Patent ID: 11876430
Assignee: ADLER PELZER HOLDING GMBH
Field: Surface technology, coating (Chemistry)
Classification: CPC H  B  G | IPC B  G  H

Claim 0:
1. An apparatus for sound insulation of a machine, with
a sleeve which has a sound-absorbing composite material wall with a plastic carrier layer with a Shore-A-hardness in the range from 66 to 90, in particular in the range from 70 to 85, as outer layer and a sound-absorbing layer as inner layer,
wherein the composite material wall has two edge regions which lie against and/or above one another and each have a boundary edge configured to be connected to one another and/or to one another by at least one plug-in connection arrangement,
wherein the at least one plug-in connection arrangement has a plug-in tab arranged in the one first edge region of the composite material wall and a receiving element which is arranged in the other second edge region of the composite material wall and into which the plug-in tab can be plugged,
wherein the plug-in tab has a web which has an end connected to the plastic carrier layer and an end section facing away from this end with an insertion end and an upper side and a lower side,
wherein the web has at least one locking recess on the underside of its end portion, and
wherein the receiving element of the at least one plug-in connection arrangement has an insertion opening facing the first edge region for the insertion end and at least a part of the end portion of the web of the plug-in tab and a locking projection arranged in front of the insertion opening in the second edge region as viewed in the direction of insertion of the plug-in tab into the insertion opening, which, when the insertion end of the web of the plug-in tab is received by the insertion opening, is immersed in the locking recess on the underside thereof.