公开(公告)号：US20190022919A1

公开(公告)日：2019-01-24

申请号：US16081740

申请日：2017-03-01

Applicant: SABIC Global Technologies B.V.

Inventor： Roel Verlaek ,  Theofanis Theofanous ,  Guillaume Ratouit ,  Nikhil Verghese

IPC: B29C53/58 ,  B29C53/70 ,  B29C53/80 ,  B29C70/32

Abstract: The present invention concerns a method and apparatus (14a) for winding a section of each of one or more layers of material (18a) around a mandrel (30) and about a longitudinal axis of the mandrel (30), wherein each layer of material (18a) includes fibers and the winding is performed such that, for the wound section of each layer of material (18a), each of a majority of the fibers is angularly disposed relative to the longitudinal axis of the mandrel (30), and: (1) disposing a tape (82) over the layer(s) of material (18a) such that at least a portion of the tape (82) overlies at least a portion of the wound section of each layer of material (18a) and a long dimension of the portion of the tape (82) is substantially parallel to the longitudinal axis of the mandrel (30); and/or (2) spot-joining adjacent sections of the wound section(s) together.

公开(公告)号：US20200031021A1

公开(公告)日：2020-01-30

申请号：US16484236

申请日：2018-02-12

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Reema Sinha ,  Anton Kumanan ,  Nikhil Verghese ,  Theofanis Theofanous ,  Kapil Inamdar

IPC: B29B15/12

Abstract: Method for producing a fiber tape including spreading a strand of fibers into a spreaded fiber layer, immersing the spreaded fiber layer in a solution, and forming a fiber tape from the spreaded fiber layer by applying heat and/or pressure to the spreaded fiber layer.

公开(公告)号：US20170371980A1

公开(公告)日：2017-12-28

申请号：US15533704

申请日：2016-08-10

Applicant: SABIC Global Technologies B.V.

Inventor： Dharik Mallapragada ,  Theofanis Theofanous ,  Nikhil Verghese

IPC: G06F17/50 ,  B29C65/00 ,  B32B41/00

CPC classification number: G06F17/50 ,  B29C66/967 ,  B29C70/02 ,  B32B41/00 ,  G06F17/5009 ,  G06F2217/08 ,  G06F2217/10 ,  G06F2217/44

Abstract: A global optimization tool may be used to predict characteristics of a multiple ply layered composite as a condition of one or more continuous variables and/or one or more binary variables. For example, the global optimization tool may predict characteristics of a composite for a large range of fiber orientation angles of each of layer of the ply. The optimization tool may include solving a mixed integer nonlinear programming (MINLP) model to obtain a multiple ply layered composite design that is optimized relative to objectives, such as areal weight and cost. Thus, the global optimization tool may be able to identify composite designs with lower areal weight and/or lower cost than the composite designs identified by prior art trial and error methods or heuristic algorithms. When a composite design is identified as meeting certain criteria that are input to the global optimization tool, that composite design may be manufactured.

公开(公告)号：US20200039180A1

公开(公告)日：2020-02-06

申请号：US16379082

申请日：2019-04-09

Applicant: SABIC Global Technologies B.V.

Inventor： Scott Davis ,  Theofanis Theofanous ,  Nikhil Verghese

IPC: B32B5/26 ,  B32B5/02

Abstract: This disclosure includes fiber-reinforced composites including and/or formed in part from fibrous non-woven layers, stacks of layers that can be consolidated to form such composites, articles, such as portable electronic device housing panels, including such composites, and methods for making such composites and articles. In some composites, at least one of the non-woven layer(s) includes: (1) a first thermoplastic material that may be present as a first set of resin fibers; (2) a second thermoplastic material that may be present as a second set of resin fibers, the second thermoplastic material having a transition temperature and/or a low-shear viscosity that is higher than that of the first thermoplastic material; (3) a first set of reinforcing fibers; and/or (4) a second set of reinforcing fibers of a type distinct from that of the first set of reinforcing fibers.