Title:
【発明の名称】密閉容器用カバー及び密閉容器用カバーに安全ガス抜きを形成する方法
Document Type and Number:
Japanese Patent JP2649159
Kind Code:
B2
Abstract:
A method of making a safety vent in a cover (2) for a hermetically sealed container and a product comprising a unique container cover for a hermetically sealed container including printing a material strip with a masking resist pattern having an uncovered channel (7) area corresponding to a safety vent area for the container cover, etching the uncovered area to a preselected material thickness, and press forming (7l) the etched area to provide a safety vent membrane in the cover capable of withstanding a preselected pressure before rupture.
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Inventors:
RARII JIIN BAAROOZU
EDOWAADO YUUJIN UIRUSON
EDOWAADO YUUJIN UIRUSON
Application Number:
JP21264687A
Publication Date:
September 03, 1997
Filing Date:
August 26, 1987
Export Citation:
Assignee:
EMASON EREKUTORITSUKU CO
International Classes:
B65D83/14; F16J13/24; F16K3/28; F16K11/02; F16K17/16; F17C13/00; F17C13/04; H01G9/12; H01M2/12; (IPC1-7): F17C13/04
Domestic Patent References:
| JP60188699A |
Attorney, Agent or Firm:
Akashi Masatake