Stress relieving nut member
CA 1189366 A · Owner: Illinois Tool Works Inc. · Inventors: Peterson, Francis C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A nut member and composite joint configuration designed to eliminate compressive stress on work panels that are fragile. A nut with a tubular section and a flange, which is spaced both radially and axially from one extremity of the tube and provided with an adhesive surface may be, inserted from one side of the fragile panel so that the end of the tubular section is spaced within the aperture in the fragile panel. Compressive clamping forces applied by a male member draws the end up into abutment with the overlying panel while the adhesive absorbs much of the stress in the joint.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 25, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.