Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1989-07-10
1991-05-21
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51392, 51358, B24D 1500
Patent
active
050164023
ABSTRACT:
A kit including a plurality of sandpaper supporting devices, each of differing length and/or width dimension whereby areas of varying size and contour may more readily be finished in an abrading process. Each of the devices includes a plate member of a predetermined length and width dimension, the plate being sufficiently flexible to conform to the contour of the surface being finished. One or more handle members of varying types are releasibly attached to one major surface of the plate. A knobby elastomeric pad is removably attached to the other major surface of the plate, preferably using Velcro.RTM. strips. The knobby pad serves as a backing or support for an abrasive sheet (e.g. sandpaper) of a width and length corresponding to the dimensions of the plate member. When the supporting devices are to be used with an airfile, a special adapter is used which is coupled to the supporting device and permits flexure of the supporting devices.
REFERENCES:
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patent: 2434356 (1948-01-01), Finkelstien
patent: 2437827 (1948-03-01), Lund
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patent: 3498009 (1970-03-01), Taafe
patent: 3892091 (1975-07-01), Hutchins
patent: 4263755 (1981-04-01), Globus
patent: 4437269 (1984-03-01), Shaw
patent: 4676031 (1987-06-01), Reiter
patent: 4774789 (1988-10-01), Amalfi
Schmidt Frederick R.
Shideler Blynn
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