Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Plural sequential shaping or molding steps on same workpiece
Patent
1974-04-08
1976-06-22
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Plural sequential shaping or molding steps on same workpiece
264137, 264255, 264257, 264266, 264271, 264320, B29G 700
Patent
active
039652351
ABSTRACT:
A low friction bushing is made by winding a continuous strand of bondable low friction thread impregnated with a bonding resin into the shape of a hollow cylinder having an axial length greater than the finished bushing. The cylinder is inserted into an annular cavity and with heat and pressure is axially compressed therewithin to radially expand it and compact the thread turns and fuse the resin into a solidified matrix with the thread and resin matrix completely filling the cavity and thereafter the solidified bushing is removed from the cavity. One of the cylindrical walls of the cavity is finished with a surface of bearing quality such that the surface of the bushing pressed thereagainst will be of a complementary quality.
REFERENCES:
patent: 2127994 (1938-08-01), Davis et al.
patent: 2400533 (1946-05-01), Buffington
patent: 2433643 (1947-12-01), Beach et al.
patent: 2560133 (1951-07-01), Schroeter
patent: 2614058 (1952-10-01), Francis
patent: 2710026 (1955-06-01), Stewart et al.
patent: 2967796 (1961-01-01), Raffel
patent: 3000076 (1961-09-01), Runton et al.
patent: 3342917 (1967-09-01), Laskiewicz
patent: 3781205 (1973-12-01), Cairns et al.
LandOfFree
Method of making a low friction bushing does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of making a low friction bushing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making a low friction bushing will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2288716