Patents Assigned to Paper Converting Machine Company
  • Coreless surface winder and method
    Patent number: 5402960
    Abstract: A coreless surface winder and method wherein one of the winding rollers is accompanied by a slightly spaced apart arcuate dead plate which operates to cause a folded leading edge on a transversely severed web to roll upon itself and develop an incipient log which thereafter is completed in a conventional three roll cradle to provide a coreless retail sized roll.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: April 4, 1995
    Assignee: Paper Converting Machine Company
    Inventors: Lawrence J. Oliver, Richard J. Vigneau
  • Apparatus and process for making disposable diaper type products
    Patent number: 5389173
    Abstract: Apparatus for producing disposable diaper type products such as diapers per se and training pants in which leg elastic strands are captured between a pair of webs which are thereafter united with a fluff pad-equipped web and wherein guide members are employed for traversing the elastic strands to abut leg openings in the diaper type product.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: February 14, 1995
    Assignee: Paper Converting Machine Company
    Inventors: John R. Merkatoris, Gary E. Johnson
  • Surface rewinder and method
    Patent number: 5370335
    Abstract: A surface rewinder and method wherein a three drum cradle includes spaced apart first and second winding drums and wherein the speed profile of the second winding drum is controlled to substantially eliminate slippage between the second winding drum and a web being wound on a core by increasing the speed of the second drum after passage between the space as a function of the increasing diameter of the roll being wound.
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: December 6, 1994
    Assignee: Paper Converting Machine Company
    Inventor: Richard J. Vigneau
  • Flexographic press adapted for short runs and method
    Patent number: 5370047
    Abstract: Flexographic press structure and operation which includes a plurality of decks each removably supporting a plate roll and an anilox roll with each roll including a sleeve rotatably mounted on a stationary mandrel and supported at the ends thereof, the press is equipped with a lifter at one end to free each roll from its support at the other end whereby the sleeve can be removed over the other end.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: December 6, 1994
    Assignee: Paper Converting Machine Company
    Inventor: Craig T. Compton
  • Apparatus for applying an elastic waistband to a disposable diaper
    Patent number: 5296080
    Abstract: A method and apparatus for applying an elastic waistband to disposable diapers utilizing canted pin-equipped wheels where an elastic patch is applied to the wheels when the wheel peripheries are close together and then stripping the patches from the pins and applying them to a diaper component web when the wheels are further apart.
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: March 22, 1994
    Assignee: Paper Converting Machine Company
    Inventors: John Merkatoris, James Hertel
  • Variable velocity conveying method and apparatus for continuous motion saws
    Patent number: 5289747
    Abstract: A method and apparatus for the operation of a skewed orbiting saw which is employed for transversely cutting continuously advancing elongated lengths of multi-ply material into shorter lengths, the means for varying the speed of advance of the lengths of material.
    Type: Grant
    Filed: February 4, 1993
    Date of Patent: March 1, 1994
    Assignee: Paper Converting Machine Company
    Inventor: Gary R. Wunderlich
  • Infeed apparatus for multi-level delivery of convolutely wound logs
    Patent number: 5257898
    Abstract: Infeed apparatus for multi-level delivery of convolutely wound logs which includes a plurality of log supporting wheels rigidly mounted on a cross shaft with each of the wheels having a periphery interrupted by a plurality circumferentially spaced inwardly extending pockets, alternate of the pockets being constructed for upper level delivery and the remaining for lower level delivery, each of the pockets having a trailing rear wall extending radially outward and a forwardly extending flat wall, the lower level pockets additionally having a generally radially extending forward, leading wall.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: November 2, 1993
    Assignee: Paper Converting Machine Company
    Inventor: Joseph A. Blume
  • Clamp assembly for bag producing machine
    Patent number: 5211619
    Abstract: In a bag making machine utilizing clamp bar assemblies in combination with a sealing drum, the improved clamp assembly wherein the clamp is coupled to a channel bight, the clamp and channel being related to the conventional pivot shaft by means of a circumferentially-extending pivot pin and with clearance between the channel and pivot shaft.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: May 18, 1993
    Assignee: Paper Converting Machine Company
    Inventor: Paul Ziegelhoffer
  • Method for producing raised leg cuff for diapers including two folding boards
    Patent number: 5190606
    Abstract: A method and apparatus for producing raised leg cuffs for diapers in which an elastic band is oriented in a straight line direction so as to be adhesively encapsulated between the fold portions of a diaper web while the same is passing through a folding board.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: March 2, 1993
    Assignee: Paper Converting Machine Company
    Inventors: John R. Merkatoris, William Van Ryzin
  • Printing apparatus and method
    Patent number: 5184556
    Abstract: A method and apparatus for printing for which turret having a plurality of fountain and doctor blade assembly is translatably, indexably mounted adjacent a transfer roll.
