Patents Assigned to Blackbourn, Inc.
  • Patent number: 4771886
    Abstract: A two-ply, book-style album comprises an inside tray sheet (12) and an outside cover sheet (14). The sheets (12, 14) are preferably formed from high-density polyethylene, and are thermally heat sealed together via a peripheral seal (34) and spine rules (36). The spine rules are formed into the front or obverse surface of the inside tray sheet (12) to define living hinges. An apparatus (70) and method for automatically manufacturing the albums (10) is also disclosed.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: September 20, 1988
    Assignee: Blackbourn, Inc.
    Inventor: Breck J. Johnson
  • Patent number: 4641750
    Abstract: A two-ply, book-style album (10) comprises an inside tray sheet (12) and an outside cover sheet (14). Sheets (12 and 14) are preferably formed of high-density polyethylene, and are thermally heat-sealed together by means of a peripheral seal (34) and spine rules (36). The spine rules (36) include longitudinal grooves (38) formed to a substantial depth into the front surface of the inside tray sheet (12) in order to define living hinges which provide a roundish, less square spine of more pleasing appearance.
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: February 10, 1987
    Assignee: Blackbourn, Inc.
    Inventors: Breck J. Johnson, George D. Canfield
  • Patent number: 4496048
    Abstract: The specification discloses an album type package (10) for holding a magnetic tape cassettes, and particularly either of two different predetermined sizes of video cassettes (28). The package (10) includes covers (12, 14) hinged to opposite sides of a spine (16), on which is mounted a rectangular boot or tray (26) for receiving a cassette in edgewise relationship therein. A lug (36) on the back cover (14) positively retains the cassette in the tray (26) when the cover is releasably secured by a lock (30) to the tray and the package (10) is partially closed. Means (44) are provided for properly locating a second, relatively smaller cassette for engagement with the lug (36). Another lock (38) releasably secures the covers (12, 14) in fully closed position.
    Type: Grant
    Filed: December 13, 1982
    Date of Patent: January 29, 1985
    Assignee: Blackbourn, Inc.
    Inventor: Philip K. Sykes