Coupling member for vessels for use in two-way extraction systems
CA 1237155 A · Owner: Merck Patent Gesellschaft Mit Beschraenkter Haftung · Inventors: Siegel, Wilhelm
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
COUPLING MEMBER FOR VESSELS FOR USE IN TWO-WAY EXTRACTION SYSTEMS", ABSTRACT OF THE DISCLOSURE This invention relates to a coupling member for use in the liquid-tight and gas-tight connection of vessels of different sizes to a two-way extraction system. The coupling part comprises two parts, a cylindrical adaptor part and a part comprised of a union nut. The cylindrical adaptor part has, on its side facing the extraction system a diameter compatible with the extraction system and the, side facing the vessel mouth, a diameter compatible with the vessel mouth. Sealing elements are provided for use with the vessel mouth for sealing thereof with the coupling member. The union nut has an inner …
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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 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.