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:
Jan. 23, 1996
Filed:
Jan. 03, 1994
Applicant:
Inventors:
Theodore N Westlake, III, Baton Rouge, LA (US);
Duane K Wolcott, Baton Rouge, LA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264291 ;
Abstract
Process and apparatus for producing plastic membrane tubing of a selected length, wall thickness and inner diameter from a commercially-available tubing while retaining tubing end portions which are readily connected by conventional tubing connections to the tubing leads for an associated analytical apparatus, involving a controlled heating and a rapid stretching of the heated tubing by fixing a first end of the tubing and application of a constant tensile force to a second end of the tubing to stretch the tubing a desired amount.