Title:
VISCOELASTIC SOUND-BLOCKING MATERIAL WITH FILLER OF HIGH DENSITY PARTICLES
United States Patent 3424270
US Patent References:
Method for saturation of fibrous material
- - 2343600
Method of molding
- - 2391489
Sound deadener and absorber
- - 3056707
Soundproofing panel structure
- - 3087566
Flexible sound attenuating material
- - 3253947
Method for saturation of fibrous material
- - 2343600
Method of molding
- - 2391489
Sound deadener and absorber
- - 3056707
Soundproofing panel structure
- - 3087566
Flexible sound attenuating material
- - 3253947
Inventors:
Hartman, Seymour
Sullivan, Francis F.
Sullivan, Francis F.
Publication Date:
01/28/1969
View Patent Images:
Export Citation:
Assignee:
US PLYWOOD CHAMP PAPERS INC
Primary Class:
Other Classes:
156/281, 181/294
International Classes:
C08K3/30; C08L7/00; C08L9/02; E04B1/82; E04B1/86; E04B1/74; C08K3/00; C08L9/00; E04B1/84; E04B1/99; G10K11/04
Foreign References:
| CA604197A | ||||
| DE810661C | ||||
| GB909838A |