Injection molding method for the manufacture of a snelled fishho

Details Injection molding method for the manufacture of a snelled fishho Injection molding method for the manufacture of a snelled fishho

1978-02-10

1979-12-11

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

43 4483, 43 4498, 264274, 264291, 264296, B29C 1702, B29C 604, B29D 300

Patent

active

041783425

ABSTRACT:
An injection molding method is disclosed for the manufacture of a snelled fishhook. A thermoplastic, drawable, synthetic resin material is heated to a moldable state and flowed into an injection mold to form an intermediate product including a first slightly enlarged cylindrical portion at one end which envelops a shank of a hook, a snell strand coupled to the enlarged cylindrical portion, and a loop at the opposite end of the snell strand adapted to receive a fishing line. The snell strand and the loop strand of the intermediate product have oversized diameters. The snell strand is drawn between the first slightly enlarged cylindrical portion and the loop to reduce the snell strand to proper diameter and also to increase the strength of the strand. The loop is drawn between its crotch and its apex so as to reduce its diameter and increase its strength and toughness. A split multiple-section injection mold is further disclosed for carrying out both the molding and drawing procedures.

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patent: 3781402 (1973-12-01), Hanggi et al.
patent: 3826034 (1974-07-01), Herek

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