Injection molded abrasive pad

Details Injection molded abrasive pad Injection molded abrasive pad

1991-07-18

1993-05-11

Bell, Mark L.

Abrasive tool making process, material, or composition

Miscellaneous

51295, 51298, B24D 300

Patent

active

052097609

ABSTRACT:
A one-piece abrasive sheet and method of manufacture. The abrasive pad has a planar sheet portion with a plurality abrasive protrusion extending therefrom. The protrusions are intimately molded with the planar sheet portion to form a one-piece sheet. Thermoplastic and abrasive grit mixture may be used to form the sheet by injection molding.

REFERENCES:
patent: 1507836 (1924-09-01), King
patent: 2907146 (1959-10-01), Dyar
patent: 3048482 (1962-08-01), Hurst
patent: 4078340 (1978-03-01), Kleeker et al.
patent: 4088729 (1978-05-01), Sherman
patent: 4106915 (1978-08-01), Kagawa et al.
patent: 4111666 (1978-09-01), Kalbow
patent: 4554765 (1985-11-01), Grimes et al.
patent: 4653236 (1987-03-01), Grimes et al.
patent: 4750915 (1988-06-01), Tomita et al.
patent: 4945687 (1990-08-01), Scheider et al.

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