Cup bottom finishing station for a cup making machine

Details Cup bottom finishing station for a cup making machine Cup bottom finishing station for a cup making machine

1994-09-15

1996-10-29

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493106, 493156, 156 69, B31B 132

Patent

active

055691439

ABSTRACT:
A workstation for use with a turret type cup making machine is disclosed. The workstation is designed for sealing and finishing the bottom regions of paperboard style cups. A finishing wheel is mounted to a pair of nested housings that are configured to move the finishing wheel in a radially outward direction when one housing is rotated with respect to the other. Thus, the finishing wheel is moved longitudinally into the recessed bottom of a cup and then one housing is rotated with respect to the other forcing the finishing wheel radially outwardly until it contacts the bottom of the cup including portions of the sidewall blank and the bottom blank. This radial movement squeezes the cup bottom between the finishing wheel and an annular abutment wall. Meanwhile, the housings and finishing wheel are rotated together to drive the finishing wheel about the perimeter of the cup bottom to squeeze and seal the sidewall blank to the bottom blank.

REFERENCES:
patent: 2216331 (1940-10-01), Swallow
patent: 3745891 (1973-07-01), Bodendoerfer
patent: 4349345 (1982-09-01), Bodendoerfer
patent: 4409045 (1983-10-01), Busse
patent: 4490130 (1984-12-01), Konzal et al.
patent: 4571233 (1986-02-01), Konzal
patent: 5324249 (1994-06-01), Konzal

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