Method of making netting by molding plastic about strand crossin

Details Method of making netting by molding plastic about strand crossin Method of making netting by molding plastic about strand crossin

1974-04-09

1976-06-01

Hoag, Willard E.

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

264254, 264263, 264265, 264271, 264274, 264279, 264280, 264328, 264331, 264DIG81, B29C 500, B29D 300, B29F 100

Patent

active

039610110

ABSTRACT:
Netting, made by bonding together crossing strands consisting of or containing thermoplastic material by means of individually moulded masses of thermoplastic material, is given enhanced bond strength by compressing the crossing strands together within the die cavities employed for moulding the thermoplastic masses. The improvement is particularly marked in the case of netting made from braided strands, for example of nylon, and intended for use as cargo nets. The compression may be applied by a pressure member, for example a fluid-actuated piston, mounted within the die. If desired, a pair of counteracting pistons can be used. After compressing the strands, the pistons may be withdrawn before the thermoplastic material is introduced or may be forced back by the entering thermoplastic material.

REFERENCES:
patent: 1895456 (1933-01-01), Farmer
patent: 2361348 (1944-10-01), Dickson et al.
patent: 2920354 (1960-01-01), Zumbrunnen
patent: 2949807 (1960-08-01), Herzog et al.
patent: 3068522 (1962-12-01), Nickerson et al.
patent: 3335634 (1967-08-01), Betta
patent: 3591215 (1971-07-01), Frost
patent: 3608034 (1971-09-01), Bramley

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