B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/49, 154/8.06
B31B 1/28 (2006.01) B29C 53/60 (2006.01) B31C 7/02 (2006.01) B65D 3/06 (2006.01)
Patent
CA 1136464
ABSTRACT OF THE DISCLOSURE A machine for producing the bodies of conical receptacles having an inner annular bottom shoulder. The receptacles are intended to be made from pasteboard and cardboard waste material in the form of narrow, strip-like webs. The machine comprises the following main parts: a rotatably driven shaping member having a conical jacket face, a support frame holding a web of material in the form of a narrow strip wound into a roll, which web is intended to be used to form the conical bodies of the receptacles by being wound about the shaping member, a device adapted to releasably secure the starting end of the web of material to the smaller end of the shaping member, and a device to effect axial displacement of the shaping member relative to the support frame during the rotation of the shaping member for the purpose of winding the web of material in helical winding turns around the conical jacket face of the shaping member while ensuring that the discrete winding turns only partly overlap in this area and adhere to each other by means of an adhesive. It is characteristic of the invention that at its snaller end, the shaping member is provided with a cylindrical portion the diameter of shich is slightly smaller than the smallest diameter of the conical jacket face of the shaping member, that a guide lid is arranged to be moved towards the smaller end of the shaping member so as to cover said end for the purpose of guiding the web of material, while the latter is being wound onto the shaping member, that a pair of clamping jaws are arranged at the smaller end of the shaping member, one of the jaws being stationary while the other one is arranged for displacement towards and away from the stationary jaw to clamp the starting end of the web of material to the shaping member, and that a slit is provided in the cylindrical portion of the smaller end of the shaping member, which slit is open towards the smaller end of the shaping member 80 as to allow reception therein of the starting end of the web.
354709
Haskett
Inlands Aktiebolag
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