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公开(公告)号：AT1939T
公开(公告)日：1982-12-15
申请号：AT79104747
申请日：1979-11-29
Applicant: PHILLIPS PETROLEUM COMPANY
Inventor： PLATT, LOUIS , THOMAS, SANFORD POTEET
Abstract: A method and apparatus are provided permitting shifting from rolling a thermoplastic web upon one roll to rolling the thermoplastic web upon another roll by overlapping the web connected to one roll and the web connected to the other roll, severing the overlapped webs, and forming a seam between the overlapping ends of the webs.
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