Metal blind rivet
CA 1285796 C · Owner: Emhart Inc. · Inventors: Mauer, Dieter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Metal blind rivet having longitudinal flutes extending over a substantial length of the deformation section of the counter head wherein the flutes are arranged in such a steep helix with a distinct wall thickness of the deformation section in the region of the base of the flutes that during the setting operation the counter head takes on the internal form of the distorted (twisted), expanded deformation section with the wall compacted therein.
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 July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2008.
- 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.