HUE031297T2 - Nedvszívó magot és/vagy gyûjtõ és eloszlató réteget tartalmazó, egységes nedvszívó struktúrák nedvszívó cikkekhez - Google Patents

Nedvszívó magot és/vagy gyûjtõ és eloszlató réteget tartalmazó, egységes nedvszívó struktúrák nedvszívó cikkekhez Download PDF

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Publication number
HUE031297T2
HUE031297T2 HUE12713754A HUE12713754A HUE031297T2 HU E031297 T2 HUE031297 T2 HU E031297T2 HU E12713754 A HUE12713754 A HU E12713754A HU E12713754 A HUE12713754 A HU E12713754A HU E031297 T2 HUE031297 T2 HU E031297T2
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HU
Hungary
Prior art keywords
absorbent
layer
substrate
super
particles
Prior art date
Application number
HUE12713754A
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English (en)
Inventor
Dany Michiels
Tanika Degrande
Original Assignee
Twe Meulebeke
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48087616&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HUE031297(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Twe Meulebeke filed Critical Twe Meulebeke
Publication of HUE031297T2 publication Critical patent/HUE031297T2/hu

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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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Claims (5)

  1. NEDVSZÍVÓ MAGOT ÈS/VAGY GYŰJTŐ ÉS ELOSZLATÓ RÉTEGET TARTALMAZÓ., EGYSÉGES NEDVSZÍVÓ STRUKTÚRÁK NEDVSZÍVÓ CIKKEKHEZ SZABADALMI IGÉNY PONTOK
    1. Egységes nedvszívó struktúra, amely magában foglal egy állandó folyadék-tartó -képességű nedvszívó magot (S), valamint egy ideiglenes főivadéktartó-képességü gyújtó 114) és eloszlató (16) réteget, amely nedvszívó mag (5) vagy a gyűjtő (14) és eloszlató (IS) réteg magában foglal legalább egy nemszött, szálas hordozó réteget (23), amelynek hézagléríagata alkalmas arra, bogy szuper-nedvszívó szemcsék (2 b) áthatoljanak rajta, amely szuper nedvszívó szemcsék (21) rendelkeznek egy méretelosaiassal, és a nemszőtt, szálas hordozó rétegen (23) bel ói szemcseméret eloszlási gradiensek szerint vannak eloszlatva a nedvszívó mag (3) vagy a gyűjtő (JA) ős eloszlató (16) rétegek mélységének iránya vagy z vénye mentén, azzal jellemezve, hogy a szuper-nedvszívó szemcsék legalább 9Qke-ár;ek a szemcseméret átmérője 45-től 850 pm-ig terjed, a nedvszívó struktúra 4 tómegvo-nái kevesebb bolyhos anyagot tartalmaz, továbbá be van vonva egy fedő réteggel (22), és a kisebb méretű szuper-nedvszívó szemcsék (21) z irányban át tudnak hatolni a hordozó (23) alsó részébe, míg a nagyobb méretű szuper-nedvszívó szemcsék (21) a hordozó (23) külső részén vagy felületén maradnak.
  2. 2. Az 1, igénypont szenrvb nedvszívó struktúra, azzal jellemezve, bogy a szuper-, nedvszívó szemcsék (21) méretoloszlása 4 5-tői BSD μ meg terjed. :3> Az I, vagy a 2. igénypont szerinti nedvszívó struktúra, azzal jellemezve, hogy a nemsz.őtt szálas hordozó réteg (23) hézagtérfogata a hordozó (23) felületének nr'-ére számítva 0,l-től 20 000 cm Mg terjed,
  3. 4, Az előző Igénypontok bármelyike szerinti nedvszívó struktúra, azzal |eliemézve, hogy a nemszött, szálas hordozó réteg (23) egy többrétegű hordozó (23). 5, A 4. igénypont szemig nedvszívó struktúra, azzal jellemezve, hogy á nemszaft, szálas hordozó réteg (23) egy hármas réteg, amely magában foglak - egy felső gyűjtő (14) és eloszlató (16) réteget; egy közbenső réteget, amely közbenső réteg hézágtérfóiafáhak értéké a hordozó (23) m'-ére számítva !.0-tő! 600 cm Mg terjed; és - egy alsó réteget, amelynek hézagtédogata a homiozo (23) nmére számítva tűtől 8-GG c.m-5-Ig terjed,
