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:
Oct. 24, 1995
Filed:
Apr. 07, 1994
John Wise, Hamilton, OH (US);
Larry L Martin, Hamilton, OH (US);
Advanced Drainage Systems, Inc., Columbus, OH (US);
Abstract
An improved pipe production line is provided having an improved manifold assembly component and an improved former component. The improved manifold assembly for use with a die in the extrusion of plastic includes a water inlet tube, a tube through which a vacuum is pulled, a water return tube, a calibration finger first section having an outer surface, the first section having at least one water receiving channel connected to the water inlet tube and the first section having a channel connected to the tube through which a vacuum is pulled, and the first section having the water return tube positioned centrally of the first section outer surface, with the first section having formed therein apertures connected to the channel connected to the tube through which a vacuum is pulled, and a calibration finger second section having an outer surface and an interior channel, with the second section having the water return tube positioned centrally of the second section outer surface, and the second section having formed therein apertures connected to the interior channel.