Packing paper receiving and folding method and apparatus

Details Packing paper receiving and folding method and apparatus Packing paper receiving and folding method and apparatus

1986-01-06

1987-06-23

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Rigid container

493 84, 493164, 493910, 53234, 53575, B31B 700

Patent

active

046749977

ABSTRACT:
Packing paper receiving and folding method and apparatus are disclosed. The method has the steps of receiving and supporting a packing paper through an opening portion defined between suction arms of a suction ring; moving an arbor into the suction ring accompanying packing paper folded in a U-shape through the opening portion; effecting body folding of the packing paper using the arbor as a core member; and effecting flaps folding within the suction ring while properly maintaining the state of the body folding. The apparatus has a rotatable suction ring including a bracket, a pair of suction arms pivotable with respect to the bracket, the other ends of the suction arms defining an opening portion therebetween so that an arbor can enter therethrough, folding claws mounted on the insides of the suction arms and a bottom clamp positioned in the opening portion; a U-clamp provided within the suction ring for body folding; and a seaming clamp approaching to and departing from the arbor.

REFERENCES:
patent: 2931276 (1960-04-01), Zerlin
patent: 3579952 (1971-05-01), Davies et al.
patent: 4183191 (1980-01-01), Focke
patent: 4330976 (1982-05-01), Blackall et al.

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