EP4297950A1 - Two-shot molded transferred part with film decoration - Google Patents

Two-shot molded transferred part with film decoration

Info

Publication number
EP4297950A1
EP4297950A1 EP22709888.6A EP22709888A EP4297950A1 EP 4297950 A1 EP4297950 A1 EP 4297950A1 EP 22709888 A EP22709888 A EP 22709888A EP 4297950 A1 EP4297950 A1 EP 4297950A1
Authority
EP
European Patent Office
Prior art keywords
injection molding
film layer
shot
transferred part
transferred
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22709888.6A
Other languages
German (de)
French (fr)
Inventor
Pablo Baamonde Lorenzo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SRG Global Liria SL
Original Assignee
SRG Global Liria SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES202130152A external-priority patent/ES2922329A1/en
Application filed by SRG Global Liria SL filed Critical SRG Global Liria SL
Publication of EP4297950A1 publication Critical patent/EP4297950A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14811—Multilayered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1643—Making multilayered or multicoloured articles having a "sandwich" structure from at least three different materials or with at least four layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C2045/1682—Making multilayered or multicoloured articles preventing defects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2655—Means for adjusting the radial dimension of the mould cavity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0025—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent

Definitions

  • Multi-shot injection molding e.g., two-shot, or 2K injection molding
  • 2K injection molding can be used to form decorative trims and the like for automotive applications.
  • film decorations and other processed can be used.
  • a light detection and ranging (LIDAR) device One non-limiting example of such an automotive application is a light detection and ranging (LIDAR) device.
  • LIDAR light detection and ranging
  • Conventional processes involve forming a plastic part (e.g., polycarbonate, or PC) and then applying paint or other materials in subsequent steps. These are relatively complex and costly by not being optimized.
  • conventional metallic finish LIDAR devices do work for their intended purpose, there remains a desire for improvement in the relevant art.
  • a method for multi-shot injection molding of a transferred part with film decoration comprises performing a first injection molding shot to form an opaque plastic portion and a protective film layer that collectively form a transferred part defining one or more apertures, and performing a second injection molding shot including the transferred part to form a transparent plastic portion on an A-side of the transferred part and a metallic film layer on a 13- side of the transferred part.
  • the part comprises an opaque plastic portion and a protective film layer that collectively form the transferred part defining one or more apertures, a transparent plastic portion on an A-side of the transferred part, and a metallic film layer on a B-side of the transferred part.
  • FIGS. 1A-1 C illustrate example improved two-shot (2K) injection molding and film transfer processes according to some embodiments of the present disclosure.
  • FIGS. 2A-2B illustrate example decorative parts or designs that could be formed utilizing the improved 2K injection molding and file transfer processes according to some implementations of the present application.
  • an improved two-shot (2K) injection molding and film transfer process is presented. While 2K injection molding is specifically discussed herein, it will be appreciated that there could be three or more injection molding shots for more complex designs.
  • the problem with other decorations techniques is the accuracy of the processes that could be optimized via the process of the present disclosure.
  • Alternative solutions for decoration are other combination of processes with more steps to get the same appearance, such as (1 ) PC plus paint on B-side and laser etching on B-side to remove paint in areas to be transparent, (2) PC plus pad printing, and (3) PC plus in-mold labeling (IML) or in-mold decorating (IMD), which refers to the process of decorating or labeling injection molded plastic parts or components during the plastic injection molding cycle.
  • IML in-mold labeling
  • IMD in-mold decorating
  • FIGS. 1 A-1 B example process or flow diagrams of the improved injection molding and film transfer processes according to some embodiments of the present disclosure is illustrated.
  • the improved process of the present disclosure provides for full decoration of an injected molded part done in an injection molding machine (IMM) from the B-side.
  • IMM injection molding machine
  • Process optimization is performed to reduce the number of steps to get the injected molded part complete decorated.
  • 2K injected molding can include one or both shots being formed of a clear material, with decorative films applied for first and second stages. Prior to the solution, parts were 2K injected molded parts without decoration from the B-side.
  • FIGS. 1 B-1 C specifically illustrate an alternate process or flow diagram where the injection tool has movable inserts to adjust the first injection stage.
  • FIGS. 2A-2B also illustrate example decorative parts or designs that could be formed utilizing the improved 2K injection molding and file transfer processes according to some implementations of the present application. It will be appreciated that these are merely examples for illustrative purposes and should not limit the applicability of the improved 2K injection molding processes of the present disclosure.
  • first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as “first,” “second,” and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed herein could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

A method of for multi-shot injection molding of a transferred part with film decoration includes performing a first injection molding shot to form an opaque plastic portion and a protective film layer that collectively form a transferred part defining one or more apertures, and performing a second injection molding shot including the transferred part to form a transparent plastic portion on an A-side of the transferred part and a metallic film layer on a B-side of the transferred part. A multi-shot injection molded transferred part with film decoration includes an opaque plastic portion and a protective film layer that collectively form the transferred part defining one or more apertures, a transparent plastic portion on an A-side of the transferred part; and a metallic film layer on a B-side of the transferred part.

