Package making – Interrelated or safety controls
Patent
1974-11-04
1976-03-02
McGehee, Travis S.
Package making
Interrelated or safety controls
53 59R, 53183, 53193, B65B 5714, B65B 916
Patent
active
039409066
ABSTRACT:
A supply of hose-shaped wrapping material is pleated axially and fits telescopically about the outer surface of a forming tube. A portion of the wrapping material extends over the upper rim of the tube and downwardly through the tube bore to a position below the lower rim of the tube where it is fastened in a tightly gathered together manner. A gate, positioned below the lower rim of the tube, supports articles fed into the wrapping material in the tube bore. This gate is movable to a position which allows the articles and wrapping material to drop downwardly through the bore to a position below the gate. Such downward movement of the wrapping material draws another portion of wrapping material into the bore of the forming tube. By supporting the wrapping material and accumulated articles at a position above the fastened end of the wrapping material, the lowermost article within the wrapping material will drop from the position of support to the fastened end of the wrapping material upon removal of the support. This results in a downward pull on the wrapping material to break up any bridging of articles in the tube. After one batch of articles in the wrapping material has dropped below the gate, the gate returns to a position underlying the forming tube for supporting another batch of articles while the wrapping material below the gate and above the first batch of articles is being fastened and severed to provide the completed article package.
REFERENCES:
patent: 2113636 (1938-04-01), Vogt
patent: 2380647 (1945-07-01), Henderson
patent: 2656658 (1953-10-01), Grady
patent: 3200559 (1965-08-01), Curtis
patent: 3553924 (1971-01-01), Bonami
patent: 3726060 (1973-04-01), McMillan
Leckband Lee M.
Taatjes Steven W.
Edwards J. W.
FMC Corporation
Kelly R. S.
McGehee Travis S.
Tripp C. E.
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