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. 18, 2022
Filed:
Jan. 09, 2017
Applicant:
Tennant Company, Minneapolis, MN (US);
Inventor:
Steven P. Westveld, Marne, MI (US);
Assignee:
Tennant Company, Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 41/40 (2006.01); B29C 41/04 (2006.01); B29C 41/42 (2006.01); B29D 1/00 (2006.01); B29L 1/00 (2006.01); B29C 41/38 (2006.01);
U.S. Cl.
CPC ...
B29C 41/40 (2013.01); B29C 41/04 (2013.01); B29C 41/42 (2013.01); B29D 1/00 (2013.01); B29C 41/38 (2013.01); B29K 2905/00 (2013.01); B29L 2001/00 (2013.01);
Abstract
A thread forming apparatus for forming threads in a rotational molding apparatus comprising a molding pin having a generally elongate shape, at least a portion of the molding pin having a threaded portion, the molding pin adapted to rotate along with the mold and receive the plastic material on at least the threaded portion, the molding pin being releasable relative to the mold such that once the plastic material coats the threaded portion of the molding pin and forms a threaded portion on the molded product, the molding pin is completely removed from the mold.