Title:
AIR NOZZLE FOR VACUUM BAG
Document Type and Number:
WIPO Patent Application WO/2020/233431
Kind Code:
A1
Abstract:
An air nozzle for a vacuum bag comprises an air nozzle main body (1) having an air hole (11). An elastic air plug (2) is provided to cover the air nozzle main body (1), thereby forming a cavity (3) therebetween. The air plug (2) comprises a first sealing portion (21) and a second sealing portion (22). The second sealing portion (22) is provided around the periphery of the first sealing portion (21). An air discharge opening (23) is arranged between the first sealing portion (21) and the second sealing portion (22). The air discharge opening (23) is in communication with the cavity (3). The first sealing portion (21) can cooperate with the air hole (11) so as to block or unblock communication between the air hole (11) and the cavity (3). The second sealing portion (22) comprises an upper surface capable of forming a snug fit with a suction nozzle of an air suction device, and a lower surface capable of sealingly fitting the nozzle main body (1). The air nozzle has a simple and reliable structure, and can form a snug fit with a suction nozzle of an air suction device.
Inventors:
PAN SHENGMING (CN)
Application Number:
PCT/CN2020/089533
Publication Date:
November 26, 2020
Filing Date:
May 11, 2020
Export Citation:
Assignee:
PAN SHENGMING (CN)
International Classes:
B65D30/24; B65D33/01
Domestic Patent References:
| WO2010056046A2 | 2010-05-20 |
Foreign References:
| CN110282238A | 2019-09-27 | |||
| TW201040084A | 2010-11-16 | |||
| CN202753614U | 2013-02-27 | |||
| US20120243807A1 | 2012-09-27 |
Attorney, Agent or Firm:
ZHONGSHAN KECHUANG PATENT AGENT CO., LTD (CN)
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