CA935346A - Filters - Google Patents

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Publication number
CA935346A
CA935346A CA112950A CA112950A CA935346A CA 935346 A CA935346 A CA 935346A CA 112950 A CA112950 A CA 112950A CA 112950 A CA112950 A CA 112950A CA 935346 A CA935346 A CA 935346A
Authority
CA
Canada
Prior art keywords
filters
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.)
Expired
Application number
CA112950A
Other versions
CA112950S (en
Inventor
E. Levers William
H. Keith Charles
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.)
Celanese Corp
Original Assignee
Celanese Corp
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
Application filed by Celanese Corp filed Critical Celanese Corp
Application granted granted Critical
Publication of CA935346A publication Critical patent/CA935346A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/022—Applying additives to filter materials with liquid additives, e.g. application of plasticisers
CA112950A 1970-05-13 1971-05-13 Filters Expired CA935346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3674670A 1970-05-13 1970-05-13

Publications (1)

Publication Number Publication Date
CA935346A true CA935346A (en) 1973-10-16

Family

ID=21890407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112950A Expired CA935346A (en) 1970-05-13 1971-05-13 Filters

Country Status (6)

Country Link
AT (1) AT320499B (en)
CA (1) CA935346A (en)
GB (1) GB1355519A (en)
IE (1) IE35242B1 (en)
MY (1) MY7500020A (en)
PH (1) PH13601A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209591A1 (en) * 2013-05-23 2014-11-27 Hauni Maschinenbau Ag Material entry in a filter tow

Also Published As

Publication number Publication date
MY7500020A (en) 1975-12-31
GB1355519A (en) 1974-06-05
IE35242L (en) 1971-11-13
PH13601A (en) 1980-08-05
AT320499B (en) 1975-02-10
IE35242B1 (en) 1975-12-24

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