Apparatus for cutting a packaging material for a package
AssigneeRobert Bosch GmbH
InventorsJuergen Ippers, Ulrich Wieduwilt
Life of this patent
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Abstract
The invention relates to an apparatus for cutting a packaging material (4) for a package, comprising an ultrasonic welding device (2) that includes a sonotrode (3) and an anvil (5) for sealing the packaging material (4), the sonotrode (3) being rotatable about a first axis of rotation (X) and the anvil (5) being rotatable about a second axis of rotation (Y). The apparatus further comprises a cutting device (6) which includes at least one knife (7) for cutting the packaging material (4) and which is arranged within the anvil (5). The invention is characterized in that the knife (7) has a blade (8) with a cutting edge (28) that includes at least two tips (33, 35) and at least two curved sections (22) interconnecting the two tips (33, 35).
Claims19
An apparatus for cutting a packaging material (4) for a package, comprising:
- an ultrasonic welding device (2) that includes a sonotrode (3) and an anvil (5) for sealing the packaging material (4), the sonotrode (3) being rotatable about a first axis of rotation (X) and the anvil (5) being rotatable about a second axis of rotation (Y), and
- a cutting device (6) which includes at least one knife (7) for cutting the packaging material (4) and which is arranged within the anvil (5), characterized in that the knife (7) has a blade (8) with a cutting edge (28) that includes at least two tips (33, 35) and at least two curved sections (22) interconnecting the two tips (33, 35), wherein the cutting edge (28) comprises a straight section (42) which connects the at least two curved sections (22) to one another.
An apparatus for cutting a packaging material (4) for a package, comprising:
- an ultrasonic welding device (2) that includes a sonotrode (3) and an anvil (5) for sealing the packaging material (4), the sonotrode (3) being rotatable about a first axis of rotation (X) and the anvil (5) being rotatable about a second axis of rotation (Y), and
- a cutting device (6) which includes at least one knife (7) for cutting the packaging material (4) and which is arranged within the anvil (5), characterized in that the knife (7) has a blade (8) with a cutting edge (28) that includes at least two tips (33, 35) and at least two curved sections (22) interconnecting the two tips (33, 35), wherein the tip (33, 35) is alternately oriented once in the normal direction of one surface (31) and subsequently in the normal direction with respect to an other surface (31;
- 29).
An apparatus for cutting a packaging material (4) for a package, comprising:
- an ultrasonic welding device (2) that includes a sonotrode (3) and an anvil (5) for sealing the packaging material (4), the sonotrode (3) being rotatable about a first axis of rotation (X) and the anvil (5) being rotatable about a second axis of rotation (Y), and
- a cutting device (6) which includes at least one knife (7) for cutting the packaging material (4) and which is arranged within the anvil (5), characterized in that the knife (7) has a blade (8) with a cutting edge (28) that includes at least two tips (33, 35) and at least two curved sections (22) interconnecting the two tips (33, 35), wherein the at least one knife (7) is disposed at the anvil (5) such that a minimum spacing (S) is maintained between the sonotrode (3) and the blade (8) of the knife (7);
- thus enabling the packaging material (4) to be severed without contact between said sonotrode (3) and said knife (7).
Dependencies are inferred from the claim text.