Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1984-11-30
1987-06-09
Moore, Chris K.
Metal working
Method of mechanical manufacture
Assembling or joining
15118, 15244B, B23P 1102
Patent
active
046709622
ABSTRACT:
A polishing pad if formed by providing a sponge or sponge-like material with a soft, loosely knitted covering. The covering is preferably double layered, and is provided with an expandable opening so that the sponge can be readily removed or inserted.
REFERENCES:
patent: 1345026 (1920-07-01), Riley
patent: 1820256 (1931-08-01), Stewart
patent: 4240193 (1980-12-01), Krein
patent: 4437704 (1984-03-01), Horsepians
patent: 4457640 (1984-07-01), Anderson
patent: 4504990 (1985-03-01), Scales et al.
Moore Chris K.
Sponge Fishing Co., Inc.
Wray James C.
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