Patents by Inventor Nils G. Lundvall

Nils G. Lundvall has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Boring device
    Patent number: 4505625
    Abstract: A boring head (10; 50) for internal machining of bores in workpieces comprising an insert holder (16; 41) and an operating means (18; 27; 51, 52) resting thereagainst. The operating means is adapted to adjust the insert holder (16; 41) radially when turned about its longitudinal axis. The boring head (10; 50) is associated with control means (21; 28; 63), which are adapted to turn the operating means (18; 27; 51, 52). To advantage the boring head might be provided with a cutting insert, the cutting edge of which comprises a straight forward portion (68) and a convex rear portion (69).
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: March 19, 1985
    Assignee: Santrade Ltd.
    Inventor: Nils G. Lundvall