Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
UPPER AND LOWER FILMS INTEGRATED PACKAGING BAG, AND DEVICE AND METHOD FOR PROCESSING SAME
Document Type and Number:
WIPO Patent Application WO/2019/210609
Kind Code:
A1
Abstract:
Provided is an upper and lower films integrated packaging bag. The bag body structure of the packaging bag comprises an upper film (10), a lower film (11), a bottom sheet (12), and accordion laterals (13), wherein the upper film (10), the lower film (11) and the bottom sheet (12) are of an integrated structure; and the bottom sheet (12) is located between the upper film (10) and the lower film (11). The upper film (10), the lower film (11) and the bottom sheet (12) are of an integrated structure, thereby needing no cutting, reducing cutting processes, and reducing film material loss. In the integrated structure, there is no secondary packaging between the upper film (10) and the bottom sheet (12) and between the lower film (11) and the bottom sheet (12), thus faciliating the improvement of the strength of the bag body and prolonging the service life thereof. The technical apparatus has a simple structure, is easy to operate, and is highly applicable.

Inventors:
WANG, Jian (No. 61, Lane 2329Jiasong Middle Road, Huaxin Town, Qingpu District, Shanghai 0, 201700, CN)
Application Number:
CN2018/101269
Publication Date:
November 07, 2019
Filing Date:
August 20, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHANGHAI ZHOUTAI LIGHT INDUSTRY MACHINERY MANUFACTURING CO., LTD (WEI Zhang, No. 61 Lane 2329,Jiasong Middle Road, Huaxin Town, Qingpu District, Shanghai 0, 201700, CN)
International Classes:
B31B70/00; B31B70/02; B31B70/26; B65D30/10
Foreign References:
JP2015105099A2015-06-08
JP2001270009A2001-10-02
JP2017064924A2017-04-06
CN101991261A2011-03-30
CN206633506U2017-11-14
CN202244347U2012-05-30
CN204036934U2014-12-24
CN104669684A2015-06-03
Attorney, Agent or Firm:
SHANGHAI RONGHUI PATENT AGENCY (YU Xiaojing, Room 801 No. 2600, Xietu Road, Shanghai 0, 200030, CN)
Download PDF: