Apparatus for transporting and bending web-shaped packing material
First Claim
1. An apparatus for transporting a longitudinally extending web (10, 35) of packaging material consisting of interconnected package blanks (11), said web having transversely extending, regularly spaced depressions on both opposite lateral sides thereof, said apparatus comprising:
- a rotatable conveying drum (28), having a generally cylindrical outer surface for carrying said web, having a rotational axis extending transversely relative to the carried web, and having two axially opposite lateral edges;
a plurality of regularly circumferentially spaced projections (29,
30) along each of said opposite lateral edges of said drum substantially corresponding in shape and size to said depressions,said projections (29,
30) being constantly and simultaneously in positive engagement with said depressions (25,
27) on said both opposite sides of the carried web to advance the carried web regularly, sychronously, and without slip, and extending both radially outwardly from said cylindrical surface and also axially inwardly from said lateral edges of said drum,each projection having an outer circumferential surface; and
means for rotating said drum to transport said web in the longitudinal direction thereof with said projections in constant and simultaneous engagement with the depressions on said both opposite lateral sides of the carried web.
1 Assignment
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Accused Products
Abstract
Apparatus for transporting a material web having lateral depressions (25, 27) arranged at regular distances from one another. For the transport of a material web (10, 35) of this type in the correct position, the web bears on a conveying drum (28) which has elevations (29, 30) for positive penetration into the depressions (25, 27). In a material web (10, 35) consisting of partially prepunched blanks (11), the conveying drum (28) serves, in cooperation with an auxilary drum (51), for forming bending points (49, 50), the material web (10, 35) being capable of being grasped by suction bores (52, 53), offset relative to one another in the circumferential direction, of the conveying drum (28), on the one hand, and of the auxiliary drum (51), on the other hand.
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Citations
12 Claims
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1. An apparatus for transporting a longitudinally extending web (10, 35) of packaging material consisting of interconnected package blanks (11), said web having transversely extending, regularly spaced depressions on both opposite lateral sides thereof, said apparatus comprising:
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a rotatable conveying drum (28), having a generally cylindrical outer surface for carrying said web, having a rotational axis extending transversely relative to the carried web, and having two axially opposite lateral edges; a plurality of regularly circumferentially spaced projections (29,
30) along each of said opposite lateral edges of said drum substantially corresponding in shape and size to said depressions,said projections (29,
30) being constantly and simultaneously in positive engagement with said depressions (25,
27) on said both opposite sides of the carried web to advance the carried web regularly, sychronously, and without slip, and extending both radially outwardly from said cylindrical surface and also axially inwardly from said lateral edges of said drum,each projection having an outer circumferential surface; and means for rotating said drum to transport said web in the longitudinal direction thereof with said projections in constant and simultaneous engagement with the depressions on said both opposite lateral sides of the carried web. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification