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:
Feb. 15, 1983
Filed:
Feb. 22, 1980
Applicant:
Inventor:
George W Peppel, Arlington, TX (US);
Assignee:
Patient Technology, Inc., Hauppauge, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425393 ; 264296 ; 264320 ;
Abstract
A method and apparatus to close an end of a hollow thermoplastic tube is disclosed. The apparatus includes a female die with an interior shaped end in the configuration of the desired closed end of the tube. The shaped end of the die is heated to the softening point of the plastic. The portion of the die adjacent the shaped end is in contact with a heat sink to maintain that portion of the tube adjacent the closed end at a temperature at least 15.degree. F. below the softening point of the plastic to prevent deformation of the tube.