Process of making a guide roller for a magnetic tape cassette

Details Process of making a guide roller for a magnetic tape cassette Process of making a guide roller for a magnetic tape cassette

2005-07-05

2005-07-05

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Flash or sprue removal type

C264S250000, C264S255000

Reexamination Certificate

active

06913723

ABSTRACT:
A magnetic tape cassette and a guide roller in which the magnetic tape can stably travel and the magnetic head can read/write the record correctly, and a method of manufacturing the guide roller are provided. The magnetic tape cassette of the present invention comprises a guide roller106rotatably supported by the lower cassette half. The guide roller is almost in the shape of a barrel of which a coefficient of curvature T expressed by the expression [1] representing the extent of curvature of the circumferential surface is in the range between 0.001 and 0.01, and comprises a primary molding and injected resin injected within the primary molding for bulging said primary molding into the shape of said barrel shaped cavity that has a largest diameter at the parting line by the injection pressure.

REFERENCES:
patent: 5662850 (1997-09-01), Konno et al.

Affiliated with

Also associated with

Rating

Process of making a guide roller for a magnetic tape cassette 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 of making a guide roller for a magnetic tape cassette, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process of making a guide roller for a magnetic tape cassette will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3407398