公开(公告)号：US11186047B2

公开(公告)日：2021-11-30

申请号：US16961391

申请日：2019-03-01

Applicant: DOW GLOBAL TECHNOLOGIES, LLC

Inventor： Jay M. Tudor ,  David H. Bank ,  Jeffery D. Zawisza ,  Peter J. Schulz ,  Liangkai Ma ,  Mark Pijaszek ,  Mark Mirgon

IPC: B29C70/34 ,  B29C70/46 ,  B29K63/00 ,  B29K307/04 ,  B29L23/00

Abstract: The disclosure provides for a method including: a) forming a layered tubular member (12) by placing one or more outer layers (16) about an inner layer (14) and joining at one or more seams (56) along a length of the layered tubular member, wherein the one or more outer layers include a first resin impregnated therein; b) applying the first resin or a second resin at the one or more seams; c) creating one or more fillets (58) along the one or more seams with the first resin, the second resin, or an adhesive; and d) curing the first resin, the second resin, and the adhesive so that the layered tubular member, the first resin, the second resin, and the adhesive form a composite structure having a tubular shape.

公开(公告)号：US11267189B2

公开(公告)日：2022-03-08

申请号：US16302907

申请日：2017-05-23

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Jeffrey D. Wenzel ,  Michael T. Petr ,  Mark Mirgon ,  Jay M. Tudor ,  Sam L. Crabtree ,  Jie Feng

IPC: B29C57/04

Abstract: An apparatus comprising: (a) a mandrel; (b) an internal guide spaced apart from the mandrel; (c) an external guide extending around all or a portion of the internal guide and being spaced apart from the mandrel; wherein a pipe extends between the internal guide and the external guide and then over the mandrel so that the mandrel changes one or more dimensions of the pipe.

公开(公告)号：US20190275729A1

公开(公告)日：2019-09-12

申请号：US16302907

申请日：2017-05-23

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Jeffrey D. Wenzel ,  Michael T. Petr ,  Mark Mirgon ,  Jay M. Tudor ,  Sam L. Crabtree ,  Jie Feng

IPC: B29C57/04

Abstract: An apparatus comprising: (a) a mandrel; (b) an internal guide spaced apart from the mandrel; (c) an external guide extending around all or a portion of the internal guide and being spaced apart from the mandrel; wherein a pipe extends between the internal guide and the external guide and then over the mandrel so that the mandrel changes one or more dimensions of the pipe.