Title:
ボウリングピン、および、その製造方法
Document Type and Number:
Japanese Patent JP5473205
Kind Code:
B2
Abstract:
A bowling pin (1) including a body (3) having a head (7), a neck, a ball line portion (11), and a base (13) all integrally formed of a synthetic material. The body (3) includes a hollow area (15) and a longitudinal axis of the hollow area extends generally perpendicularly to a substantially planar bottom surface of the base. A method of manufacturing a bowling pin (1) includes providing a mold shell having a mold cavity shaped substantially as a bowling pin (1), disposing a mandrel inside a mold cavity, introducing material into the mold cavity, cooling the material inside the mold cavity, removing the mandrel from the mold cavity, removing the material from the mold cavity, and cooling the material outside the mold cavity.
Inventors:
Wayne white
Joe Infantino
Rodney Sea. Mallet
Ron Midge
Joe Infantino
Rodney Sea. Mallet
Ron Midge
Application Number:
JP2007264614A
Publication Date:
April 16, 2014
Filing Date:
October 10, 2007
Export Citation:
Assignee:
QUBICAAMF WORLDWIDE LLC
International Classes:
A63D9/00
Foreign References:
| US6196928 | ||||
| US4012386 |
Attorney, Agent or Firm:
Kazuhiro Kitazawa
Shin Koizumi
Akiko Ichikawa
Hiromi Matsushita
Shin Koizumi
Akiko Ichikawa
Hiromi Matsushita