Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ULTRASONIC-WELDING-TYPE LEAKAGE-PROOF BEVERAGE CUP COVER
Document Type and Number:
WIPO Patent Application WO/2020/233560
Kind Code:
A1
Abstract:
Provided is an ultrasonic-welding-type leakage-proof beverage cup cover, comprising a cover body (1) and a sealing cover (2). A groove (10a) is formed in a panel (10) of the cover body (1). An annular flange (11) is formed between a side wall face of the groove (10a), the panel (10) and a circumferential profile face of the cover body (1). A drinking opening (1b) is located on one side of the annular flange (11), and a leakage receiving cavity (1a) is located on the opposite side of the drinking opening (1b). An avoidance cavity (1d) is further provided between the leakage receiving cavity (1a) and the drinking opening (1b). The sealing cover (2) comprises a first cover plate (21) ultrasonically welded to an edge of an opening portion of the leakage receiving cavity (1a) and closing the leakage receiving cavity (1a), a second cover plate (22) connected to the first cover plate (21) in a turnover manner and capable of closing the avoidance cavity (1d), a third cover plate (23) extending from an end portion of the second cover plate (22) to the drinking opening (1b), and a cover plug (24).

Inventors:
YAN YIJUN (CN)
Application Number:
PCT/CN2020/091004
Publication Date:
November 26, 2020
Filing Date:
May 19, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
GLADES SUZHOU CO LTD (CN)
International Classes:
B65D51/16; B65D43/06; B65D47/08; B65D47/40
Foreign References:
CN110053864A2019-07-26
CN209441931U2019-09-27
CN108408235A2018-08-17
CN109094976A2018-12-28
CN202006952U2011-10-12
US20100301048A12010-12-02
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT AND TRADEMARK AGENCY, LTD. (CN)
Download PDF: