Patents by Inventor Per E. Jacobsen

Per E. Jacobsen 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).

  • Injection nozzle for the injection of thermoplastics, curable plastics or rubber
    Patent number: 5141155
    Abstract: The nozzle comprises a wear pipe (k) arranged in a supporting pipe (c) and comprising a nozzle tip (1) which by an external thread is screwed into an insert (e) at the outlet end of the nozzle housing (b). At the inlet end thereof, the wear pipe (k) carries a counter nut (m). The position of the nozzle tip (1) in the injection hole of a mould is adjusted by the nozzle tip being rotated in the thread of the insert (e), and after a fine adjustment the counter nut (m) is tightened against the back of the nozzle housing (a).
    Type: Grant
    Filed: May 3, 1991
    Date of Patent: August 25, 1992
    Assignee: Dan-Tip A/S
    Inventor: Per E. Jacobsen