Apparatus for manufacturing deformable expansion bellows for pip

Details Apparatus for manufacturing deformable expansion bellows for pip Apparatus for manufacturing deformable expansion bellows for pip

1978-01-26

1979-12-25

Gilden, Leon

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 62, B21D 1506

Patent

active

041799100

ABSTRACT:
The manufacture of hydroforming of a deformable expansion bellows. A deformable sleeve is held on a support with an inner sleeve supported inside it to define a space into which is injected liquid under pressure. An axial force is applied to the sheath with the space pressurized to produce corrugation of the sheath so as to form a bellows.

REFERENCES:
patent: 349718 (1886-09-01), Hollerith et al.
patent: 2044710 (1936-06-01), Mantle
patent: 2887146 (1959-05-01), Heiteiman
patent: 3091280 (1963-05-01), Yowell et al.
patent: 3194041 (1965-07-01), Johnson
patent: 4065947 (1978-01-01), Mazier

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