A resin part, wherein the resin part has an asymmetrical shape in a thickness direction, so that a portion in which an increase in internal temperature by heating is relatively quick is positioned closer to one end of the resin part in the thickness direction while a portion in which an increase in internal temperature by heating is relatively slow is positioned closer to the other end of the resin part in the thickness direction, wherein the resin part has an asymmetrical shape in a width direction, so that the portion in which the increase in internal temperature by heating is relatively quick is positioned closer to one end of the resin part in the width direction while a portion in which an increase in internal temperature by heating is relatively slow is positioned closer to the other end of the resin part in the width direction.

A weatherstrip carrier of a replaceable weatherstrip system for a fenestration unit includes a weatherstrip support configured to hold a weatherstrip. The weatherstrip carrier also includes a coupling member that is attached to the weatherstrip support. The coupling member is configured to removably attach to the fenestration unit. The coupling member includes a spine, a first projection, and a second projection. The first and second projections project from the spine in a common direction. The coupling member is resiliently flexible for movement between a neutral position and a flexed position. The first and second projections are biased toward each other when the weatherstrip carrier is in the flexed position. The second projection is configured to be removably received within the fenestration unit, with the weatherstrip carrier in the flexed position, and with the first and second projections cooperatively compressing against the fenestration unit to retain the weatherstrip carrier thereon.

The method involves supplying a profile which is wound round a winding structure (13). The stresses are present in the profile as a result of the winding. The profile comprises several fibers extending along one another, which are embedded in a partially cured thermosetting matrix material. A heat treatment is carried out on the profile, by means of a heat treatment device, while the profile is wound round the winding structure. The matrix material is post-cured, during heat treatment. The glass-transition temperature of the matrix material is increased as a result of the heat treatment and the temperature to which the profile is exposed during the heat treatment remains below the glass-transition temperature. The stresses remain constant and the shape is retained both in cross-section as well as radius of curvature of the profile, in the stress-free state, despite the heat treatment and despite winding the profile round the winding structure prior to the heat treatment.

The present invention provides a moldable mixture containing large portion of agricultural fibers and small portion of a binding agent and a flow-promoting filler material. The moldable mixture is substantially free of formaldehyde, with low moisture content and high draw ratio. The present invention also provides methods of manufacturing molded products and related parts, based on the claimed moldable mixture. Molded products (830) and related parts such as runner (810) and plank (820) with light weight, high density and more complex profile are manufactured by the claimed methods including steps of providing required materials for a moldable mixture, mixing the provided materials to form a moldable mixture, shaking the moldable mixture in preparing for compression molding and compression molding the moldable mixture to form molded products and related parts.

A system and method for forming a composite part. The apparatus comprises a sleeve that molds a composite material. The sleeve has a first face and a second face. The second face has features to mold the composite material. The first face comprises a first inclined surface having an angle less than about 90 degrees and greater than about 0 degrees.

An example method of forming a composite structure includes applying a laminated charge onto an expandable pallet, moving the expandable pallet in a linear motion relative to a plurality of rollers, and progressively urging the laminated charge into a continuously expanding recess defined by the expandable pallet using the plurality of rollers. The plurality of rollers are oriented in a serial configuration so as to shape the laminated charge into at least part of a shape of the composite structure.

A shaping method for shaping a stack produced by layering and forming into a flat shape a plurality of sheet-shaped composite materials includes a first shaping step of shaping the stack along a fold line extending along the longitudinal direction of the stack such that a first region and a second region, which are disposed to sandwich the fold line, form a first bending angle, and a second shaping step of shaping along the fold line the stack shaped via the first shaping step such that the first region and the second region form a second bending angle that is smaller than the first bending angle. In the first shaping step and the second shaping step, the stack is shaped in a state wherein the first region is maintained below the softening temperature of the resin material, while the second region is being heated to the softening temperature or higher.

An improved composite stiffener and methods and tooling used to form the same. The stiffener includes one or more base flanges, a composite rod extending in an axial direction, a bulb cap surrounding the composite rod, and an upright web extending from the one or more base flanges to the base cap. The upright web includes a non-linear profile in the axial direction providing the improved lateral stiffness. The method includes providing tooling including a first compression tool extending in the axial direction and including a first web portion having a non-linear profile, and a second compression tool extending in the axial direction and including a second web portion having a non-linear profile. Plies are placed within the tooling and compressed such that at least a portion of plurality of plies are compressed in the web forming portion thereby forming a web of the bulb stiffener having a non-linear profile.

An improved composite stiffener and methods and tooling used to form the same. The stiffener includes one or more base flanges, a composite rod extending in an axial direction, a bulb cap surrounding the composite rod, and an upright web extending from the one or more base flanges to the base cap. The upright web includes a non-linear profile in the axial direction providing the improved lateral stiffness. The method includes providing tooling including a first compression tool extending in the axial direction and including a first web portion having a non-linear profile, and a second compression tool extending in the axial direction and including a second web portion having a non-linear profile. Plies are placed within the tooling and compressed such that at least a portion of plurality of plies are compressed in the web forming portion thereby forming a web of the bulb stiffener having a non-linear profile.

A method of manufacturing includes providing a continuous flat cover to an assembly line, where the assembly line includes a conveying means. The method also includes applying a flowable reaction material continuously to the flat cover, where the reaction mixture is configured to expand within the flat cover. The method also includes welding the continuous flat cover around the reaction mixture to form an initial profile element. The method also includes cutting the initial profile element, continuously along the assembly line, to form one or more profile elements. Each of the one or more profile elements is a portion of the initial profile element, and each of the one or more profile elements includes a geometry for conforming with a construction component.