Bellows for connecting hoses or apparatus for operation in a vac

Details Bellows for connecting hoses or apparatus for operation in a vac Bellows for connecting hoses or apparatus for operation in a vac

1995-02-17

1997-02-11

Nicholson, Eric K.

Pipe joints or couplings

Flexible joint, rigid members

Bellows

92 42, 92 47, 285277, 285298, F16J 300, F01B 1900, F16L 2711

Patent

active

056013167

ABSTRACT:
A bellows for connecting hoses or apparatus operating in a partial vacuum including a corrugated tube reinforced on the outside by rings at the troughs of the corrugations. The tube further includes toric reinforcing rings on the inside of the crests of the corrugations, the length of the rings being adjustable so as to adapt to the deformation of the corrugations in service.

REFERENCES:
patent: 1382081 (1921-06-01), Heiliger
patent: 1561065 (1925-11-01), Eggleston
patent: 1661131 (1928-02-01), Duffield
patent: 2886885 (1959-05-01), Reid, Jr.
patent: 2920656 (1960-01-01), Bertolet
patent: 2930116 (1960-03-01), Minges
patent: 3530770 (1970-09-01), McMurry
patent: 4958860 (1990-09-01), Akitsu
patent: 4983104 (1991-01-01), Kingsford et al.
patent: 5317955 (1994-06-01), Raser
patent: 5421241 (1995-06-01), Terral

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