Reinforced sound absorbing patents

Acoustically treated structurally reinforced sound absorbing panel

Filed: November 17th, 2000 [Granted]

Patent Number: 6439340

1 ACOUSTICALLY TREATED STRUCTURALLY REINFORCED SOUND ABSORBING PANEL BACKGROUND OF THE INVENTION 5 1. Field of the Invention This invention relates to a ...

Sound absorbing component

Filed: November 12th, 1996 [Granted]

Assignee: Sumitomo Chemical Company Limited Kawasaki Steel Corporation K-Plasheet Corporation

Patent Number: 5981046

It is also possible to improve the sound absorbing property more by forming an irregular configuration on the surface of the fiber-reinforced thermoplastic ...

Fiber-Reinforced Heat-Resistant Sound-Absorbing Material and Process for ...

Filed: February 17th, 2005 [Pending]

Assignee: ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO LTD UBE INDUSTRIES LTD

Patent Application Number: 10599281

[0020] According to the constitution and the process of the present invention, a fiber-reinforced heat-resistant sound-absorbing material is produced using ...

Decorative interior sound absorbing panel

Filed: April 6th, 2004 [Granted]

Assignee: Azdel Inc

Patent Number: 7318498

1 DECORATIVE INTERIOR SOUND ABSORBING PANEL BACKGROUND OF THE INVENTION 5 This invention relates generally to fiber reinforced thermoplastic polymer sheets, ...

Perlite sound absorbing plate and sound insulating wall composed of the same

Filed: July 25th, 1978 [Granted]

Assignee: Bridgestone Tire Co Ltd

Patent Number: 4160491

The reinforcing plates 30, 31 may be reinforced by iron bars embedded therein. The above mentioned sound absorbing material 1, supporting columns 20, ...

Noise attenuating and air streamlining spiral

Filed: December 1st, 1986 [Granted]

Patent Number: 4786231

BRIEF SUMMARY OF THE INVENTION 50 The invention provides for an air inlet assembly for a fan unit comprising strips of sound absorbing material reinforced ...

SOUND ABSORBING AND HEAT INSULATING

Filed: October 26th, 1935 [Granted]

Assignee: Zonolite Corporation of Michigan

Patent Number: 2078454

A sound absorbing and heat Insulating duct 35 comprising in combination a foraminated reinforcing member shaped in the form of a duct, a plaster coating of ...

Covering Element Comprising a Sound Absorbing Element

Filed: September 25th, 2007 [Pending]

Patent Application Number: 12442931

[0038] It is recommended that the fibre-reinforced thermoplastic plastic ... [ 0046] The sound-absorbing element is preferably arranged on both sides of the ...