Metallic mold for injection-molding of golf balls

Details Metallic mold for injection-molding of golf balls Metallic mold for injection-molding of golf balls

1993-11-29

1995-04-18

Nguyen, Khanh

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Opposed registering coacting female molds

425573, 425577, 425DIG51, 2643289, B29C 4538

Patent

active

054073413

ABSTRACT:
A plurality of small-sized recesses are provided along outer peripheral edges of the openings of semispheric recessed portions in which a golf ball is injection-molded. These small-sized recesses form small-sized positioning juts along the parting line of a golf ball intended to be injection-molded.

REFERENCES:
patent: 2976573 (1961-03-01), Davis
patent: 3273205 (1966-09-01), Hanley
patent: 3933967 (1976-01-01), Taylor
patent: 4389365 (1983-06-01), Kudriavetz
patent: 4501715 (1985-02-01), Barfield et al.
patent: 4894958 (1990-01-01), Takasaki
patent: 4959000 (1990-09-01), Giza
patent: 5112556 (1992-05-01), Miller
patent: 5122046 (1992-06-01), Lavallee et al.

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