Device for sealing or reducing holes, and connecting holes...

Seal for a joint or juncture – Process of static sealing – Pipe – conduit – or cable

Reexamination Certificate

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Details

C277S312000, C277S602000, C277S606000

Reexamination Certificate

active

06863276

ABSTRACT:
A method and device for sealing or reducing holes or their connection with a tube end or similar fitting is characterized by at least one element with disc shaped surface with a rim smaller than the diameter of the hole to receive the element worth cone or some shaped surface with the wall of the drill hole under axial pressure, possibly with an additional tumbling action, and at least a temporary support of the element, the element of the device being placed into the drill hole and then with axial pressure from outside, e.g. by a punch, possible with an additional tumbling action, at least a radial shift of the disc shaped surface of the element and a press fit with the wall of the drill hole is achieved.

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patent: 5203647 (1993-04-01), Blackwell
patent: 5226683 (1993-07-01), Julien et al.

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