Title:
【発明の名称】ボ-ルの製造方法
Document Type and Number:
Japanese Patent JPS5829112
Kind Code:
B2
Abstract:
A method of manufacturing a ball for use in volleyball or soccer includes the steps of manufacturing a spherical hollow body of a brittle material, sticking cloth strips in an overlapping manner on the spherical hollow body to provide a bag body, cutting a predetermined portion of the bag body to make an opening thereon, collapsing the spherical hollow body in the bag body into pieces, taking the collapsed pieces out of the bag body through the opening, putting a tube having a valve through the opening into the bag body, sticking rubber ribbons on places corresponding to the overlapping portions of the cloth strips, and sticking leather sheets on the rubber ribboned bag body to provide an outer layer for the ball.
Inventors:
TAKAZAWA KAZUYASU
Application Number:
JP1087578A
Publication Date:
June 20, 1983
Filing Date:
February 02, 1978
Export Citation:
Assignee:
TACHIKARA KK
International Classes:
A63B41/12; A63B41/00; A63B45/00; B29D22/04; (IPC1-7): A63B45/00; A63B41/00
Attorney, Agent or Firm:
Nakamura Masami