Sheet-material associating – Associating or disassociating – Sheet associating
Patent
1974-02-11
1977-02-22
Michell, Robert W.
Sheet-material associating
Associating or disassociating
Sheet associating
B65H 4500
Patent
active
040088871
ABSTRACT:
Apparatus and method for folding material, particularly bulky textile material and the like which is to be packaged. A plurality of pivotal folding flap plates are provided for sequentially applying folds to the material. In order to prevent unfolding or undesired shifting of the material during the folding operation, gripping devices are provided at several of the movable folding plates, which gripping devices are movable between a position gripping the material against the respective folding plate and a non-gripping position. In a preferred embodiment of the invention, the gripping members are constructed as C-shaped fingerlike elastic elements mounted on rotatable gripper shafts, which gripper shafts are connected to rotatable flexible shafts and a control mechanism for sequentially controlling the rotation of the flexible shaft. A cam, lever, and gear arrangement is provided for rotating the flexible shaft in a preferred embodiment of the invention. The method of the invention includes gripping the material against the plates during the folding operations.
REFERENCES:
patent: 1222459 (1917-04-01), Phillippie
patent: 3148807 (1964-12-01), Freeman
patent: 3167223 (1965-01-01), Weiss
Michell Robert W.
Millin V.
Stahlecker Fritz
Stahlecker Hans
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