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:
Nov. 27, 1984
Filed:
May. 12, 1983
Applicant:
Inventor:
Wolfgang Norz, Schwieberdingen, DE;
Assignee:
Union Special G.m.b.H, Stuttgart, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ; D05B / ;
U.S. Cl.
CPC ...
112-2 ; 112 10 ; 11212126 ; 112141 ; 112322 ;
Abstract
An automatic sewing apparatus capable of blind stitching an S-shaped hem in the marginal edge of a tubular workpiece. The sewing apparatus is provided with a tensioning device including a pair of roller supports which arrange an open end of the workpiece in a closed loop formation. The roller support, arranged on the downstream side of the sewing machine, is provided with a guiding portion adapted to receive and controllably guide the sewn and hemmed edge of the tubular workpiece.