    Type: Grant
    Filed: February 18, 1992
    Date of Patent: February 9, 1993
    Assignee: Paper Converting Machine Company
    Inventor: Edwin K. Schaeuble
  • Apparatus and method for sharpening saw blades having planetary motion in transverse cutting
    Patent number: 5152203
    Abstract: A method and apparatus for sharpening saw blades having planetary motion in transverse cutting as for multi-ply webs in stacks or log rolls wherein a saw blade is carried on a planetary arm moving through an orbit skewed relative to the path of travel of the product to be cut, the grinding system being mounted on the planetary arm and including an adjustment arm carrying grinding stones; the adjustment arm being pivoted to bring the stones in contact with the blade and indexed so as to compensate for blade wear.
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: October 6, 1992
    Assignee: Paper Converting Machine Company
    Inventor: Larry Wierschke
  • Ink unit for printing press and method
    Patent number: 5125341
    Abstract: An ink unit for a printing press having a relatively elongated cylindrical roll and a relatively elongated ink fountain, the ink fountain being equipped with upper and lower doctor blades and with end seal members arranged at an angle of from about 25.degree. to about 65.degree..
    Type: Grant
    Filed: May 15, 1991
    Date of Patent: June 30, 1992
    Assignee: Paper Converting Machine Company
    Inventor: Felix R. Yaeso
  • Apparatus and method for making convolutely wound logs
    Patent number: 5104055
    Abstract: A surface winder for developing a convolutely wound log in which a core introduced into a winding nip is first rotated before engaging a web to effect cutoff and transfer.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: April 14, 1992
    Assignee: Paper Converting Machine Company
    Inventor: Gerry Buxton
  • Apparatus and method for printing plate cylinder--impression cylinder registration
    Patent number: 5083511
    Abstract: Apparatus and method for printing plate cylinder--impression cylinder registration for a multi color flexographic press wherein pin means are provided on the plate cylinder gear and finger means provided on the impression cylinder gear and when the two come in contact upon rotation of the impression cylinder gear, the plate cylinder gear rotates through a small arc during which time the gears are brought into meshing engagements.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: January 28, 1992
    Assignee: Paper Converting Machine Company
    Inventors: James E. Hertel, Dale E. Zeman
  • Method of forming and bonding fluff pads
    Patent number: 5064484
    Abstract: A method of forming and bonding fluff pads for diapers and the like wherein both the steps of forming and bonding are performed on the same vacuum drum.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: November 12, 1991
    Assignee: Paper Converting Machine Company
    Inventors: Grantland A. Craig, Gary E. Johnson
  • Method of controlling bulk in folded webs
    Patent number: 5061230
    Abstract: A method of controlling stack back pressure in folding apparatus incorporating sensing the bulk of a stack issuing from folding rolls, forming a signal corresponding to the sensed bulk, comparing the signal with a predetermined signal range and changing the size of an embossing nip gap or pressure whenever the signal is outside of the range.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: October 29, 1991
    Assignee: Paper Converting Machine Company
    Inventors: Gerry Buxton, Larry Wierschke, James E. Hertel
  • Apparatus and method for cutoff register control for diaper machines
    Patent number: 5045135
    Abstract: Apparatus and method for cutoff register control for diaper machines wherein an advancing diaper web is sensed by strobe light imaging in connection with a point fixed in space to produce a distance value between the leading edge of the diaper pad and the fixed point, comparing the image distance with a predetermined value and then adjusting the means for cutoff and strobe trigger to bring the distance and picture within the value range.
    Type: Grant
    Filed: November 15, 1990
    Date of Patent: September 3, 1991
    Assignee: Paper Converting Machine Company
    Inventors: George H. Meissner, Bart C. Hardy, Timothy M. LeRoy
  • Method and apparatus for forming fluff pads for diapers and the like
    Patent number: 5044052
    Abstract: A method and apparatus for forming fluff pads and the like wherein fluff particles are drawn from a hammermill through a plurality of ducts through a moving screen under vacuum and wherein the ducts are characterized by reverse bends to densify the particle stream at the outside of the curvature for generally perpendicular deposition on the screen.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: September 3, 1991
    Assignee: Paper Converting Machine Company
    Inventors: James E. Hertel, John Merkatoris
  • Apparatus and method for stacking
    Patent number: 5040663
    Abstract: Apparatus and method for stacking product such as flexible paper towels including a slotted wheel in combination with at least two endless chain conveyors equipped with finger assemblies which are orbitally offset so that while one finger assembly of one chain conveyor is accumulating a plurality of substacks, a first finger assembly of the other chain conveyor is being readied to take over the development of a successive stack, and programmable servo motor associated with the chain conveyors for varying the finger assembly advance during different portions of the orbital movement of the finger assemblies.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: August 20, 1991
    Assignee: Paper Converting Machine Company
    Inventors: Steven G. Gould, James E. Hertel
  • Sealing assembly for liquid fountain
    Patent number: 5012736
    Abstract: A sealing assembly for a liquid fountain such as is employed in flexographic printing and which is especially adapted for the split color printing wherein a foam layer separates the various ink compartments and is equipped with a liquid flow slot in the portion facing the liquid metering roll so as to provide limited axial flow of a slot liquid which is compatible with the ink in the various compartments.
    Type: Grant
    Filed: October 19, 1989
    Date of Patent: May 7, 1991
    Assignee: Paper Converting Machine Company
    Inventors: Eugene M. Van Kanegan, Wayne D. Klimek