Golf ball manufacturing method

Details Golf ball manufacturing method Golf ball manufacturing method

2007-09-25

2007-09-25

Lee, Edmund H. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Flash or sprue removal type

C264S162000, C083S013000

Reexamination Certificate

active

10757420

ABSTRACT:
A golf ball manufacturing method comprises a step of holding a spew (B) of a seam (C) of a golf ball (G) in a predetermined position, a step of deciding whether the position of the seam (C) is normal, and a step of distinguishing the necessity of the processing of the golf ball based on the decision, and furthermore, a step of processing the seam (C) which removes the spew (B) of the seam (C) and smoothens a removing mark, and the step of processing the seam (C) is constituted by a plurality of stages including cutting and grinding. The processing is carried out at an angle obtained by inclining an angle for processing the seam C in the direction of the flow of a polymer in the seam C. According to the golf ball manufacturing method, the appearance of the seam is very smooth and the performance of the ball can be more uniform.

REFERENCES:
patent: 3073072 (1963-01-01), Selby
patent: 4779387 (1988-10-01), Reid et al.
patent: 4894958 (1990-01-01), Takasaki
patent: 5611723 (1997-03-01), Mitoma et al.
patent: 60-232861 (1985-11-01), None
patent: 08-299498 (1996-11-01), None

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