# US 8,783,324 B2 · Device for processing a packing material using ultrasound > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,783,324 B2 - Document ID: US8783324B2 - Status: Granted - Kind: B2 - Application number: 13/262,857 - Filed: 2010-02-26 - Published: 2012-03-29 - Granted: 2014-07-22 - Earliest claimed: 2009-04-09 - Assignees: Robert Bosch GmbH - Applicants: Juergen Ippers; Ulrich Wieduwilt - Inventors: Juergen Ippers; Ulrich Wieduwilt - Web page: https://patentgrep.com/patent/US8783324B2 ## CPC - B29C 65/087: {using both a rotary sonotrode and a rotary anvil} - B29C 66/0062: {of the joining tool, e.g. avoiding wear of the joining tool} - B29C 66/1122: {Single lap to lap joints, i.e. overlap joints (B29C66/45, B29C66/472, B29C66/52272 take precedence)} - B29C 66/4312: {for making flat seams in tubular or hollow articles, e.g. transversal seams} - B29C 66/80: {General aspects of machine operations or constructions and parts thereof} - B29C 66/8161: {said pressing elements being supported or backed-up by springs or by resilient material} - B29C 66/8163: {Self-aligning to the joining plane, e.g. mounted on a ball and socket} - B29C 66/8221: {Scissor or lever mechanisms, i.e. involving a pivot point} - B29C 66/8223: {Worm or spindle mechanisms} - B29C 66/82265: {Eccentric mechanisms} - B29C 66/8227: {using springs} - B29C 66/83411: {Roller, cylinder or drum types (B29C66/83431 takes precedence; rollers, cylinders or drums moving relative to and tangentially to the parts to be joined B29C66/8362)} - B29C 66/83511: {jaws mounted on rollers, cylinders or drums} - B29C 66/849: {Packaging machines} - B29C 66/9241: {by controlling or regulating the pressure, the force or the mechanical power} - B29C 66/92611: {by controlling or regulating the gap between the joining tools} - B29C 66/92653: {said stops being adjustable} - B29C 66/92655: {by using several stops} - B65B 51/225: {by ultrasonic welding} - B29C 66/8246: {Servomechanisms, e.g. servomotors} - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - B65B: MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING (bundling and pressing devices for cigars A24C1/44; devices for tensioning and securing binders adapted to be supported by the article or articles to be bound B25B25/00; applying closure members to bottles, jars or similar containers B67B1/00-B67B6/00; concurrent cleaning, filling and closing of bottles B67C7/00; emptying bottles, jars, cans, casks, barrels or similar containers B67C9/00) ## Abstract A device includes at least one bearing shield, at least one sonotrode which is rotatably mounted in the bearing shield, at least one anvil which interacts with the sonotrode to process the packing material, at least one other bearing shield to rotatably mount the anvil, whereupon a coupling mechanism is arranged to mechanically couple both bearing shields. The coupling mechanism is configured so that a relative motion between both bearing shields is made possible. ## Claims ### Claim 1 A device for processing a packing material by use of ultrasound, comprising: at least one bearing shield; at least one sonotrode which is rotatably mounted in the at least one bearing shield and defines a longitudinal axis about which the at least one sonotrode rotates; at least one anvil which interacts with the sonotrode in order to process the packing material; at least one further bearing shield for rotatably mounting the anvil; and at least one coupler configured to mechanically couple the at least one bearing shield and the at least one further bearing shield, wherein the coupler is designed so as to permit a relative movement between the at least one bearing shield and the at least one further bearing shield, and wherein the coupler is connected to the at least one bearing shield and the at least one further bearing shield in such a way the at least one bearing shield and the at least one further bearing shield are rotatable relative to one another about an axis that is generally parallel to the longitudinal axis of the at least one sonotrode. ### Claim 2 A device for processing a packing material by use of ultrasound, comprising: at least one bearing shield; at least one sonotrode which is rotatably mounted in the at least one bearing shield; at least one anvil which interacts with the sonotrode in order to process the packing material; at least one further bearing shield for rotatably mounting the anvil; and at least one coupler configured to mechanically couple the at least one bearing shield and the at least one further bearing shield, wherein the coupler is designed so as to permit a relative movement between the at least one bearing shield and the at least one further bearing shield, and wherein the coupler includes at least one bending beam. ### Claim 3 (depends on 1) The device as claimed in claim 1, wherein the coupler includes at least one joint or a bush-pin connection. ### Claim 4 (depends on 1) The device as claimed in claim 1, wherein at least one recess is provided in one of the at least one bearing shield and the at least one further bearing shield for influencing the bending characteristics of the coupler. ### Claim 5 (depends on 1) The device as claimed in claim 1, further comprising an adjusting mechanism configured to set a defined gap between the sonotrode and the anvil. ### Claim 6 (depends on 5) The device as claimed in claim 5, wherein the adjusting mechanism includes one of a servo drive, a piezoelectric actuator, and an eccentric disk. ### Claim 7 (depends on 1) The device as claimed in claim 1, further comprising at least one force mechanism configured to impart an opposing force between the at least one bearing shield and the at least one further bearing shield. ### Claim 8 (depends on 7) The device as claimed in claim 7, wherein the at least one force mechanism includes at least one setting mechanism configured to adjust the opposing force. ### Claim 9 (depends on 8) The device as claimed in claim 8, wherein the at least one force mechanism has at least one spring which is arranged such that the at least one bearing shield and the at least one further bearing shield are preloaded against one another. ### Claim 10 (depends on 9) The device as claimed in claim 9, wherein the force mechanism comprises at least one plunger which is connected both to the at least one bearing shield and also to the at least one spring. ### Claim 11 (depends on 1) The device as claimed in claim 1, wherein additional bearing shields are provided for two-sided mounting of the sonotrode and/or the anvil. ### Claim 12 (depends on 2) The device as claimed in claim 2, wherein the coupler includes at least one joint or a bush-pin connection. ### Claim 13 (depends on 2) The device as claimed in claim 2, wherein at least one recess is provided in one of the at least one bearing shield and the at least one further bearing shield for influencing the bending characteristics of the coupler. ### Claim 14 (depends on 2) The device as claimed in claim 2, further comprising an adjusting mechanism configured to set a defined gap between the sonotrode and anvil. ### Claim 15 (depends on 14) The device as claimed in claim 14, wherein the adjusting mechanism includes one of a servo drive, a piezoelectric actuator, and an eccentric disk. ### Claim 16 (depends on 2) The device as claimed in claim 2, further comprising at least one force mechanism configured to impart an opposing force between the at least one bearing shield and the at least one further bearing shield. ### Claim 17 (depends on 16) The device as claimed in claim 16, wherein the at least one force mechanism includes at least one setting mechanism configured to adjust the opposing force. ### Claim 18 (depends on 17) The device as claimed in claim 17, wherein the at least one force mechanism has at least one spring which is arranged such that the at least one bearing shield and the at least one further bearing shield are preloaded against one another. ### Claim 19 (depends on 18) The device as claimed in claim 18, wherein the force mechanism comprises at least one plunger which is connected both to the at least one bearing shield and also to the at least one spring. ### Claim 20 (depends on 2) The device as claimed in claim 2, wherein additional bearing shields are provided for two-sided mounting of the sonotrode and/or the anvil.