Manufacturing container or tube from paper; or other manufacturi – Container making – Pliable container
Patent
1980-11-10
1982-10-05
Coan, James F.
Manufacturing container or tube from paper; or other manufacturi
Container making
Pliable container
493195, B31B 184
Patent
active
043526691
ABSTRACT:
An automated system is provided for manufacturing flexible plastic blood containers (10) having closed ports (22, 24) and a donor tube (26) extending from one end (20) of the containers. First (12a) and second (12b) webs of plastic material are conveyed to a port sealing station. Mandrels (71-85) are provided intermediate the first and second webs at the port sealing station. The mandrels are moved forwardly through both webs so that the front ends of the mandrels extend past opposed ends of the webs to engage the closed ports and donor tubes. The mandrels are retracted to bring the closed ports and donor tubes intermediate the opposed ends of the webs, and the opposed ends are heat sealed to each other. The mandrels are retracted further to disengage from the closed ports and donor tubes. The webs are conveyed to sealing and cutting stations (64, 66) to seal the sides and other end of the webs and to cut the webs transverse their direction of conveyance.
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patent: 3283671 (1966-11-01), Campbell, Jr.
patent: 3868891 (1975-03-01), Parish
patent: 4027577 (1977-06-01), Thompson et al.
patent: 4166412 (1979-09-01), Versteege
patent: 4313904 (1982-02-01), Larkin et al.
Baxter Travenol Laboratories Inc.
Caruso John A.
Coan James F.
Flattery Paul C.
Gerstman George H.
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