by cold or hot pressing of plastic sealing material

Patents Grantslast 30 patents

  • Information Patent Grant

    Easy open type can

    • Patent number 4,712,706
    • Issue date Dec 15, 1987
    • Hokkai Can Co., Ltd.
    • Akira Nakata
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container closure members

    • Patent number 4,212,409
    • Issue date Jul 15, 1980
    • AB Akerlund & Rausing
    • Jan-Bertil Jeppsson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    3720349

    • Patent number 3,720,349
    • Issue date Mar 13, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents