Process for the manufacture of a watch case with a visible highl

Details Process for the manufacture of a watch case with a visible highl Process for the manufacture of a watch case with a visible highl

1973-12-18

1976-12-21

Hunt, Brooks H.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

75200, 75203, 75204, 75208R, B22F 300

Patent

active

039986713

ABSTRACT:
This invention relates to a process for the manufacture of a workpiece with a visible highly invariable surface characterized by the manufacture of a casting by sintering a mixture of powdered metal of one of at least one of the metals of the groups 4A, 5A and 6A of the periodic system of elements and a binding agent derived from one of at least one of the metals of the groups 1B and 8 of the periodic system; forming the casting to bring it in the definitive shape, finishing the face to be made invariable and submitting the thus obtained workpiece to heat-treatment for hardening it.

REFERENCES:
patent: 3647576 (1972-03-01), Yamamura et al.
patent: 3655365 (1972-04-01), Holtz
patent: 3655458 (1972-04-01), Reichman
patent: 3690062 (1972-09-01), Kasai
patent: 3698878 (1972-10-01), Hale
patent: 3765958 (1973-10-01), Freche et al.
patent: 3841848 (1974-10-01), Kasai et al.
patent: 3880600 (1975-04-01), Zboril
Beguin, Swiss Watch and Jewelry Journal, July 1973, pp. 428-429.
Metals Handbook vol. 1, 8th Ed., 1961, pp. 256-257.

Affiliated with

Also associated with

Rating

Process for the manufacture of a watch case with a visible highl does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the manufacture of a watch case with a visible highl, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the manufacture of a watch case with a visible highl will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1837071