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. 08, 1990
Filed:
Jan. 19, 1989
Applicant:
Inventors:
Jakob Bothner, Goppngen-Jebenhausen, DE;
Axel Marg, Ebersbach, DE;
Assignee:
Zinser Textilmaschinen GmbH, Ebersbach, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01G / ;
U.S. Cl.
CPC ...
19288 ;
Abstract
A sliver guide conduit extending between the output and calendar rollers of a draw frame or like spinning preparation machine is of a bipartite construction having an upstream conduit section extending into the interior area of a downstream conduit section, with an air conduit opening tangentially into the interior of the downstream conduit section annularly about the upstream section for admitting an airstream to assist in drawing a sliver through the sliver guide conduit during machine start-up.