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:
Dec. 07, 2004
Filed:
Apr. 01, 2003
Ryan Grimes, Southampton, GB;
Mark William Russell, Lovedean, GB;
Richard Gerald Charles MacDonald, Tamworth, GB;
Stanelco RF Technologies Limited, Southampton, GB;
Abstract
A dielectric welding apparatus for welding a plastic sleeve contains a solid state radio frequency generator linked via a matching network to a welding tool. The tool ( ) includes a frame ( ) with a handle ( ), the frame defining a slot in which are opposed welding electrodes ( ), the slot being open at one end and at the other end communicating with a wider aperture ( ). A pneumatic cylinder ( ) can be actuated to urge the electrodes together, both the cylinder ( ) and the RF generator ( ) being activated by a trigger ( ) on the tool ( ). The electrodes are coated with an electrically insulating material that is not dielectrically heated, and are readily removable, so they can be replaced, for example when the electrically insulating coating becomes worn.