公开(公告)号：US3652759A

公开(公告)日：1972-03-28

申请号：US3652759D

申请日：1970-01-08

Applicant: BASF AG

Inventor： SCHLEMMER LOTHAR ,  SABATER EUDALDO ,  KRESS GERHARD

IPC: B29C55/14 ,  B29C71/00 ,  B29D7/24

CPC classification number: B29C55/143 ,  B29C71/00 ,  B29K2077/00

Abstract: IMPROVED BIAXIALLY ORIENTED POLYAMIDE FIL, PARTICULARLY SUITABLE FOR PACKAGING APPLICATIONS, MAY BE MADE FROM AMORPHOUS FILM OR SHEETING BY DRAWING THE SAME IN THE MACHINE DIRECTIN AT A DRAW RATIO OF 2.5:1 TO 4:1, DRAWING BEING EFFECTED IN THE FREE PATHS IN THE GAPS BETWEEN NONDRIVEN DRAW ROLLS OF DIAMETER 40 TO 150 MM., SAID FREE PATHS BEING LESS THAN 22 MM. LONG IN ALL CASES AND SAID ROLLS BEING HELD AT SPECIFIC TEMPERATURES DEPENDING ON THEIR PERIPHERAL SPEEDS, AND THEN DRAWING THE SHEETING TRANSVERSELY AT A DRAW RATION OF 3:1 TO 6:1 AND AT A TEMPERATURE OF 165 TO 205*C.

公开(公告)号：FR1434850A

公开(公告)日：1966-04-08

申请号：FR18690

申请日：1965-05-28

Applicant: BASF AG

Inventor： MAHLER KARL ,  KRESS GERHARD ,  WILLERSINN HERBERT ,  BOECK EDMUND ,  ZETTLER HANS DIETER

IPC: B29C44/50 ,  C08J9/04