Patents by Inventor Saburo Akane

Saburo Akane 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).

  • Apparatus for producing blown film
    Patent number: 4784597
    Abstract: A bubbler stabilizer for a blown film extrusion apparatus has a shaft mounted on an extrusion die of the apparatus, a pair of supporting members mounted on the shaft and spaced a predetermined distance from each other, and a plurality of lengths of coil spring extending between the peripheral portions of the supporting members with the lengths being spaced peripherally at intervals of a predetermined size around the supporting members. The coil spring lengths extend in a skew position relative to the axis of the shaft.
    Type: Grant
    Filed: August 1, 1986
    Date of Patent: November 15, 1988
    Assignee: Super Bag Company, Ltd.
    Inventor: Saburo Akane