Plastic bag

The utility model relates to a plastic bag, in particular relates to a plastic bag with a plurality of convexes on at least one side. The utility model comprises two interconnected films, wherein the inner surface of at least one film is provided with a plurality of convexes. The convex is in the sh...

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1. Verfasser:	ZHONGTANG CHEN
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
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creator	ZHONGTANG CHEN
description	The utility model relates to a plastic bag, in particular relates to a plastic bag with a plurality of convexes on at least one side. The utility model comprises two interconnected films, wherein the inner surface of at least one film is provided with a plurality of convexes. The convex is in the shape of strip, and is extended from the mouth of the plastic bag to the bottom of the plastic bag, and the a convexes are arranged in parallel. The raised cross section can be in the shape of triangular, rectangular, square, oval or round. The space between the adjacent convexes is equivalent or unequal, when in vacuum pumping, due to the two inner surfaces are divided by a groove, the air can be discharged outside the bag smoothly along the groove, so the air can not generate a ring inside the plastic bag, thereby the vacuum degree of the packaging bag is improved obviously, and the gap is formed between two raised films, thereby the two films can not cling with each other, and the user can open the bag in a more convenient way.
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The convex is in the shape of strip, and is extended from the mouth of the plastic bag to the bottom of the plastic bag, and the a convexes are arranged in parallel. The raised cross section can be in the shape of triangular, rectangular, square, oval or round. The space between the adjacent convexes is equivalent or unequal, when in vacuum pumping, due to the two inner surfaces are divided by a groove, the air can be discharged outside the bag smoothly along the groove, so the air can not generate a ring inside the plastic bag, thereby the vacuum degree of the packaging bag is improved obviously, and the gap is formed between two raised films, thereby the two films can not cling with each other, and the user can open the bag in a more convenient way.</description><language>eng</language><subject>ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS ; CONVEYING ; HANDLING THIN OR FILAMENTARY MATERIAL ; PACKAGES ; PACKAGING ELEMENTS ; PACKING ; PERFORMING OPERATIONS ; STORING ; TRANSPORTING</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071031&DB=EPODOC&CC=CN&NR=200967599Y$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071031&DB=EPODOC&CC=CN&NR=200967599Y$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHONGTANG CHEN</creatorcontrib><title>Plastic bag</title><description>The utility model relates to a plastic bag, in particular relates to a plastic bag with a plurality of convexes on at least one side. 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language	eng
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source	esp@cenet
subjects	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TRANSPORTING
title	Plastic bag
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