Patents by Inventor Robin Hasler

Robin Hasler 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).

  • Stabilising sleeve
    Patent number: 3950466
    Abstract: Method and apparatus for stabilising the position of a tubular film comprising an annular, gas-permeable arcuate sleeve through which a tubular film can be passed, and means to supply gaseous fluid under pressure inwardly through the sleeve to create a cushion of gas between the tubular film and sleeve.The arcuate sleeve is suitably used in combination with a primary air-ring.
    Type: Grant
    Filed: July 19, 1973
    Date of Patent: April 13, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventor: Robin Hasler