  4. 6, Az előző igénypontok bármelyike szennt; nedvszívó struktúra, azzal .is He mez ve, hogy (;) a szuper-nedvszívó szemcsék (2.1) a nedvszívó struktúra hosszanti mérete vagy X menye menten tekinteti pfo'üjái'oí függően vannak elosztva ; és/vagy 00 a szuper-nedvszívó szemcsék (21 ) a nedvszívó struktúra oldalsó iránya vagy y iránya mentén tekintett profié tói függően vannak elosztva, /. Az előző igénypontok bármelyike szerint, nedvszívó struktúra, azzal jellemezve, hogy e szuper-nedvszivó szemcsék (21) a rtemsrfK, szeles hordozó rétegen (23) egymástól elkülönítve ktsiönáiió zónákban vannak eloszlatva, ami elősegíti a (olvadéknak a nedvszívó struktúra y iránya és/vagy y sránya mentén töri## áramlását és elvezetését. ti Eljárás egy, az 2-7. igénypontok bármelyike szerinti nedvszívó struktúra előállítására, amely eljárás az alábbi lépéseket foglalja magában: * iegöngyöijuk a nemsz.ött, szálas hordozót. (28); * befedjük ~ legalább részben ~ a nemszőtt, szaias hordozót :23} á mupé?*· nedvszívó szemcsékkel (21), * váltakozó aramé teret alkalmazunk a szuper-nedvszívói szemcsék (21.) homogén eloszlásának biztosítása céhéből, » legongyólunk egy magfedo mteganyagot. (22). » ragasztót viszünk fel a magfedő réfeganyag (22) belső oldalára éé/vagy á nemszöct, szálas hordozó (23) felületére, * befedjük a nemszőtt, szálas hordozót (23) a magfedo réteganyaggal (22), * nyomással rögzítjük a ragasztást. 9. A 8. igénypont szerinti eljárás, azzal jellemezve, hogy porszórást vagy vákuumtechnikával dobokóöi álló elrendezést alkalmazunk abban lépésben, amikor befedjük a nemszőtt, szálas hordozó (23) felületét a szuper'nedvszívó szemcsékkel (21).
  5. 10. Nedvszívó cikk, amely magában foglal legalább egy, az 1-7. igénypontok bármelyike szerinti nedvszívó struktúrát. Π A 10. igénypont szennil nedvszívó okk, amely magában foglal: (a) egy folyadék-áteresztő felső lapot:. (bj egy folyadékot át nem eresztő hátlapot, Cc) egy, az 1-?. igénypontok bármelyike szerinti nedvszívó strutó-fát,.Miéíy.(«} is (b) közé van helyezve. 12, A 11. igénypont szerinti nedvszívó cikk, amely további gyújtó (2) és eloszlató (3) rétég estet foglal magaban,. amelyek a nedvszívó· struktúra tetején vannak elhelyezve: vagy magában foglal egy további nedvszívó magot,, amely a nedvszívó struktúra alá van helyezve. .13, A 10-1.2. igénypontok bármelyike szerint! nedvszívó cikk, azzal jellemezve, hogy a cikk pelenka, könnyű vagy nenéz iPKonunencsa betét, nős egészségügy: betét, vékony betet és sebfedő lap által alkotott csoportból van kiválasztva. 14. a 13. igénypont szerinti nedvszívó cikk, amelyben: (Π a nedvszívó cikk egy pelenka vagy könnyű és/vagy ne.néz snkoní-nenoa belép, amely O.l-lOöö g/m;' szuper-nedvszívó szemcsét foglal magában; vagy (h) a nedvszívó cikk egy nol egészségügy! betét, vagy vékony betét, amely 0,1-iöOö g/m '· sz uper'nedvszívó szemcsét foglal magában ; vagy (iii) a nedvszívó cikk egy sebfedő iapf amely 0,1-1.000 g/W szuper-nedvszívó szemcséi fbgíai magéban.
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