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:
Jul. 21, 2020
Filed:
Nov. 03, 2016
Brinkmann Pumpen K.h. Brinkmann Gmbh & Co. KG, Werdohl, DE;
Markus Helpertz, Dortmund, DE;
Matthias Radermacher, HĂĽckeswagen, DE;
Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG, Werdohl, DE;
Abstract
A threaded spindle machine includes a metal middle housing part () arranged between housing end caps () and forming a fluid chamber () for receiving a plurality of threaded spindles rotatably supported in the housing end caps (); an insert () adhered into the middle housing part, which insert forms a wear-resistant running surface for the threaded spindles on the inner wall of the fluid chamber () and defines an adhesive gap () with the inner surface of the middle housing part (); and at least one filling channel () leading from an outer surface of the middle housing part () to the adhesive gap (), and the filling channel () extends from an end of the middle housing part () which is adjacent to a housing end cap ().