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:
May. 07, 1996
Filed:
Apr. 07, 1994
Applicant:
Inventors:
John Wise, Hamilton, OH (US);
Larry L Martin, Hamilton, OH (US);
Assignee:
Advanced Drainage Systems, Inc., Columbus, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425393 ; 2642094 ;
Abstract
An improved manifold assembly which can be used in conjunction with a die head in the extrusion of a plastic with the manifold assembly having a water inlet tube, a tube through which a vacuum is pulled, a water return tube, a calibration finger first section, and a calibration finger second section.