NZ334960A - Method of filling a capsule with fluid helium at a pressure of 30 bars - Google Patents

Method of filling a capsule with fluid helium at a pressure of 30 bars

Info

Publication number
NZ334960A
NZ334960A NZ33496099A NZ33496099A NZ334960A NZ 334960 A NZ334960 A NZ 334960A NZ 33496099 A NZ33496099 A NZ 33496099A NZ 33496099 A NZ33496099 A NZ 33496099A NZ 334960 A NZ334960 A NZ 334960A
Authority
NZ
New Zealand
Prior art keywords
neck portion
free end
filling
capsule
bars
Prior art date
Application number
NZ33496099A
Inventor
Michael Ernest Garrett
Original Assignee
Boc Group Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boc Group Plc filed Critical Boc Group Plc
Priority to NZ33496099A priority Critical patent/NZ334960A/en
Publication of NZ334960A publication Critical patent/NZ334960A/en

Links

Abstract

A method of filling a capsule having a hollow body portion and a hollow neck portion extending from it with fluid under pressure comprising the steps: a) applying in a fluid tight manner a filling cap to the free end of the neck portion initially to evacuate the hollow body portion and subsequently to fill the hollow body portion with the fluid under pressure; b) with the filling cap in place and pressure applied at least 30 bars, crimping the neck portion at a location spaced from the free end of the neck portion; c) removing the filling cap and thereby revealing the free end of the neck portion d) applying a second crimp at or immediately adjacent the free end of the neck portion; e) welding the free end to seal the capsule which can be made from aluminum or an aluminum alloy.
NZ33496099A 1999-03-31 1999-03-31 Method of filling a capsule with fluid helium at a pressure of 30 bars NZ334960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NZ33496099A NZ334960A (en) 1999-03-31 1999-03-31 Method of filling a capsule with fluid helium at a pressure of 30 bars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ33496099A NZ334960A (en) 1999-03-31 1999-03-31 Method of filling a capsule with fluid helium at a pressure of 30 bars

Publications (1)

Publication Number Publication Date
NZ334960A true NZ334960A (en) 2000-05-26

Family

ID=19927198

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ33496099A NZ334960A (en) 1999-03-31 1999-03-31 Method of filling a capsule with fluid helium at a pressure of 30 bars

Country Status (1)

Country Link
NZ (1) NZ334960A (en)

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