Patents Assigned to Paper Converting Machine Company
  • Web unit handling method and apparatus
    Patent number: 4360194
    Abstract: A web unit handling method and apparatus wherein a plurality of web units are separately advanced along a plurality of delivery paths which are aligned along a lineal collection path, each web unit being transferred into the collection path and thereafter being advanced therein in synchronism with the other web units being transferred into the path.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: November 23, 1982
    Assignee: Paper Converting Machine Company
    Inventor: John J. Bradley
  • Folding apparatus
    Patent number: 4349185
    Abstract: Folding apparatus for quarter-folded web products such as paper napkins wherein belt means are associated with a pair of vacuum folding rolls for stripping products from one roll and thereafter urging the product against a simultaneously folded product carried by the other roll and thereafter delivering both products in superposed relation along a horizontal path.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: September 14, 1982
    Assignee: Paper Converting Machine Company
    Inventors: Rudolph E. Small, Michael H. Spalding
  • Apparatus for sharpening a disc
    Patent number: 4347771
    Abstract: A lightweight spring-loaded grinding wheel assembly for mounting adjacent a disc and wherein idling grinders are positioned away from a blade during inactive portions of the cycle, and upon release of an external force, the grinders are urged into co-acting and sharpening relationship with a blade by a flexing support.
    Type: Grant
    Filed: November 10, 1980
    Date of Patent: September 7, 1982
    Assignee: Paper Converting Machine Company
    Inventor: John J. Bradley
  • Embossing method to avoid nesting in convolutely wound rolls and product
    Patent number: 4339088
    Abstract: An embossing method to avoid nesting in convolutely wound rolls and product wherein the repeat length is at least as great as the roll circumference.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: July 13, 1982
    Assignee: Paper Converting Machine Company
    Inventor: William P. Niedermeyer
  • Method of manufacturing a packaged web product and apparatus therefor
    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
  • Method and apparatus for stacking
    Patent number: 4325475
    Abstract: A method and apparatus for converting a stream of individual product such as diapers into predetermined count stacks and including a closed chain loop accumulator having differing speed input and output drives.
    Type: Grant
    Filed: May 21, 1980
    Date of Patent: April 20, 1982
    Assignee: Paper Converting Machine Company
    Inventor: Michael H. Spalding
  • Apparatus for stacking product
    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
  • Method and apparatus for handling articles
    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
  • Method of lapping webs
    Patent number: 4279411
    Abstract: A method of lapping webs wherein two series of web sections are advanced, reversely folding a portion of each section about a transverse line adjacent the section leading edge to lap a portion of the preceding section adjacent the trailing edge, and retarding one series relative to the other.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: July 21, 1981
    Assignee: Paper Converting Machine Company
    Inventor: Ernst D. Nystrand
  • Lateral shifting device for crane
    Patent number: 4262950
    Abstract: A device adapted to be suspended from a crane for lifting and laterally shifting a load including a frame having a fork lift attached thereto for carrying the load and a counterweight means to compensate for the weight of the load and to selectively position the fork lift in a tilted condition.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: April 21, 1981
    Assignee: Paper Converting Machine Company
    Inventor: Robert M. Ellingson
  • Core holder for reeling
    Patent number: 4230286
    Abstract: A core holder for reeling which includes a relatively elongated metal tube and a plastic sleeve fixed on the tube with the sleeve having radially outwardly projecting therefrom a plurality of longitudinally extending ribs, the ribs being grindable to a predetermined radius.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: October 28, 1980
    Assignee: Paper Converting Machine Company
    Inventor: Richard J. Charles
  • Apparatus for intermediately storing products on storage devices
    Patent number: 4230216
    Abstract: Apparatus for intermediately storing products on a storage device, such as a pallet or the like, comprises an inserter member for feeding products supplied by a conveyor to the storage device. The inserter member is arranged transversely of the conveyor and has a displaceable plunger combined with a planar support surface which is connected to the plunger and which co-operates with a stripper member for returning the intermediately stored products to the conveyor. A discharge member is provided to displace products in storage onto the planar surface support.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: October 28, 1980
    Assignee: Paper Converting Machine Company
    Inventor: Klaus Wiens
  • Method and apparatus for zig-zag folding
    Patent number: 4205836
    Abstract: A method and apparatus for zig-zag folding in which a slotted receiving cage along with separator means are provided for exact count separation.
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: June 3, 1980
    Assignee: Paper Converting Machine Company
    Inventor: Ernst D. Nystrand
  • Method and apparatus for zig-zag folding
    Patent number: 4204669
    Abstract: A method and apparatus for zig-zag folding in which stack lean can be corrected by angularly shifting one gripper-tucker member relative to the other where the gripper anvil tip and the gripper element tip are each a constant distance from the tucker tip during entry of the tucker into the gripper.
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: May 27, 1980
    Assignee: Paper Converting Machine Company
    Inventor: Ernst D. Nystrand
  • Orbital saw sharpening device
    Patent number: 4173846
    Abstract: A sharpening device for an orbital saw involving a pair of circular grinding stones freely journalled in a sub-assembly which in turn is slidably and pivotally mounted on the frame of the saw while being pivotally supported on the member providing the orbital motion for the saw.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: November 13, 1979
    Assignee: Paper Converting Machine Company
    Inventors: Gary F. Steiner, James F. Campbell
  • Core holder for reeling
    Patent number: 4174077
    Abstract: A core holder for reeling and method of making which includes a relatively elongated plastic tube and a plastic sleeve fixed on the tube with the sleeve having radially outwardly projecting therefrom a plurality of longitudinally extending ribs, the ribs being grindable to a predetermined radius.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: November 13, 1979
    Assignee: Paper Converting Machine Company
    Inventor: Richard J. Charles
  • Method of lapping webs and product
    Patent number: 4163548
    Abstract: A method of lapping webs to provide a product suitable for zig-zag folding or rewinding wherein a web is advanced from each of a pair of parent rolls, the web transversely severed into discrete identical sheets which are then lapped no more than one-third the length of each sheet, and thereafter the lapped sheets from each parent roll are combined in staggered reverse relationship whereby all exposed edges face one direction.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: August 7, 1979
    Assignee: Paper Converting Machine Company
    Inventor: Ernst D. Nystrand
  • Apparatus for making a connected series of stuffed sealed envelope assemblies
    Patent number: 4161091
    Abstract: Apparatus for making a connected series of stuffed sealed envelope assemblies (conventionally referred to as "mailers") wherein a knife roll serves to control the advance of a return envelope toward a web providing an insert ply after which the knife severs the insert ply web along transverse terminal edges and without intermediate die cut connecting portions to provide the insert ply as fully useable segments (no waste) along with the series of return envelopes for envelopment between continuous webs to provide a series of mailers.
    Type: Grant
    Filed: March 8, 1978
    Date of Patent: July 17, 1979
    Assignee: Paper Converting Machine Company
    Inventor: Richard E. Hartnig
  • Method for transverse cutting
    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
  • Method for coating using an open-ended ink chamber having restrictions for partially limit ink flow
    Patent number: RE30819
    Abstract: A method .[.and apparatus.]. for coating wherein the horizontal flow of coating liquid is restricted adjacent the ends of the coating roll to overcome foaming by high flow rates of liquid flow while avoiding fouling of the roll journals.
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: December 8, 1981
    Assignee: Paper Converting Machine Company
    Inventor: Edwin K. Schaeuble