摘要:
1,052,819. Screw conveyers for nylon plant. MONSANTO CO. Aug. 4. 1964 [July 22, 1963], No. 30723/64. Heading B8A. [Also in Division C3] The finisher of a nylon producing plant is provided with a screw 47 having apertures 59 formed therein to convey the material. Thus the material is introduced at 27 and flows out at 29, the vapours formed being discharged at 32. The chamber 55 within which the material is being treated is enclosed within an outer chamber 42 which is maintained heated by fluid introduced at 30 and discharged at 31.
摘要:
ELONGATION OF HIGH TENACITY YARN IS INCREASED BY HEATING THE YARN TO A TEMPERATURE BETWEEN 180* AND 235*C., WHIE UNDER A TENSION BETWEEN 0.05 AND 0.35 GRAM PER DENIER, FOR A PERIOD OF 0.003 TO 0.15 SECOND.
摘要:
Spin finish for yarns to be bonded to rubber includes polyvinyl alcohol and microcrystalline or emulsifiable polyethylene wax. The wax has a melting point of at least 50* C. and a penetration at 77* F. of between 1 and 10 in accordance with ASTM test method D-1321-55T.