Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Patent
1976-05-26
1978-05-16
Baldwin, Robert D.
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
29559, 51216LP, 164 98, 425808, B22D 1906, B24B 1300
Patent
active
040891020
ABSTRACT:
A method of forming a lens holder comprising mounting a support member in a lens-holding body, forming at least one contact surface on the support member, positioning a former on the contact surface such that a curved surface defined by the former engages the contact surface, introducing a settable mass of flowable material into a cavity between the curved surface and the lens-holding body, and removing the former from the contact surface after the material has set. The set material defines a surface for supporting a lens having a curved surface substantially corresponding to the curved surface to the former. A plurality of support members may be formed by the method of the invention on a single lens holder.
REFERENCES:
patent: 3794314 (1974-02-01), Coburn et al.
patent: 3881683 (1975-05-01), Whitney
patent: 3951203 (1976-04-01), Prunier
Meehan Michael John
Rouse John Reginald
Soper Peter Henry Hunt
Autoflow Engineering Limited
Baldwin Robert D.
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