Container for aggressive liquids
CA 1283372 C · Owner: Gunkel, Werner · Inventors: Joseph, Frank; Gunkel, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Container for aggressive liquids, A b s t r a c t A container (1) intended for transporting and discharging aggressive liquids, such as silicon tetrachloride, is closed with a container lid (6) which carries a valve head (10). The inner surfaces of the container (1) and of the container lid are lined with fluorinated hydrocarbon. The valve head (10) has a valve block (11) which, in valve block drilled holes (16) accommodates valve inserts (19) and is enclosed by a steel jacket (12) which is bolted to the container lid (6). All the parts which come into contact with the aggressive liquid consist of fluorinated hydrocarbon, so that contact between the aggressive lquid and metal is avoided …
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 April 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 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.