Low pressure and vacuum hose

Details Low pressure and vacuum hose Low pressure and vacuum hose

1994-07-13

1995-08-22

Scherbel, David A.

Pipes and tubular conduits

Spirally seamed

138122, 138129, 138136, F16L 1104

Patent

active

054431000

ABSTRACT:
A hose for low pressure and vacuum applications is provided by a helically wound strip of resilient material. The leading and trailing posts of the helically wound strip interlock with one another and are provided with projections which define a space for confining a bead of bonding material. The profile of the hose configuration prevents the bonding material from encroaching areas of flexation in the hose. The helically wound hose has a close pitch and exhibits good hoop strength, flexibility and bonding characteristics.

REFERENCES:
patent: 2154942 (1939-04-01), Karmazin
patent: 3199541 (1965-08-01), Richitelli
patent: 3542078 (1970-11-01), Lykle
patent: 4167645 (1979-09-01), Carey
patent: 4224965 (1980-09-01), Suchor
patent: 4291728 (1981-09-01), Cothran
patent: 4471813 (1984-09-01), Cothran
patent: 4719945 (1988-01-01), Richards et al.
patent: 4862924 (1989-09-01), Kanao
patent: 4928734 (1990-05-01), Richards et al.
patent: 4928735 (1990-05-01), Richards et al.

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