Methods or apparatus for fitting, inserting or repairing different elements

Child Classifications

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• F01N 2450/02 Fitting monolithic blocks into the housing
• F01N 2450/04 Filling or emptying a chamber with granular material
• F01N 2450/06 Inserting sound absorbing material into a chamber
• F01N 2450/08 Repairing the housing or pipe-joints
• F01N 2450/10 Fitting temporarily exhaust apparatus on exhaust conduit, e.g. in confined environment, garage or the like
• F01N 2450/16 by using threaded joints
• F01N 2450/18 by using quick-active type locking mechanisms, e.g. clips
• F01N 2450/20 by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof
• F01N 2450/22 by welding or brazing
• F01N 2450/24 by bolts, screws, rivets or the like
• F01N 2450/26 by bayonet fittings
• F01N 2450/28 by using adhesive material, e.g. cement
• F01N 2450/30 Removable or rechangeable blocks or cartridges, e.g. for filters
• F01N 2450/40 Retrofitting exhaust apparatus