The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 1976
Filed:
Jun. 27, 1974
Applicant:
Inventor:
Eugene R Baumgaertner, Florham Park, NJ (US);
Assignee:
Allied Chemical Corporation, Morris Township, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B27J / ;
U.S. Cl.
CPC ...
264126 ;
Abstract
A method for molding powder of ultra-high molecular weight, linear polyethylene comprising particles of less than 100 micron mean particle size having narrow particle size distribution is free-sinterable to form solid articles by a process comprising (a) molding a solid preform by compressing the polyethylene molding powder at a temperature below its crystalline melting point under pressure of at least 2,000 p.s.i., (b) releasing the pressure and (c) free-sintering the preform at temperature above its crystalline melting point.