Patents Assigned to Bemis Company, Inc.
  • Flap pull down case stripping apparatus
    Patent number: 3936043
    Abstract: A case magazine and case stripper part of a case opening, loader sealer machine, including longitudinal case slide rails for supporting a vertical stack of unopened, horizontal, flat folded cases, lug devices mounted on a carriage that is longitudinally reciprocated by an endless chain drive to remove the lowermost case from the stack and push the lowermost case forwardly along the slide rails as the carriage moves forwardly, vertical stack support magazine brackets locates adjacent the corners of the stack extending upwardly from adjacent the elevation of the slide rails, and being mounted to be selectively adjustably positioned longitudinally and transverse relative one another, vacuum cup assemblies on opposite transverse sides of the slide rails for pivoting transversely opposite lowermost flaps about fold lines to a given angle of inclination and then release the flaps, spring hold down mechanism for retaining the flaps at said angle while permitting the flaps to be translated forwardly and control mecha
    Type: Grant
    Filed: July 26, 1974
    Date of Patent: February 3, 1976
    Assignee: Bemis Company, Inc.
    Inventors: Gaylerd Lieder, Philip G. Rawlins
  • Case magazine and feed apparatus
    Patent number: 3933255
    Abstract: A case magazine and case stripper part of a case opening, loader sealer machine, including longitudinal case slide rails for supporting a vertical stack of unopened, horizontal, flat folded cases, pusher assemblies mounted on a carriage that is longitudinally reciprocated by an endless chain drive to remove the lowermost case from the stack and push the lowermost case forwardly along the slide rails as the carriage moves forwardly, vertical stack support brackets located adjacent the corners of the stack extending upwardly from adjacent the elevation of the slide rails, and being mounted to be selectively adjustably positioned longitudinally and transverse relative one another, and case lifter assemblies mounted on the stack support brackets for elevating that part of the stack that is located vertically above the slide rails more than a preselected distance, automatically allowing the elevated part of the stack to bear against that part of the stack still supported by the slide rails, and thereafter elevate
    Type: Grant
    Filed: December 6, 1973
    Date of Patent: January 20, 1976
    Assignee: Bemis Company, Inc.
    Inventors: Gaylerd M. Lieder, Harold K. Fox