Patents Assigned to Philip Morris Management Corp.
  • Dual bobbin mandrel
    Patent number: 6168110
    Abstract: An improved mandrel for use on a dual bobbin spindle apparatus, the mandrel being an expandable contractible cylindrical sleeve having a plurality of expansion members and at least one interstitial resilient member separating the expansion members, providing positive engagement of a plurality of reels or bobbins containing wound webs of flexible material.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: January 2, 2001
    Assignee: Philip Morris Management Corp.
    Inventors: William H. Stevens, Keith Richard Koenig, Robert Eugene Marcum
  • Method for making a heatsealable carton
    Patent number: 5425218
    Abstract: A sealed cigarette carton is formed by activating an adhesive pre-applied to a carton blank and then setting the adhesive. Cigarette packaging apparatus and method utilizing packaging stock comprising a pre-applied adhesive forms cigarette cartons that are sealed by heat-activating and then setting the pre-applied adhesive.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: June 20, 1995
    Assignee: Philip Morris Management Corp.
    Inventors: John M. Adams, Angel Amendola, Frederick M. Della Crosse, Robert Gallino, Jeffrey M. S. Haskin, David Moir, Xuan M. Pham, Kenneth B. Shepard, Ronald R. Stewart
  • Device for controlling relative humidity within a substantially sealed container
    Patent number: 5037459
    Abstract: An insert for inclusion in a substantially sealed container to control the relative humidity within the container is provided. The insert is a packet at least part of the surface of which is a membrane capable of passing water vapor and which contains a buffering substance which is a saturated salt solution selected according to the desired relative humidity, and modified by a nonelectrolyte, if necessary, to adjust the relative humidity.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: August 6, 1991
    Assignee: Philip Morris Management Corp.
    Inventors: David B. Spruill, Joseph L. Banyasz, Thomas V. Van Auken
  • Device for controlling relative humidity within a substantially sealed container
    Patent number: 5035731
    Abstract: An insert for inclusion in a substantially sealed container to control the relative humidity within the container is provided. The insert is a packet at least part of the surface of which is a membrane capable of passing water vapor and which contains a buffering substance which is a saturated salt solution selected according to the desired relative humidity, and modified by a nonelectrolyte, if necessary, to adjust the relative humidity.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: July 30, 1991
    Assignee: Philip Morris Management Corp.
    Inventors: David B. Spruill, Joseph L. Banyasz, Thomas V. Van Auken