Sheet-material associating – Associating and folding – Zigzag package
Patent
1978-06-23
1980-01-15
Sewell, Paul T.
Sheet-material associating
Associating and folding
Zigzag package
83488, B65H 2946
Patent
active
041835140
ABSTRACT:
In an automatic system for spreading material, such as fabric, rolled on bolts, a spreading portion includes a driven carriage supported for reciprocal movement over a fixed table and between two spaced catcher assemblies mounted on the table. A tensionless loop is maintained in the material as it is fed from a bolt carried by the carriage and spread over the table. Maximization of the spreading operation without damaging the material is accomplished by making the rate of carriage travel responsive to the rate of material feed. The catcher assemblies prevent the material from following the carriage upon each direction reversal, after which cutting means therein severs each end loop. A storage and loading portion is preferably utilized with the spreading portion. The storage and loading portion includes a conveyor for advancing bolts of material into engagement with an elevator assembly, which reloads the carriage. A microprocessor is utilized to control operation of the entire system. If desired, one of the catcher assemblies can be removably attached to the table to provide for selective material spread lengths.
REFERENCES:
patent: 417092 (1889-12-01), Rembert
patent: 429640 (1890-06-01), Rembert
patent: 475117 (1892-05-01), Ivens
patent: 502192 (1893-07-01), Ivens
patent: 3567211 (1971-03-01), Martin
patent: 3782649 (1974-01-01), Frederick
patent: 3823629 (1974-07-01), Bleimund
patent: 3941366 (1976-03-01), Feld
patent: 3941367 (1976-03-01), Stumpf
patent: 3951398 (1976-04-01), Stumpf
patent: 3982745 (1976-09-01), Weil
patent: 4082258 (1978-04-01), Smith
Early Judson H.
Off Joseph W. A.
Haggar Company
Heinz A.
Sewell Paul T.
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