Lens lapping pad

Details Lens lapping pad Lens lapping pad

1990-01-19

1990-10-16

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51297, 51405, 51407, 51DIG34, B24D 1102

Patent

active

049626183

ABSTRACT:
A lens lapping pad comprising a zinc alloy foil having a thickness of about 0.1 mm, and a backing of cloth impregnated with a pressure sensitive adhesive, to give an overall pad thickness of about 0.5 mm. A peelable cover may protect the cloth backing.

REFERENCES:
patent: 369431 (1887-09-01), Brown
patent: 2752738 (1956-07-01), Seifert
patent: 3144737 (1964-08-01), Faas
patent: 3324608 (1967-06-01), Hoenig
patent: 4019289 (1977-09-01), Korver
patent: 4086068 (1978-04-01), Hedin
patent: 4162899 (1979-07-01), Molnar et al.
patent: 4274232 (1981-06-01), Wylde
patent: 4555250 (1985-11-01), Horie et al.
patent: 4644703 (1987-02-01), Kaczmarek et al.

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