Process for in situ molding of a bearing material in a ball and socket joint assembly

Process for in situ molding of a bearing material in a ball and socket joint assembly

A process is provided for injection molding a plastic material into an interfacial space between a spherical ball and a spherical cavity of a ball and socket joint assembly to form a plastic bearing which has an as-molded tapered undercut. A sacrificial ring having a preselected outer diameter and a...

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Hauptverfasser: BILLIMACK, JAMES J, MORITZ, TIMOTHY C, ALLOTT, MARK T
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator BILLIMACK
JAMES J
MORITZ
TIMOTHY C
ALLOTT
MARK T
description A process is provided for injection molding a plastic material into an interfacial space between a spherical ball and a spherical cavity of a ball and socket joint assembly to form a plastic bearing which has an as-molded tapered undercut. A sacrificial ring having a preselected outer diameter and a generally triangular cross-sectional shape is selected. The sacrificial ring is placed around the ball adjacent the neck of the ball assembly. The sacrificial ring is rigidly confined between the ball, the cavity, and the mold. The plastic material is injection molded into the interfacial space and a plastic bearing having a tapered undercut which mimics the shape of the sacrificial ring is formed.
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subjects AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title Process for in situ molding of a bearing material in a ball and socket joint assembly
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