Sampling device for analysis of molten metal for hydrogen
CA 1101770 A · Owner: Kobe Steel, Ltd. · Inventors: Hara, Hiroshi; Taniguchi, Masayuki; Matumoto, Iwao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sampling device for a quantitative determination of hydrogen in molten metal. The device includes a material in which hydrogen is hardly diffusible or highly soluble and a refractory vessel housing said material. This refractory vessel is sealed so as to maintain a vacuum or negative (reduced) pressure therein and, is provided with a thin-walled aspirating portion which is readily destroyed by an external pressure.
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 May 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 1998.
- 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.