Method for manufacturing a golf product

Details Method for manufacturing a golf product Method for manufacturing a golf product

Filed on

2007-03-20

Date issued

2007-03-20

Examiner

Johnson, Christina (Department: 1732)

Patent Class

Plastic and nonmetallic article shaping or treating: processes

SubClass

Mechanical shaping or molding to form or reform shaped article

SubSubClass

Shaping against forming surface

Other Related Categories

C264S328100

Type

Reexamination Certificate

Status

active

Patent number

11275526

Description

ABSTRACT:
A process for reaction injection molding a polyurethane material for a layer of a golf ball is disclosed herein. The layer is preferably a cover for the golf ball. The process discloses preferred pressure parameters and mass flow parameters for reaction injection molding the layer. Such preferred pressure parameters include the difference from mix-head open to the shot mid-point, ΔΔPom, and the pressure difference from mix-head open to close, or ΔΔPoc. The mass flow parameters include the percentage change in mass flow ratio from mix-head open to shot mid-point, or % MFRom, and the change in mass flow ratio from mix-head open to shot mid-point, or ΔMFRom.

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