Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1976-07-16
1977-11-15
Whitby, Edward G.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
30124, 30152, 156263, 264 36, 427140, 428 63, B32B 3500
Patent
active
040584232
ABSTRACT:
A manually operated carpet repair tool cuts a circular plug in a carpet to remove a damaged area. The carpet repair tool has two cutting blades which are equally spaced circumferentially on the lower periphery of the tool for balanced tracking of the blades in the cut.
Circumferential grooves on a centering pin grip the carpet plug as the cut is being made so that the operator can test to see if the plug is free during the cutting operation and still continue the cut in exactly the same location as before if the cut has not been completed.
A carpet repair disk is positioned beneath the opening cut in the carpet to retain a matching carpet repair patch in the opening cut by the carpet repair tool. The carpet repair disk includes a strand reinforced paper backing with an adhesive on the upper surface.
The carpet repair disk is of larger diameter than the diameter of the opening cut in the carpet. The disk has a slit extending inwardly from the periphery into the center of the disk to form two flaps so that a larger size disk can be easily inserted in the smaller size opening by first placing one flap partially through the opening and into the carpet and then rotating the rest of the disk through the opening and into the backup position under the opening in the carpet.
The adhesive on the upper surface of the disk engages the back side of the carpet entirely around the opening and also engages the back side of the patch to hold the patch into place.
REFERENCES:
patent: 1113030 (1914-10-01), McLaurin
patent: 1947152 (1934-02-01), Clark
patent: 3138505 (1964-06-01), Hirsch
patent: 3456346 (1969-07-01), Snyder
patent: 3558385 (1971-01-01), Ronning
patent: 3697358 (1972-10-01), Ronning
patent: 3786564 (1974-01-01), Acheson
Bascom Hollis H.
Greci John J.
Hoopengardner Merle R.
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