F - Mech Eng,Light,Heat,Weapons – 17 – C
Patent
F - Mech Eng,Light,Heat,Weapons
17
C
F17C 1/10 (2006.01) B23K 1/18 (2006.01) B23K 15/00 (2006.01) F17C 13/00 (2006.01) F17C 13/08 (2006.01)
Patent
CA 2105987
(57) Abstract A double-walled pressure vessel comprises a thin-walled inner vessel (5, 6, 7, 8) mode or a dense, corrosion-resistant material, in particular special steel, and a pressure- tight outer vessel (1) which has a shell (11), a transition part (12), a neck part (13) and a base part (12). The base part (2) and/or the transition part (12) with the neck part (13) are/is arranged inside a cylindrical or slightly conical end region of the shell (11) The base part (2) or the transition part (12) has an outer collar (4) which runs, at least in sec- tions, approximately parallel to the end region of the shell (11), to which it Is collected by a structural connection (9). It is particularly advantageous if the structural connec- tion is a welded (9) or hard-soldered joint and the joint is located at a distance (a) from the inner base (5) considerably greater than the wall thickness (d) of the shell (1), prefer- ably greater than twice the wall thickness (d). The outer vessel (1) can be made of highly tempered steel, e g, 34CrMo4, without sustaining damage. The invention makes it pos- sible to manufacture comparatively light pressure vessels, e g, for high-purity gases
Cyron Theodor
Smart & Biggar
LandOfFree
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