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Patent Searching and Data


Title:
FILLING PORT OPENING/CLOSING MECHANISM FOR CHECK VALVE-EQUIPPED PACKAGE
Document Type and Number:
WIPO Patent Application WO/2019/221291
Kind Code:
A1
Abstract:
[Problem] To provide a filling port opening/closing mechanism which is for a check valve-equipped package and which can simply open a filling port of a check valve-equipped package for filling and close the filling port after filling without the need to employ a clip for a back holder in the filling port. [Solution] Provided is a filling port opening/closing mechanism which is for a check valve-equipped package and is characterized by being provided with: a slit-shaped opening provided on one surface of a film-like or sheet-like package; soft plates integrally joined to the upper surface of the slit-shaped opening with the slit-shaped opening therebetween; and an adhesive sealing tape which is detachably stuck to a slit portion of the soft plate on the upper surface of the slit-shaped opening.

Inventors:
HAGIHARA TADASHI (JP)
Application Number:
PCT/JP2019/019773
Publication Date:
November 21, 2019
Filing Date:
May 17, 2019
Export Citation:
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Assignee:
HAGY TECH CO LTD (JP)
International Classes:
B65D30/24; B65D33/17; F16J15/04; F16K15/14
Foreign References:
JPH0435546U1992-03-25
JPH02120948U1990-10-01
JP2009190775A2009-08-27
JP3090552U2002-12-20
Attorney, Agent or Firm:
DOBASHI Hiroshi (JP)
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