Sealing profile

Details Sealing profile Sealing profile

1988-08-30

1990-02-13

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428137, 428156, 428167, 428134, 428172, 428178, 428179, 428192, 428492, 52396, 52403, 277205, 277207R, 277208, 404 37, 405135, 405152, B32B 310, E21D 1100

Patent

active

049006070

ABSTRACT:
A sealing profile formed of rubber or rubber-like material is provided for sealing tunnel segments which have circumferential recesses. There is a plurality of slotted grooves running parallel in the lengthwise direction on the base side of the profile and a plurality of channels running parallel in the lengthwise direction, the number of channels being no greater than the number of slotted grooves and at least one channel being in alignment with a corresponding groove.

REFERENCES:
patent: 4199158 (1980-04-01), de Munck
patent: 4671028 (1987-06-01), Figone
patent: 4762441 (1988-08-01), Glang
patent: 4797032 (1989-01-01), Glang

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