Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1986-08-29
1987-06-30
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51358, B24D 1500
Patent
active
046760318
ABSTRACT:
An elongated, rigid sanding device comprising a pair of elongated, channel-shaped members which are hingedly mounted together adjacent their ends by their side channels. Handles are attached to the upper channel-shaped member. A biasing spring mechanism is provided between the bases of the channel-shaped members to keep the sanding surface generally planar.
REFERENCES:
patent: 1921211 (1933-08-01), Bawden
patent: 2434356 (1948-01-01), Finkelstein
patent: 4137370 (1979-02-01), Goralski
Rachuba Maurina
Schmidt Frederick R.
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