1
John L Hirsch: Flying splice apparatus. Curt G Joa, Joseph P House Jr, August 15, 1978: US04106974 (73 worldwide citation)

Flying splice apparatus and method for splicing the leading end of a new web of rolled web material to a running web. The running web is trained between two coacting rotors respectively provided with coacting web press jaws. When a splice is to be made, the rotors are turned concurrently through a c ...


2
John L Hirsch: Adhesive tape bag closure. Curt G Joa, Joseph P House Jr, February 22, 1977: US04008851 (72 worldwide citation)

A strip of adhesive tape is relatively permanently attached at one end to a bag near the open end thereof and is strippably attached to the bag in the remaining portions of the tape. To close the bag, the strippable portion of the tape is stripped away from the bag, which is then puckered and desira ...


3
John L Hirsch, Edmund A Radzins: Method and apparatus for applying adhesive attaching tapes to pads. Curt G Joa, Joseph P House Jr, October 16, 1979: US04171239 (71 worldwide citation)

Method and apparatus for applying adhesive attaching tapes to pads, such as diapers, in which an elongated strip of adhesive tape having an adhesive face and a non-adhesive back is folded longitudinally about a hinge line to form tape wings having their non-adhesive backs together and their adhesive ...


4
John L Hirsch: Diaper packer. Curt G Joa, Joseph P House Jr, November 8, 1977: US04056919 (71 worldwide citation)

Apparatus for packing pads such as disposable diapers in shipping cartons includes one or more carriages having receptacles or bins with two open sides and an open top. The carriage moves the bins between a loading position where a stack of diapers is pushed into the bin and an unloading position wh ...


5
John L Hirsch, John A McCabe: Apparatus for transferring articles. Curt G Joa, Ryan Kromholz & Manion S C, November 18, 2003: US06648122 (70 worldwide citation)

An apparatus for transferring articles such as absorbent cores or disposable diaper chassis components from a rotary mechanism, such as a pad turner, to a linear mechanism, such as a conveyor for further processing. The invention provides a device for picking an article from the outside of a toroida ...


6
John L Hirsch, Mark L Wingender: Stacker with a yoke-type stripping device. Curt G Joa, Fuller Puerner & Hohenfeldt, February 7, 1989: US04802570 (64 worldwide citation)

A yoke-type stripper for an article stacker in which a series of paddles extending horizontally from vertically moving conveyor chains each carries an article that becomes a member of the stack. The stripper has rear and front rows of laterally spaced apart vertical bars. Carrier bars extending hori ...


7
John L Hirsch, Martin J Osypowski: Apparatus for rotating and compressing a stack of pads. Curt G Joa, Fuller Puerner & Hohenfeldt, July 12, 1988: US04756141 (59 worldwide citation)

A machine for conditioning a stack of pads, such as sanitary pads, for packaging includes a rotor. Radially extending chambers having closed sides and open front and rear ends are fastened to the rotor. There is a compressor plunger in each chamber. The plungers are carried on guide rods extending f ...


8
John L Hirsch, Ludwig W Freitag: Elastic band applicator and sheet folder. Curt G Joa, Fuller House & Hohenfeldt, January 8, 1985: US04492608 (58 worldwide citation)

In an elastic band applicator for diapers using hot melt glue, a longitudinally tensioned moving plastic backing sheet is run over a roll that is parallel to and spaced from a stationary cylinder. A shoe deflects the central region of the sheet away from its plane at a location between the roll and ...


9
John L Hirsch: Pad turner and inverter. Curt G Joa, Fuller Puerner & Hohenfeldt, June 21, 1988: US04751997 (56 worldwide citation)

Oblong articles such as sanitary pads moving in the direction of their length dimension are deposited on article carriers at the lower level of an ascending run of an input closed loop chain conveyor with corresponding one sides of the articles facing up. There are means for pivoting the carriers la ...


10
John L Hirsch, Gene A VanVoorst: Pad-cross folder. Curt G Joa, Fuller House & Hohenfeldt, April 2, 1985: US04508528 (55 worldwide citation)

In a cross-folder for flexible pads such as diapers a wide first conveyor belt runs over a segment of the periphery of a rotationally driven drum. A narrow second conveyor belt runs in parallelism with the first belt for transporting unfolded pads toward the drum and a third conveyor belt runs in pa ...