Manufacturing method of front-end component of endoscope

Details Manufacturing method of front-end component of endoscope Manufacturing method of front-end component of endoscope

2005-12-20

2005-12-20

Vargot, Mathieu D. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

C065S039000, C065S059400, C264S002700

Reexamination Certificate

active

06977053

ABSTRACT:
The invention relates to a method of manufacturing a front-end optical component of an endoscope realizing resistance to humidity. In the method of manufacturing a front-end optical component in which a lens is mounted on the front end of a metallic lens-barrel provided on the front end of the inserting portion of an endoscope, the configuration is made such that a lens raw material is placed on the front-end side in the lens-barrel, the lens raw material is press-formed in a heat-softened state with a pair of upper and lower shaping dies, thereby tightly joining the outer edge of the pressed lens raw material to the inner peripheral surface of the lens-barrel.

REFERENCES:
patent: 4988375 (1991-01-01), Bornhauser
patent: 10-29825 (1998-02-01), None
patent: 10-170794 (1998-06-01), None
patent: 10-234652 (1998-09-01), None

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