Device for the manufacture of elliptical pickup diamonds

Details Device for the manufacture of elliptical pickup diamonds Device for the manufacture of elliptical pickup diamonds

1987-05-05

1989-05-16

Hoag, Willard

Static molds

Uniting preform with molding material

249160, 425117, 425127, 4251291, 425542, B29C 3926, B29C 4514

Patent

active

048303291

ABSTRACT:
The present invention concerns the manufacture of a support arm equipped with a diamond pickup of the type utilized for a record turntable pickup. The diamond pickup has a cylindrical central body having a plurality of planar facets and an elliptical tapered point.
The support arm is injection molded in a mold consisting of an upper and lower die. The upper mold die has a V-shaped notch in which the planar facets of the cylindrical central body is automatically positioned under the thrust of the injected composite material.

REFERENCES:
patent: 3227416 (1966-01-01), Fessel
patent: 3685935 (1972-08-01), Kurucz et al.
patent: 4165560 (1979-08-01), Matsumoto
patent: 4219199 (1980-08-01), Okuda
patent: 4263005 (1981-04-01), Shinozaki
patent: 4365325 (1982-12-01), Vandenhul
patent: 4708613 (1987-11-01), Sera et al.

Affiliated with

Also associated with

Rating

Device for the manufacture of elliptical pickup diamonds does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for the manufacture of elliptical pickup diamonds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for the manufacture of elliptical pickup diamonds will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2316629