| 摘要 |
1,268,733. Laminates. REEVES BROS. Inc. 28 May, 1970 [18 Nov., 1969], No. 25700/70. Heading B5N. [Also in Divisions C3 and D1] Polyurethane foam which has been reticulated by applying a hydrodynamic force to the foam, the force being sufficient to rupture substantially all of the cellular membranes without destroying the skeletal structure of the foam, may be flame laminated to textile materials such as cellulose acetate tricot fabric. |
