Melt spinning apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 29, 1987
Issued Date -
N/A
app pub date -
May 24, 1985
filing date -
May 26, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A melt spinning apparatus is disclosed which comprises a stationary melt supply assembly which includes a spin block, and a nozzle assembly releasably connected to the spin block. The means for releasably connecting the nozzle assembly to the spin block includes a cylindrical connecting plug fixed to the spin block, and a tubular casing for the nozzle assembly, with the connecting plug and casing being threadedly interconnected. The mating threads are preferably in the form of a threaded bayonet joint comprising multiple thread segments so that the nozzle assembly may be attached to and removed from the connecting plug by a partial rotation of the nozzle assembly. Also, the nozzle assembly is sealed to the melt supply assembly by an arrangement which includes a piston mounted for limited movement within the casing of the nozzle assembly and below the connecting plug, and such that the piston is biased into sealing contact with the plug by the pressure of the melt.
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