Title:
METHOD AND APPARATUS FOR FORMING LAYER BY INJECTING POROUS URETHANE ON CARPET AND CARPET BACK LINER
Document Type and Number:
Japanese Patent JPS53122873
Kind Code:
A
Abstract:
A method of forming a layer of blown cellular urethane on a carpet backing comprising the steps of providing a mixture of reactive urethane forming agents, shaping the reactive mixture into a layer upon a latex film, applying the underside of a heated carpet backing directly to the layer of reactive mixture, and heating the layer of reactive mixture to expedite reaction of the reactive mixture and chemical blowing of the reactive mixture into an enlarged layer of cellular urethane on the carpet backing between the backing and the latex film. Apparatus for performing the method is disclosed as is the resultant product.
Inventors:
JIYOON JII TEIROTSUTOSON
Application Number:
JP3615978A
Publication Date:
October 26, 1978
Filing Date:
March 30, 1978
Export Citation:
Assignee:
TILLOTSON JOHN G
International Classes:
B32B5/20; A47G27/00; A47G27/02; B05D1/26; B29B7/00; B29C39/00; B29C39/16; B29C39/18; B29C39/38; B32B5/24; D06N3/14; D06N7/00; (IPC1-7): A47G27/00; B05D1/26; B29D27/04; B32B5/20; B32B5/24; D06N3/14
Domestic Patent References:
| JP42023993A | ||||
| JP43027517A | ||||
| JP46012556A |