Method for producing a set of optical devices

Details Method for producing a set of optical devices Method for producing a set of optical devices

1996-04-30

1999-02-02

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Including step of mold making

264 401, 359407, B29D 1100

Patent

active

058660488

ABSTRACT:
A method for producing a group of binoculars entails the use of injection molding to mold prism set housings with great uniformity. Prior to any production run, the mold is refined by iteratively producing and testing a prism set housing, altering the mold, and then molding another test prism set housing. This method is less time-consuming and less expensive than methods available until now. Moreover, it permits the production of binocular channels that are more thoroughly waterproof than previously available because no aperture in the binocular channel is necessary for the adjustment of individual prism set housings.

REFERENCES:
patent: 3614211 (1971-10-01), Letter
patent: 4278339 (1981-07-01), Uchida et al.
patent: 4502763 (1985-03-01), Shimizu
patent: 4568155 (1986-02-01), Shimizu
patent: 4626081 (1986-12-01), Nishizawa

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