The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 20, 2010

Filed:

Apr. 29, 2008
Applicant:

Guoqiang Liang, Guangzhou, Guangdong, CN;

Inventor:

Guoqiang Liang, Guangzhou, Guangdong, CN;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 81/20 (2006.01); B65D 33/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

The plastic bag for vacuum packing provided by the present invention has embossments which space in longitudinal direction and stagger in transverse direction formed on the inner surface, and thus lots of intercommunicate channels are formed so as to eliminate the possibility to form any air pocket or internal cavity. Meanwhile, air linearly exits from the bottom to the open end, so it takes less time to evacuate the bag. Further, the bag only has one film be embossed, and thus the manufacturing process thereof is simplified and at low cost, and the bag is easy to wash. Moreover, the strength of the bag provided by the present invention is enhanced; especially the anti-avulsion capability is well improved.


Find Patent Forward Citations

Liang, Guoqiang. (2010). Plastic bag for vacuum packing (U.S. Patent No. 7757857). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7757857

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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