EP 0528721 A3 19930922 - RECLOSABLE PLASTIC BAGS AND METHOD OF MAKING SAME UTILIZING DISCONTINUOUS ZIPPER STRIP
Title (en)
RECLOSABLE PLASTIC BAGS AND METHOD OF MAKING SAME UTILIZING DISCONTINUOUS ZIPPER STRIP
Publication
Application
Priority
US 74320091 A 19910809
Abstract (en)
[origin: EP0528721A2] A reclosable plastic bag is provided with a zipper assembly having zipper strips mounted on a carrier tape. The carrier tape extends beyond the zipper strips and side seals for the bag extend through the sections of the carrier tape which extend beyond the zippers. A method for producing such bags is also disclosed. <IMAGE>
IPC 1-7
IPC 8 full level
B31B 19/90 (2006.01); B65D 33/25 (2006.01)
CPC (source: EP)
B65B 9/20 (2013.01); B65B 61/188 (2013.01); B65D 33/2525 (2013.01); B65D 33/2533 (2013.01); B65D 33/2583 (2013.01); B31B 70/8132 (2017.07)
Citation (search report)
- [XD] US 5024537 A 19910618 - TILMAN PAUL A [US]
- [AD] US 4894975 A 19900123 - AUSNIT STEVEN [US]
- [A] US 3532571 A 19701006 - AUSNIT STEVEN
- [A] GB 1186733 A 19700402 - WINDMOELLER & HOELSCHER [DE]
- [AP] EP 0450741 A1 19911009 - COLGATE PALMOLIVE CO [US]
- [A] EP 0423456 A1 19910424 - ZIP PAK INC [US]
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI NL
DOCDB simple family (publication)
EP 0528721 A2 19930224; EP 0528721 A3 19930922; CA 2070937 A1 19930210; CA 2070937 C 19980915
DOCDB simple family (application)
EP 92402252 A 19920807; CA 2070937 A 19920610