Mounting block for mounting a lens in a lens trimming and bevell

Details Mounting block for mounting a lens in a lens trimming and bevell Mounting block for mounting a lens in a lens trimming and bevell

1977-05-11

1978-10-10

Whitehead, Harold D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

B24B 4106

Patent

active

041188985

ABSTRACT:
A mounting block for mounting a lens on a trimming and bevelling machine is made of flexible plastic material and adapted to be fixed onto one lens surface by means of a thin film of adhesive material; said block comprises orienting and driving means which cooperate with complementary means mounted on the spindle of the machine. The mounting block is formed with a flexible circular web portion having a conical lower surface which constitutes the lens-contacting surface, and which is provided with a recess in its central portion; the web portion is provided with at least one outwardly extending gripping tab adapted to facilitate the removal of the block from the lens.

REFERENCES:
patent: 2264392 (1941-12-01), McClernon
patent: 2491219 (1949-12-01), Seidner
patent: 3962833 (1976-06-01), Johnson

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