Sealing system for annular space

Japanese Patent JP6290213

B2

A system for sealing an annular space between an inner wall of a tubular opening and one tube, cable or duct which extends through the tubular opening in the axial direction thereof, wherein the system comprises at least two segmental parts (1) for forming a sealing plug in the annular space, each segmental part is made of an elastic material, each segmental part being provided with a small-diameter-end (2) for facilitating insertion of the plug in the annular space and a large-diameter-end (3) for positioning at the end of the tubular opening from which the segmental parts are inserted into the annular space, each segmental part further having a number of outer ribs (4) spaced apart in a longitudinal direction for realizing, in use, circumferentially extending outer contact surfaces between the sealing plug and the inner wall of the opening, each segmental part further being provided with a number of inner ribs (6) spaced apart in the longitudinal direction for realizing, in use, circumferentially extending inner contact surfaces which between the sealing plug and the tube, cable or duct.

Bale, Johannes Alfred

JP2015529026A

March 07, 2018

August 29, 2013

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Veil Engineering BV

H01R13/52; F16L5/02; F16L5/10

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DE2203370A1
WO2011147490A1

Tadashige Ito
Tadahiko Ito
Shinsuke Onuki

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