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. 23, 2004
Filed:
Mar. 31, 2003
Douglas B. MacDonald, Caledonia, MI (US);
Daniel V. Constantino, Wayland, MI (US);
Dean K. Hubbard, Byron Center, MI (US);
Robert T. Ruthven, Wayland, MI (US);
Daniel M. Ursul, Grand Rapids, MI (US);
Larry B. Hanify, Marne, MI (US);
Steelcase Development Corporation, Caledonia, MI (US);
Abstract
A method is disclosed for securing a flexible covering about a frame having a peripheral edge and at least one corner. A portion of the flexible covering is folded over the peripheral edge of the frame at or about the corner and an excess portion of the covering is provided. Ultrasonic welding is used to create a seam of contacting portions of the flexible covering. In an embodiment, the excess portion of the flexible covering is removed in connection with the welding operation. An apparatus for securing a flexible covering about a frame is also provided.