Patching device and method

Details Patching device and method Patching device and method

1998-07-23

2000-04-04

Safavi, Michael

Static structures (e.g., buildings)

Processes

Requiring soil work

2940209, 525145, E04G 2302

Patent

active

060446137

ABSTRACT:
A patching device suitable for use in the repair of a hollow structure which structure has a distal panel disposed from a proximal repair region. The patching device has a stem possessing a plurality of protrusions, and a collapsible plug comprising a central ring containing an axial opening to enclose the stem, and a locking hub to lock or tighten the plug against the proximal repair region. A plurality of flexible ribs extend from the central ring to the periphery of the plug. The plug has optional webs extending between adjacent ribs.

REFERENCES:
patent: 3690084 (1972-09-01), Leblanc
patent: 3936988 (1976-02-01), Miceli
patent: 3999347 (1976-12-01), Devlin
patent: 4075809 (1978-02-01), Sirkin
patent: 4100712 (1978-07-01), Hyman
patent: 4116106 (1978-09-01), Barbour
patent: 4848056 (1989-07-01), Kelly
patent: 5117605 (1992-06-01), Waldbeiser
patent: 5269114 (1993-12-01), Albers et al.
patent: 5875606 (1999-03-01), Jensen

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