Patents Assigned to Makilaakso Oy
  • Method and device for seaming the end of a tube
    Patent number: 5041180
    Abstract: A method and a device for seaming the end of a tube. In the method, the shell of the tube is placed onto the shoulder of the end piece, a sleeve ring is placed where the joint is to be produced, and the seaming is effected by smelting in a seaming element a plastic layer provided on the sleeve ring, tube shell and/or end piece.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: August 20, 1991
    Assignee: Makilaakso Oy
    Inventor: Antero Makilaakso