Method for manufacturing a sleeve, in particular for a container

Details Method for manufacturing a sleeve, in particular for a container Method for manufacturing a sleeve, in particular for a container

1984-06-25

1986-03-25

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Assembling or joining

29421R, B21D 3900, B23P 1700

Patent

active

045773866

ABSTRACT:
The method comprises winding on a mandrel M a tube 1 having a flattened cross-sectional shape so as to form a helical structure, mounting on the mandrel and the tube a sheet metal cylinder 2, injecting in the tube a fluid under pressure so as to cause the tube to assume, by expansion, the shape of a coiled tube having a circular cross-sectional shape and thereby locally deform the wall of the cylinder in the shape of a helical impression, and fixing the coiled tube to the cylinder so as to produce the sleeve. The invention applies in particular to containers for cryogenic fluids provided with coiled heating tubes in an interwall space containing a vacuum between the sleeve and the internal tank.

REFERENCES:
patent: 3030780 (1962-04-01), Loveday
patent: 3280608 (1966-10-01), Parilla
patent: 3546763 (1970-12-01), Pasternak
patent: 4061184 (1977-12-01), Radcliffe
patent: 4075264 (1978-02-01), Hayy
patent: 4379390 (1983-04-01), Bottum

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