Method and apparatus for the mechanical packing of a tubular segment shirred onto a shirring tube
OwnerGunter Kollrossinventor
Life of this patent
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Abstract
A tubular shirred formation (34) is covered by a previously shirred tubular net (38), which is held ready on a supply drum (36), with one end (42) closed and, with axial insertion, the tubular shirred formation (34) is covered, and then the other end is closed off. To simplify the device and to avoid an axial expansion of the tubular shirred formation (34) before packing, its axial insertion into the closed tubular net (38) and the covering of the tubular shirred formation take place while the tubular shirred formation is still seated on the shirring tube (16). Before covering the tubular shirred formation (34) is compressed further by pushing its front end against a stop (64) which is fixed in the axial direction.
Claims22
A method of mechanically packing a tubular casing segment comprising the step of:
- shirring the tubular casing segment on a shirring tube to form a tubular shirred formation;
- providing a supply of tubular shaped covering material in a shirred condition with one end closed;
- axially thrusting a front end of the shirred formation against the closed end of the covering material and introducing the remainder of the shirred formation into the covering material while the shirred formation is seated on the shirring tube to form a covered formation;
- gripping the covered formation about a periphery thereof;
- withdrawing the shirring tube from a rear end of the shirred formation as the covered formation is gripped and from a region between the covered formation and the supply of the covering material;
- radially crimping a trailing portion of the covering material in the region;
- sealing off of the trailing protion of the covering material in the region;
- and
- cutting through the trailing portion of the covering material in the region to form a rear end for the covered formation and a new closed end for the supply of the tubular shaped covering material.
Apparatus for shirring and packing tubular casing comprising a shirring tool generating tubular shirred formations of the casing on at least one shirring tube which shirring tube is laterally movable between several positions and has a pull-off collar slidably mounted thereon, a hollow storage drum carrying on an outer peripheral surface thereof, a supply of axially shirred tubular covering material, a close-off and cutting device for the covering material and a gripper device for holding the enclosed tubular shirred formations about the periphery during sealing of the covering material, wherein the storage drum, the close-off and cutting device and the gripper device are arranged as a unit in a shirring tube position in alignment with the shirring tube and this unit and the shirring tube are movable relative to one another in such a way that the shirring tube is feedable through the storage drum into the gripper device and is again withdrawable from the storage drum.
Dependencies are inferred from the claim text.