| 摘要 |
871,704. Balls for skittles. BRUNSWICKBALKE-COLLENDER CO. Feb. 10, 1960 [March 9, 1959], No. 4663/60. Drawings to Specification. Class 132(2). A ball for skittles consists of a sawdust core impregnated with a rigid polyester resin and a flexible cured polyester cover. Colouring may be applied to the core or in The material of the cover. The core may be heavier in the half to be provided with fingerholes so that the final ball is balanced.
|
