Knitting Needles Patents (Class 163/2)
  • Patent number: 4884619
    Abstract: A method for the production of bamboo-made knitting sticks provided with a gauge scale comprises the steps of processing a bamboo material into a rod of a round or quadratic shape in cross-section, linearly providing a groove of a concave shape in cross-section in a central surface of said rod, inserting into a bonding to said groove a scale sheet formed of paper, synthetic resin or metal and bearing length readings in cm or mm, casting and curing transparent synthetic resin in said groove to seal said scale sheet in said groove, and finish-processing the surface of the cured synthetic resin to make it uniformly contiguous to the surface of said bamboo material for a knitting stick without any step therebetween and make the circumference of said knitting stick complete, whereby said scale is seen through the cast and cured transparent synthetic resin.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: December 5, 1989
    Inventor: Yoshimori Miyamura
  • Patent number: 4341094
    Abstract: A circular knitting needle includes two rigid tips interconnected by an intermediate flexible portion. Each of the tips is formed with a projection inserted into an elongated recess formed in each end of the intermediate portion. Each projection is provided with a lug having an outer cylindrical surface and each recess of the intermediate portion has three longitudinal contact surfaces which are in engagement with the outer cylindrical surface of the respective lug.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: July 27, 1982
    Assignee: Joh. Moritz Rump
    Inventor: Helmut Heide