Plastic watch casing with plastic crystal and process for joinin

Details Plastic watch casing with plastic crystal and process for joinin Plastic watch casing with plastic crystal and process for joinin

1983-08-12

1985-12-17

Kimlin, Edward

Horology: time measuring systems or devices

Cases

With bezel or crystal details

368280, 156 69, 156 731, 156196, 156221, 1563084, 29807, 264249, 368295, 368296, B32B 3116, G04B 3700

Patent

active

045589577

ABSTRACT:
To simplify fitting and sealing the crystal (4) to the casing (2, 6, 8), assembly is effected by means of ultrasonic welding. The casing (2, 6, 8) and the crystal (4) are made of synthetic materials which are thermo-weldable to each other. The mating faces (8a, 4b) of the peripheral wall (8) of the casing and the crystal (4) are formed for reducing the contact area between the two parts to permit thermo-welding by subjecting the assembly to high-frequency mechanical vibrations imparted by a tool (15).

REFERENCES:
patent: 2357904 (1944-09-01), Mulcrone
patent: 3505807 (1970-04-01), Piquerez
patent: 4151707 (1979-05-01), Cobelli
patent: 4259419 (1981-03-01), Uba et al.

Affiliated with

Also associated with

Rating

Plastic watch casing with plastic crystal and process for joinin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Plastic watch casing with plastic crystal and process for joinin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plastic watch casing with plastic crystal and process for joinin will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2171942