Shell case
CA 1290977 C · Owner: Ronn, Torsten · Inventors: Hellner, Lars; Albrektsson, Kjell; Ronn, Torsten
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordNo Claude kit for weapons
Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.
Abstract From the Canadian patent
A shell case is disclosed which comprises prefabricated fragments, preferably of a material with high density and a supporting material which surrounds the fragments anal together with these, forms a connected shell which surrounds the explosive of the shell. The supporting material consists of a completely dense non-compressible material which is permanently connected with the pre-fabricated fragments for in-, stance a hardenable steel. The shell is preferably manufactured by a powder metallurgical procedure in which the supporting material in the form of â metal powder together with the, pre-fabricated fragments are pressed under high all-round, pressure and high temperature into a dense …
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.
Why it's free to use
- Granted October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 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.