| 摘要 |
938,354. Batteries. UNION CARBIDE CORPORATION. May 16, 1960 [June 2, 1959 (2)], No. 17116/60. Drawings to Specification. Class 53. An electric battery is potted in foamed polyurethane resins which is subsequently cured at 125‹ F. The compressive force necessary to maintain good mechanical and electrical contact between cells is supplied by the resin. Specification 912,911 is referred to. |
