| 摘要 |
1,075,567. Sheet forming; laminates. WOODALL INDUSTRIES Inc. March 22, 1966 [June 18, 1965], No. 12628/66. Addition to 936,088. Headings B5A and B5N. A process for forming hollow articles, e.g. trim panels, from spaced apart plastic sheets as disclosed in Specification 936,088 modified in that the cooling of the formed article is expedited by pressing it intimately against the forming dies by injecting gas, e.g. air, under pressure between the formed and fused sheets. |
