| Patent Number |
Title Of Patent |
Date Issued |
| 4579774 |
Reinforced laminate |
April 1, 1986 |
| A reinforced laminate comprising(a) a foamed styrene resin sheet layer, and(b) thermoplastic resin layers reinforced with a mixture of glass fibers and organic fibers and laminated on both surfaces of the sheet layer (a). This laminate is suitable for use as a core material of a ceiling line |
| 4213925 |
Process for continuously producing foamed sheets |
July 22, 1980 |
| A plastic foamed sheet of excellent quality is produced by preheating in a chamber including a conveyor means for continuously conveying a thermoplastic resin sheet containing a heat-decomposable blowing agent in the horizontally supported state and a heating means for heating the sheet |
| 4124344 |
Apparatus for continuously producing foamed sheets |
November 7, 1978 |
| A plastic foamed sheet of excellent quality is produced by using an apparatus comprising a preheating chamber including a conveyor means for continuously conveying a thermoplastic resin sheet containing a heat-decomposable blowing agent in the horizontally supported state and a heati |
