Title:
PAPER CUP HAVING BIODEGRADABLE COATING, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/000514
Kind Code:
A1
Abstract:
The present invention relates to the technical field of paper cups, and particularly relates to a paper cup having a biodegradable coating and manufacturing method thereof, solving the technical problem of the prior art in which degradation of a paper cup coating is slow. The paper cup having a biodegradable coating comprises a body (1) and a lower portion (2). The lower portion (2) is connected to a lower end of the body (1). A space enclosed by inner surfaces of the body (1) and the lower portion (2) can contain a liquid. An upper edge of the body (1) forms an opening (11). The body (1) and lower portion (2) respectively comprise a substrate and a biodegradable material coating, and the biodegradable material coatings form the inner surfaces of the body (1) and the lower portion (2).
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Inventors:
XIAO NAN (CN)
Application Number:
PCT/CN2017/093656
Publication Date:
January 03, 2019
Filing Date:
July 20, 2017
Export Citation:
Assignee:
CHONGQING TAIBAO PAPER PRODUCTS CO LTD (CN)
International Classes:
B65D3/22; B31B50/00; B31B50/20; B32B37/12; B65D25/14; D21H19/28; D21H19/46; D21H19/84; B31B110/10
Foreign References:
| CN2841752Y | 2006-11-29 | |||
| CN205219970U | 2016-05-11 | |||
| CN202981353U | 2013-06-12 | |||
| CN206125649U | 2017-04-26 | |||
| CN205219971U | 2016-05-11 | |||
| US20090218390A1 | 2009-09-03 |
Attorney, Agent or Firm:
VALLEY OF SOFT BEIJING INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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