Description

TWO-SHOT MOLDED TRANSFERRED PART WITH FILM DECORATION
CROSS-REFERENCE TO RELATED APPLICATION(S)
[0001] The present application claims the benefit of Spanish Application Number P202130152, filed on February 23, 2021, and United States Application Number 17/677,135, filed on February 22, 2022. The disclosures of the above- identified applications are incorporated herein by reference in their entirety.
FIELD
[0002] The present application relates to a process for two-shot (2K) injection molding of a transferred part with film decoration.
BACKGROUND
[0003] Multi-shot injection molding (e.g., two-shot, or 2K injection molding) can be used to form decorative trims and the like for automotive applications. In order to provide a bright or metallic-like (e.g., chrome-like) finish, film decorations and other processed can be used. One non-limiting example of such an automotive application is a light detection and ranging (LIDAR) device. Conventional processes involve forming a plastic part (e.g., polycarbonate, or PC) and then applying paint or other materials in subsequent steps. These are relatively complex and costly by not being optimized. Thus, while conventional metallic finish LIDAR devices do work for their intended purpose, there remains a desire for improvement in the relevant art.
SUMMARY
[0004] According to one aspect of the present disclosure, a method for multi-shot injection molding of a transferred part with film decoration is presented. In one exemplary implementation, the method comprises performing a first injection molding shot to form an opaque plastic portion and a protective film layer that collectively form a transferred part defining one or more apertures, and performing a second injection molding shot including the transferred part to form a transparent plastic portion on an A-side of the transferred part and a metallic film layer on a 13- side of the transferred part.
[0005] In some implementations, the second injection molding shot is laterally adjustable such that the one or more apertures are arranged in desired positions. In some implementations, the lateral adjustability is achievable using movable inserts within a mold cavity. In some implementations, the lateral adjustability is achievable to compensate for shrinking. In some implementations, the opaque and transparent portions are each formed of polycarbonate (PC). In some implementations, the protective film layer is a colored film layer. In some implementations, the multi-shot injection molding comprises only two shots. In some implementations, the multi-shot injection molding comprises three or more shots. [0006] According to another aspect of the present disclosure, a multi-shot injection molded transferred part with film decoration is presented. In one exemplary implementation, the part comprises an opaque plastic portion and a protective film layer that collectively form the transferred part defining one or more apertures, a transparent plastic portion on an A-side of the transferred part, and a metallic film layer on a B-side of the transferred part.
[0007] In some implementations, the transparent plastic portion and the metallic film layer are formed via laterally adjustment such that the one or more apertures are arranged in desired positions. In some implementations, the lateral adjustability is achievable using movable inserts within a mold cavity. In some implementations, the lateral adjustability is achievable to compensate for shrinking. In some implementations, the opaque and transparent portions are each formed of polycarbonate (PC). In some implementations, the protective film layer is a colored film layer. In some implementations, the multi-shot injection molding process to form the part comprises only two shots. In some implementations, the multi-shot injection molding process to form the part comprises three or more shots.
[0008] Further areas of applicability of the teachings of the present disclosure will become apparent from the detailed description, claims and the drawings provided hereinafter, wherein like reference numerals refer to like features throughout the several views of the drawings. It should be understood that the detailed description, including disclosed embodiments and drawings referenced therein, are merely exemplary in nature intended for purposes of illustration only and are not intended to limit the scope of the present disclosure, its application or uses. Thus, variations that do not depart from the substance of the present disclosure are intended to be within the scope of the present disclosure.
BRIEF DESCRIPTION OF THE DRAWINGS
[0009] FIGS. 1A-1 C illustrate example improved two-shot (2K) injection molding and film transfer processes according to some embodiments of the present disclosure; and
[0010] FIGS. 2A-2B illustrate example decorative parts or designs that could be formed utilizing the improved 2K injection molding and file transfer processes according to some implementations of the present application.
DETAILED DESCRIPTION
[0011] According to some implementations of the present disclosure, an improved two-shot (2K) injection molding and film transfer process is presented. While 2K injection molding is specifically discussed herein, it will be appreciated that there could be three or more injection molding shots for more complex designs. As previously discussed, the problem with other decorations techniques is the accuracy of the processes that could be optimized via the process of the present disclosure. Alternative solutions for decoration are other combination of processes with more steps to get the same appearance, such as (1 ) PC plus paint on B-side and laser etching on B-side to remove paint in areas to be transparent, (2) PC plus pad printing, and (3) PC plus in-mold labeling (IML) or in-mold decorating (IMD), which refers to the process of decorating or labeling injection molded plastic parts or components during the plastic injection molding cycle. When the mold is closed, plastic resin is injected into the mold, encapsulating the label permanently within the finished part.
[0012] Referring now to FIGS. 1 A-1 B, example process or flow diagrams of the improved injection molding and film transfer processes according to some embodiments of the present disclosure is illustrated. The improved process of the present disclosure provides for full decoration of an injected molded part done in an injection molding machine (IMM) from the B-side. Process optimization is performed to reduce the number of steps to get the injected molded part complete decorated. 2K injected molding can include one or both shots being formed of a clear material, with decorative films applied for first and second stages. Prior to the solution, parts were 2K injected molded parts without decoration from the B-side.
[0013] One key aspect is the film being used in the first injection phase to decorate and/or protect washout while injecting clear material on top of black in second phase. More specifically, the first film decorates and protects films material and the second film decorates though the apertures or holes on the first injected part that is transferred to second phase. In the second phase, the film is key for this process to work in combination of part geometry. As shown, the process operates as a combination of transparent polycarbonate with other thermoplastic plus films to have a decoration done on B side. As previously discussed, conventional 2K injection molding processes already exist in the industry for many applications, but not IML from B side showing the film only through first injected part transferred to second phase. As a result, this process provides for complexity reduction doing all decoration processes in the IMM during the injection cycle.
[0014] FIGS. 1 B-1 C specifically illustrate an alternate process or flow diagram where the injection tool has movable inserts to adjust the first injection stage. FIGS. 2A-2B also illustrate example decorative parts or designs that could be formed utilizing the improved 2K injection molding and file transfer processes according to some implementations of the present application. It will be appreciated that these are merely examples for illustrative purposes and should not limit the applicability of the improved 2K injection molding processes of the present disclosure.
[0015] Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed herein could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
[0016] It should also be understood that the mixing and matching of features, elements, methodologies and/or functions between various examples may be expressly contemplated herein so that one skilled in the art would appreciate from the present teachings that features, elements and/or functions of one example may be incorporated into another example as appropriate, unless described otherwise above.

