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公开(公告)号:US3371387A
公开(公告)日:1968-03-05
申请号:US50171365
申请日:1965-10-22
Applicant: DOW CHEMICAL CO
Inventor: CLEEREMAN KENNETH J , SEDERLUND EDWARD R
CPC classification number: B29C67/0003 , B29C45/5605 , Y10S277/924
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2.Method and apparatus for the preparation of biaxially oriented film 失效
Title translation: 用于制备双向薄膜的方法和装置公开(公告)号:US3472924A
公开(公告)日:1969-10-14
申请号:US3472924D
申请日:1967-08-21
Applicant: DOW CHEMICAL CO
Inventor: SEDERLUND EDWARD R , SCHRENK WALTER
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公开(公告)号:US3500503A
公开(公告)日:1970-03-17
申请号:US3500503D
申请日:1967-12-28
Applicant: DOW CHEMICAL CO
Inventor: CLEEREMAN KENNETH J , SEDERLUND EDWARD R
CPC classification number: B29C45/5605
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公开(公告)号:US3350744A
公开(公告)日:1967-11-07
申请号:US49725465
申请日:1965-10-18
Applicant: DOW CHEMICAL CO
Inventor: SEDERLUND EDWARD R , CHENEY GRANT W
IPC: B29C51/18
CPC classification number: B29C51/18 , Y10S425/201 , Y10T83/2185
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公开(公告)号:US3581344A
公开(公告)日:1971-06-01
申请号:US3581344D
申请日:1969-05-16
Applicant: DOW CHEMICAL CO
Inventor: SEDERLUND EDWARD R , SCHRENK WALTER J
CPC classification number: B29C55/16 , B26D3/001 , B29C55/285
Abstract: BIAXIALLY ORIENTED THERMOPLASTIC RESINOUS FILM IS PREPARED BY EXTRUDING A TUBE, STRETCHING THE TUBE BY MEANS OF GENERALLY COAXIALLY ARRANGED TORI, AT LEAST THE OUTERMOST TOROUS BEING DRIVEN IN FRICTIONAL ENGAGEMENT WITH THE FILM BEING PREPARED.
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公开(公告)号:US3401427A
公开(公告)日:1968-09-17
申请号:US57162666
申请日:1966-08-10
Applicant: DOW CHEMICAL CO
Inventor: CLEEREMAN KENNETH J , SEDERLUND EDWARD R
CPC classification number: B29C41/04 , F16H33/02 , F16H2706/00
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公开(公告)号:US3389434A
公开(公告)日:1968-06-25
申请号:US58069766
申请日:1966-09-20
Applicant: DOW CHEMICAL CO
Inventor: CLEEREMAN KENNETH J , SEDERLUND EDWARD R
IPC: B29C45/56
CPC classification number: B29C45/5605 , Y10S277/924 , Y10S425/025
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