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US 6,668,837 B1Granted
Arrangement for reducing the noise level of tobacco-processing production machines
AssigneeHauni Maschinenbau AG
InventorUwe Heitmann
Life of this patent
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Abstract
In an arrangement for reducing noise level in a tobacco-processing production machine having an operator region and reflection surfaces facing the operator region, sound-damping material is disposed on the reflection surfaces facing the operator region.
Claims22
An arrangement for reducing noise level in a control area of production machines in a tobacco-processing industry, comprising in combination;
- at least two tobacco-processing production machines arranged at an angle to each other wherein the production machines have hollow wall element facing the control area, each said hollow wall elements having sieve perforated sheet metal panels facing the control area and reflection panels facing the respective production machine;
- and
- sound damping mats being arranged between the sieve perforated sheet metal panel and the reflection panel of each of the hollow wall elements.
Dependencies are inferred from the claim text.