Patents by Inventor Harvey J. Spencer

Harvey J. Spencer 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).

  • Patent number: 4650173
    Abstract: A method and apparatus for operating a diaper-producing machine where a series of unfolded diapers are advanced along a path containing a plurality of stackers each having a folding blade, the apparatus having means for periodically altering the movement of one blade to permit diaper movement past that stacker to a subsequent one, thereby continuing stacking while a previously completed stack is removed.
    Type: Grant
    Filed: May 16, 1985
    Date of Patent: March 17, 1987
    Assignee: Paper Converting Machine Co.
    Inventors: Gary E. Johnson, Andrew M. Van Egeren, James F. Campbell, Harvey J. Spencer
  • Patent number: 4588138
    Abstract: An apparatus for winding a web of sheet material into a roll on a core includes a pair of rollers and a source of vacuum for drawing a vacuum in the space between the rollers. The vacuum holds the core in the space between the rollers. The core is rotated by the rollers, and the web is wound on the rotating core.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: May 13, 1986
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: 4523969
    Abstract: Method and apparatus for applying stretched elastic segments to a web as for a diaper waistband and the like which include advancing a stretched continuous elastic ribbon, gripping the ribbon at two pairs of points, severing the ribbon between the gripped pairs to provide a stretched segment and advancing the ribbon segment in planetary fashion to unite the same to a continuous web.
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: June 18, 1985
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: 4520728
    Abstract: A register assembly including sleeve and collar means and gearing which can be adjusted relative to each other off-machine and to a predetermined position on the plate cylinder journal or shaft so that when the register assembly is mounted on the plate cylinder journal, the plate cylinder not only has exact gear tooth engagement but also proper registration.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: June 4, 1985
    Assignee: Paper Converting Machine Company
    Inventors: Harold Ecker, Harvey J. Spencer
  • Patent number: 4471955
    Abstract: This invention relates to a method and apparatus for developing and handling stacks of web material and, more particularly, to such articles as towels (folded or unfolded), tissues, impregnated non-woven sheets and other relatively flimsy webs which are either normally or desirably provided in the form of a rectangular stack.
    Type: Grant
    Filed: June 15, 1983
    Date of Patent: September 18, 1984
    Assignee: Paper Converting Machine Company
    Inventors: John J. Bradley, Harvey J. Spencer
  • Patent number: 4417935
    Abstract: A method of diaper manufacture whereby adhesive is applied directly to the moisture impervious web for attachment thereto of elastic ribbons to make a shirred diaper.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: November 29, 1983
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: 4328655
    Abstract: A method of manufacturing a packaged web product and apparatus therefor wherein superposed webs are compressed and while compressed webs pass through an open-ended forming device having a closed perimeter and simultaneously enveloping the compressed, superposed webs, and thereafter transversely severing the resultant product into identical units.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: May 11, 1982
    Assignee: Paper Converting Machine Company
    Inventors: Harvey J. Spencer, William P. Niedermeyer
  • Patent number: 4285621
    Abstract: Apparatus for stacking web units involving a transfer mechanism to accumulate substacks when traveling in a vertical path and including L-shaped fingers for supporting the stacks in the vertical path.
    Type: Grant
    Filed: November 14, 1979
    Date of Patent: August 25, 1981
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: 4283973
    Abstract: A method and apparatus for handling articles (such as web stacks) wherein a series of articles is advanced along a first lineal path and gripped therein, thereafter directed about an arcuate quadrant to a second path perpendicular to the first path and while still being gripped, and thereafter translated, while still being gripped, into a third path parallel to the second path, the handling in the first, second, and third paths occurring while a dimension of the article remains parallel to the direction of travel of the first path.
    Type: Grant
    Filed: November 15, 1979
    Date of Patent: August 18, 1981
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: 4041813
    Abstract: A method and apparatus for the transverse cutting of elongated material such as superposed web plies (for example, a convolutely wound log) wherein the material is uniformly advanced along an axial path and a cutting disc blade is moved through an orbit in planetary fashion which intersects the path and is skewed relative thereto while the disc blade is rotating in planes perpendicular to the path.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: August 16, 1977
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: 4033862
    Abstract: Apparatus for handling wound rolls wherein an upper takeaway conveyor receives rolls from a source conveyor and delivers the same selectively to a plurality of diverter conveyors. Each conveyor is equipped with a plurality of spaced apart grippers including three fingers grouped two on one side of each roll and one finger on the other.
    Type: Grant
    Filed: January 21, 1976
    Date of Patent: July 5, 1977
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: 4015724
    Abstract: Method and apparatus for handling substacks of business forms to develop balanced stacks for packing wherein alternate substacks are rotated 90.degree. incident to the formation of a stack whereby the glued edges are alternately reversed.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: April 5, 1977
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer
  • Patent number: RE30598
    Abstract: A method and apparatus for the transverse cutting of elongated material such as superposed web plies (for example, a convolutely wound log) wherein the material is uniformly advanced along an axial path and a cutting disc blade is moved through an orbit in planetary fashion which intersects the path and is skewed relative thereto while the disc blade is rotating in planes perpendicular to the path.
    Type: Grant
    Filed: February 14, 1979
    Date of Patent: May 5, 1981
    Assignee: Paper Converting Machine Company
    Inventor: Harvey J. Spencer