Corrugated web hole reinforcement

Details Corrugated web hole reinforcement Corrugated web hole reinforcement

2006-09-19

2006-09-19

Bochna, David (Department: 3679)

Pipe joints or couplings

Pipe to discreet nipple or sleeve to plate

Plate clamped between flanged nipple and separate fastener

C285S139300

Reexamination Certificate

active

07108290

ABSTRACT:
A device is provided for reinforcing a penetration in corrugated material having a plurality of corrugations. The device includes a tube configured to be received within the penetration. A first holder is attached to the tube, and the first holder has at least one finger arranged to engage at least one corrugation in the corrugated material. If desired, a second holder may be arranged to also engage at least one corrugation.

REFERENCES:
patent: 4437687 (1984-03-01), Wilson
patent: 4619471 (1986-10-01), Harbeke
patent: 5293724 (1994-03-01), Cornwall
patent: 6314962 (2001-11-01), Vaska et al.
patent: 6550816 (2003-04-01), Sorkin
patent: 6895894 (2005-05-01), Fort, II

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