Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1983-06-06
1985-11-05
Christian, Leonard D.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 55, 53118, 53430, B65H 2966, B65H 524, B65H 528
Patent
active
045508836
ABSTRACT:
An apparatus which can store successive sheets of a stream of sheets between the convolutions of bands which are wound onto successive cores has a transporting unit defining for the sheets an elongated path, and a pair of feed screws which are disposed above and extend longitudinally of the path and serve to simultaneously support a core as well as a fully grown roll including a core, a band which is convoluted therearound and a supply of sheets which are confined between the convolutions of the band. The feed screws can be rotated to move the core and/or the roll thereon lengthwise of the path through a distance which at least matches the radius of a core plus the radius of a roll. A lever which is indexible through angles of 180 degrees is mounted below the path and carries a full reel and an expiring or empty reel for the band. The band extends from the full reel or from the expiring reel to an empty core or to a growing roll on the feed screws, and the core or the growing roll is rotated to draw the band from the respective reel. The band which is stored on a full reel is attached to an empty core before or immediately after the band which is supplied by the expiring reel is fully convoluted onto the respective core. The band which extends between a reel and a core intersects the path for the sheets so that it can receive sheets from the transporting unit while advancing from an expiring reel toward the respective core. The apparatus can be converted for evacuation of sheets from full rolls by connecting the leader of a band which is convoluted onto the core of a fully grown roll to an empty reel and by driving the empty reel so that the band is wound onto such reel and delivers stored sheets to the transporting unit.
REFERENCES:
patent: 912330 (1909-02-01), Stilwell
patent: 964130 (1910-07-01), Stilwell
patent: 3360209 (1967-12-01), DeRochi
patent: 4063693 (1977-12-01), Achelpohl et al.
patent: 4129265 (1978-12-01), Baudy, Jr.
patent: 4200245 (1980-04-01), Bugnone
patent: 4438618 (1984-03-01), Honegger
Christian Leonard D.
Doigan Lloyd D.
Grapha - Holding AG
Kontler Peter K.
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