Patent classifications
B29C33/3828
DIES FOR FORMING A PART AND ASSOCIATED SYSTEMS AND METHODS
Disclosed herein is a die for forming a part. The die comprises a base, comprising a heat-platen interface surface and a part interface surface, and wherein the heat-platen interface surface and the part interface surface are separated by a thickness of the base. The die also comprises inserts, embedded within and circumferentially closed by the base, spaced apart from each other, and extending in a first direction from the heat-platen interface surface toward the part interface surface. The base is made of a first material having a first thermal conductivity. The inserts are made of a second material having a second thermal conductivity. The first thermal conductivity is different than the second thermal conductivity.
Microwave and Electromagnetic Heated Foaming Method, Mold and Foaming Material Thereof
Present invention is related to a microwave and electromagnetic heated foaming method, mold and foaming material thereof. The microwave and electromagnetic heated foaming method comprises steps of adding a foam material into a mold, simultaneously applying a microwave and electromagnetic energy toward the mold under a normal or low pressure, and the microwave and electromagnetic energy made the foam material into molded foam body. The mold of the present invention has a microwave penetrating part and an electromagnetic heating part. The microwave penetrating part has an extruded bottom that is corresponded to a dented top of the electromagnetic heat penetrating part. By utilizing the microwave and electromagnetic energy, the present invention is about to provide an efficient way for processing the foaming material compared to the conventional infrared or electrical heated tube heating and achieve the foam method that can be executed under normal or low pressure.
MESH INJECTION MOLD
An injection mold includes two mold halves, each of the mold halves including a mold cavity coupled with a plastic material inlet to make a plastic part within the mold cavity, a solid metal material housing the mold cavity, a conformal cooling channel positioned around the solid metal material, a plurality of mesh-containing cavities containing metallic mesh material and positioned around the solid metal material, wherein the metallic mesh material of any of the plurality of mesh-containing cavities is of a constant size.
Apparatus for the manufacture of a particle foam component
The invention relates to an apparatus for the manufacture of a particle foam component, said apparatus comprising a molding tool limiting a molding space, wherein, adjacent to the molding space, at least two capacitor plates are arranged which are connected to a radiation source for electromagnetic radiation, wherein the radiation source for electromagnetic radiation is designed for emitting electromagnetic radiation, and wherein the molding tool is formed of at least two molding halves, wherein at least one of the molding halves is made from an electrically conducting material and forms one of the capacitor plates.
Method of manufacturing a sandwich panel having an asymmetrical configuration in thickness direction
The invention relates to a method of manufacturing a sandwich panel having an asymmetrical configuration in the thickness direction. This method comprises the steps of: a) providing a plate shaped assembly of a first cover part and a second cover part and between a core part of a thermoplastic material containing a suitable blowing agent, wherein the second cover part is not equal to the first cover part regarding heat transfer properties; b) heating the assembly under pressure between press tools in a press, thereby adhering the foamed core part to the first and second cover parts; c) foaming of the thermoplastic material in the core part under pressure between press tools in the press and at a foaming temperature by increasing the spacing between the press tools in a controlled manner; d) cooling the foamed sandwich panel under pressure between the press tools; e) removing the thus cooled sandwich panel from the press; and optionally f) drying the sandwich panel; wherein during step a) a first compensation part conforming to the heat transfer properties of the second cover part is positioned at the side of the first cover part and/or a second compensation part conforming to the heat transfer properties of the first cover part is positioned at the side of the second cover part, and wherein during or after step e) the first and/or second compensation parts are removed from the sandwich panel.
PRODUCTION METHOD FOR FIBER-REINFORCED RESIN MOLDED OBJECT
A production method for a fiber-reinforced resin molded object is provided whereby a large apparatus is not used when molding, by heating and pressing, a fiber-reinforced resin base material that includes a matrix resin, a molded object with excellent precision and quality can be obtained, and for which work is simple.
The production method includes arranging, on an inner surface of a lower mold 3, a fiber-reinforced resin base material 1 obtained by impregnating a matrix resin into reinforcing fibers; filling a core space 5 of the mold, in which the fiber-reinforced resin base material 1 is arranged, with a powder mixture 2a that has liquidity and that includes thermally expandable microcapsules and another powder; sealing the lower mold 3 and an upper mold 4; heating at from a heat expansion starting temperature to a maximum expansion temperature of the thermally expandable microcapsules to cause the thermally expandable microcapsules to expand; and pressing the fiber-reinforced resin base material 1 against the inner surface of the lower mold 3 to produce a molded object.
COMPOSITE MATERIAL MOLDING JIG AND COMPOSITE MATERIAL MOLDING METHOD
A composite material molding jig for molding a long member made of a fiber base material and a resin on a plate member includes: a first member that is made of a material having a thermal expansion coefficient equivalent to a thermal expansion coefficient of the long member, internally includes a space serving as a mold of the long member, and has an outer surface formed flat in a longitudinal direction; and a second member that is made of a material lighter than the material of the first member, internally includes a space shaped to contain the first member, and has an inner surface formed flat in the longitudinal direction, wherein the fiber base material is placed in the space inside the first member, and the first member is placed in the space inside the second member for molding the long member.
FLEXIBLE MANDREL, AND METHOD FOR PRODUCING COMPOSITE COMPONENT
This flexible mandrel for molding a composite material containing a thermosetting resin includes: a main body containing a first material; and a thermally conductive layer containing a second material having a higher thermal conductivity than the first material, the thermally conductive layer being formed so as to cover at least a portion of the main body. The thermally conductive layer extends from a contacting surface of the flexible mandrel, which comes into contact with the composite material during molding, to a non-contacting surface which does not come into contact with the composite material.
Polymer based molds and methods of manufacturing thereof
Polymer-based molds are described. The polymer-based mold includes a first portion comprising a first material having a glass transition temperature (Tg) lower than about 80 C.; and a second portion comprising a second material having a Tg higher than about 80 C., wherein the second portion at least partially covers the first portion, the second portion is thinner than the first portion and faces a cavity in the polymeric mold.
TOOL FOR PLASTIC INJECTION MOLDING AND METHOD FOR MANUFACTURING THE TOOL
Tool for plastic injection molding consisting of at least one metallic mold and at least one plastic carrier, wherein the metallic mold and the plastic carrier are connected to one another by an adhesive layer.