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Patent Searching and Data


Title:
CYLINDER UNSEALING DEVICE, AND CYLINDER UNSEALING METHOD
Document Type and Number:
Japanese Patent JP2013204756
Kind Code:
A
Abstract:

To provide a cylinder unsealing device capable of dispensing with special equipment for storage without having any restriction on handling.

A cylinder unsealing device includes a cylinder for storing a gas, a sealing plate for sealing an opening of the cylinder, a cutter for drilling a hole through the sealing plate, a spring compressed and arranged at an end of the cutter, a fixing member coming into contact with the cutter and fixing the cutter at a location separate from the sealing plate, and a holding member for holding the fixing member. The fixing member is removed from the cutter by changing a shape of the holding member, and the cylinder is unsealed by piercing the cutter to the sealing plate by means of a stress of the compressed spring.


Inventors:
AIZAWA TETSUO
Application Number:
JP2012075976A
Publication Date:
October 07, 2013
Filing Date:
March 29, 2012
Export Citation:
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Assignee:
NEC CORP
International Classes:
F17C7/00; B63B22/22
Domestic Patent References:
JPH1095392A1998-04-14
JP2002193170A2002-07-10
JP2004008750A2004-01-15
JPH11223300A1999-08-17
JPH1095392A1998-04-14
JP2002193170A2002-07-10
JP2004008750A2004-01-15
Attorney, Agent or Firm:
Masahiko Desk
Naoki Shimosaka