Device for changing web rolls automatically

Details Device for changing web rolls automatically Device for changing web rolls automatically

1992-10-30

1994-02-15

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 585, 242 64, B65H 1912, B65H 1918

Patent

active

052859789

ABSTRACT:
An automatic web roll changing device is adapted to automatically and continuously supply web rolls to a web supply-connection apparatus on which are replaceably mounted two web rolls from which webs are alternately and continuously drawn out and which connects the trailing end portion of the preceding web to the leading end portion of the following web. This device includes a rotary arm pivoted to the web supply-connection apparatus having, at both ends, hubs carrying the above-mentioned two web rolls, and a web roll storage-mounting unit provided opposite to the web supply-connection apparatus. The web supply-connection apparatus has a rotary head which is rotatable about a vertical axis. From the rotary head horizontally extend a plurality of web roll storing shafts for holding a plurality of web rolls so as to be slidable axially of the shafts. The web rolls on the storing shafts are moved toward the distal ends of the web roll storing shaft by driving units so as to be mounted on the hubs.

REFERENCES:
patent: 3257085 (1966-06-01), Riegger
patent: 4415127 (1983-11-01), Seragnoli
patent: 4564149 (1986-01-01), Barzavo
patent: 4597316 (1986-07-01), Ichikawa
patent: 4646986 (1987-03-01), Heitmann
patent: 5152472 (1992-10-01), Spang et al.

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