Claims

CLAIMS What is claimed is:
1. A method for multi-shot injection molding of a transferred part with film decoration, the method comprising: performing a first injection molding shot to form an opaque plastic portion and a protective film layer that collectively form a transferred part defining one or more apertures; and performing a second injection molding shot including the transferred part to form a transparent plastic portion on an A-side of the transferred part and a metallic film layer on a B-side of the transferred part.
2. The method of claim 1 , wherein the second injection molding shot is laterally adjustable such that the one or more apertures are arranged in desired positions.
3. The method of claim 2, wherein the lateral adjustability is achievable using movable inserts within a mold cavity.
4. The method of claim 2, wherein the lateral adjustability is achievable to compensate for shrinking.
5. The method of claim 1, wherein the opaque and transparent portions are each formed of polycarbonate (PC).
6. The method of claim 5, wherein the protective film layer is a colored film layer.
7. The method of claim 1, wherein the multi-shot injection molding comprises only two shots.
8. The method of claim 1, wherein the multi-shot injection molding comprises three or more shots.
9. A multi-shot injection molded transferred part with film decoration, the part comprising: an opaque plastic portion and a protective film layer that collectively form the transferred part defining one or more apertures; a transparent plastic portion on an A-side of the transferred part; and a metallic film layer on a B-side of the transferred part.
10. The part of claim 9, transparent plastic portion and the metallic film layer are formed via laterally adjustment such that the one or more apertures are arranged in desired positions.
11. The part of claim 10, wherein the lateral adjustability is achievable using movable inserts within a mold cavity.
12. The part of claim 10, wherein the lateral adjustability is achievable to compensate for shrinking.
13. The part of claim 9, wherein the opaque and transparent portions are each formed of polycarbonate (PC).
14. The part of claim 13, wherein the protective film layer is a colored film layer.
15. The part of claim 9, wherein the multi-shot injection molding process to form the part comprises only two shots.
16. The part of claim 9, wherein the multi-shot injection molding process to form the part comprises three or more shots.
EP22709888.6A 2021-02-23 2022-02-23 Two-shot molded transferred part with film decoration Pending EP4297950A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES202130152A ES2922329A1 (en) 2021-02-23 2021-02-23 METHOD FOR MULTIPLES INJECTION MOLDING A PIECE TRANSFERIED WITH MOVIE DECORATION AND MOLDED MOLDED PIECE OF MULTIPLES DECORATION OF FILM DECORATION (Machine-translation by Google Translate, not legally binding)
US17/677,135 US20220266487A1 (en) 2021-02-23 2022-02-22 Two-shot molded transferred part with film decoration
PCT/US2022/017427 WO2022182701A1 (en) 2021-02-23 2022-02-23 Two-shot molded transferred part with film decoration

Publications (1)

Publication Number Publication Date
EP4297950A1 true EP4297950A1 (en) 2024-01-03

Family

ID=80735930

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22709888.6A Pending EP4297950A1 (en) 2021-02-23 2022-02-23 Two-shot molded transferred part with film decoration

Country Status (2)

Country Link
EP (1) EP4297950A1 (en)
WO (1) WO2022182701A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9399337B2 (en) * 2013-02-26 2016-07-26 Curnutt Products, Llc Polymer sealed in-mold decoration and method of manufacture
WO2016008790A1 (en) * 2014-07-17 2016-01-21 Saint-Gobain Glass France Method for producing a plastic vehicle part

Also Published As

Publication number Publication date
WO2022182701A1 (en) 2022-09-01

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