B29C44/445

COMPOSITE RIBBED EXPANDED POLYSTYRENE PALLET AND MANUFACTURING METHOD THEREOF
20170239860 · 2017-08-24 ·

The present invention discloses a composite ribbed expanded polystyrene pallet and a manufacturing method thereof, comprising a body and a base support, said base support clads the sides and bottom of the body, said body is made of expanded polystyrene, said comprises a pallet platform and plural supporting feet. Through the above mentioned way, the present invention utilizes light-weight polystyrene to make the body, the surface is covered with a base support of high-strength engineering plastic film, and reinforcing ribs are additionally arranged inside the body through special process. The pallet of the present invention has good load bearing performance, economy and practicability. The logistics cost also can be reduced greatly. Therefore, the composite ribbed expanded polystyrene pallet and the manufacturing method thereof have broad market prospects in popularization.

SYSTEM AND METHOD FOR CREATING A FOLD IN A PORTION OF EXPANDABLE MATERIAL
20170239856 · 2017-08-24 ·

There is described a method of creating a hinge in a body of expandable material, said body being substantially flat and having at least two planar regions connected by said hinge to facilitate folding of the planar regions about said hinge, comprising: expanding said expandable material to form said body; creating a region of excess expandable material in said body adjacent said hinge; and compressing said region of excess expandable material into the hinge of said body after the expandable material has fused to create a hinge having a concentrated volume of expanded material when compared to said at least two planar regions of said body.

Novel particle foams

A process can be used for producing a thermoplastic polyurethane, where the process at least involves converting at least one isocyanate composition and a polyol composition, to obtain a prepolymer having isocyanate groups, and reacting the resulting prepolymer with at least one chain extender. The at least one isocyanate composition contains an isocyanate selected from naphthylene 1,5-diisocyanate (NDI), diphenylmethane 4,4′-diisocyanate (MDI), p-phenyl diisocyanate (PPDI), o-tolidine diisocyanate (TODI), ethylene diphenyl diisocyanate (EDI), or mixtures thereof. The polyol composition contains a polytetrahydrofuran or a derivative thereof. A thermoplastic polyurethane obtained or obtainable by such a process is useful, and a foamed pellet material can be produced containing such a thermoplastic polyurethane. The foamed pellet material of the invention can be used for production of a molded article.

POLYPROPYLENE RESIN FOAMED PARTICLES, IN-MOLD FOAM MOLDED BODY OF POLYPROPYLENE RESIN, AND METHOD FOR MANUFACTURING SAME
20170218158 · 2017-08-03 · ·

An expanded polypropylene resin particle is obtained from a base material resin having a melting point of 140° C. to 150° C., wherein the base material resin includes a polypropylene resin A including 3 weight % to 15 weight % of 1-butene and having a melting point of 130° C. to 140° C.; and a polypropylene resin B having a melting point of 145° C. to 165° C., and wherein the expanded polypropylene resin particle has an average cell diameter of 100 μm to 340 μm.

METHOD FOR MANUFACTURING VEHICLE SEAT CORE MEMBER AND VEHICLE SEAT CORE MEMBER

A method for manufacturing including securing attachments disposed near both ends in the seat core member front portion made of a molded article of expanded beads, the securing attachments being connected by an embedded connecting member extending in the seat core member longitudinal direction. The securing attachment includes a base embedded in the molded article of expanded beads, an upright frame joined to the base to extend out of the molded article of expanded beads, and a securing portion extending from the upright frame to project away from the molded article of expanded beads. The method includes creating, during or after molding the molded article of expanded beads, a space or notch in an outer side of the securing attachment upright frame of the molded article of expanded beads in the seat core member longitudinal direction, the notch extending toward an outer side in the seat core member longitudinal direction.

MOLD AND METHOD FOR MANUFACTURING A COMPONENT BY MOLDING, COMPONENT THEREOF AND SHOE WITH SUCH A COMPONENT

The present invention relates to a mold for molding a component, in particular a piece of sports apparel, a method for manufacturing the component using such a mold and a shoe with such a component. In one embodiment, a mold for molding a component, in particular a piece of sports apparel, comprises (a.) a mixture of a polymer material and a filler material, (b.) wherein the filler material is adapted to allow a heating of the component inside the mold by means of an electromagnetic field.

Method of manufacturing footwear
11396117 · 2022-07-26 · ·

A method of manufacturing a footwear sole component is provided including projecting elongated pins into a mold cavity in the shape of the footwear sole component and partially filled with an expandable material including multiple unexpanded beads, and introducing steam into the cavity through ports defined by one or more cavity walls and through the pins in an internal region of the expandable material, to expand both exterior beads and interior beads in the internal region a predetermined amount. With the elongated pins, the interior beads can be expanded more, less and/or the same amount as exterior beads to provide particular physical characteristics to the component. For example, the interior beads can be fully expanded to a similar density as exterior beads, or expanded less to provide more density and rigidity in the internal region, or expanded more to provide less density and rigidity in the internal region.

METHOD FOR PRODUCING SHOE MEMBER, AND MOLDING DIE
20210387433 · 2021-12-16 · ·

Provided is a method for producing a shoe member that includes a plurality of portions including a first portion and a second portion, each of which is constituted by one or more of members, the method including: a step of preparing a collective body including a first member that constitutes the first portion and a second member that constitutes the second portion and formed of a material different from that of the first member; and a step of irradiating electromagnetic wave toward the collective body, wherein the electromagnetic wave irradiation step including partly shielding the electromagnetic wave irradiated toward the second member by a shielding member capable of shielding electromagnetic wave, thereby reducing the electromagnetic wave irradiated onto the second member. Also provided is a molding die having a molding space corresponding to a shoe member and capable of being used for producing the shoe member by performing the method.

METHOD FOR PRODUCING A COMPOSITE COMPONENT
20220203665 · 2022-06-30 ·

A method for producing a composite component including a bottom layer, cover layer and honeycomb structure, including applying the honeycomb structure to the bottom layer wherein honeycomb chambers are formed. Honeycomb chambers are filled in a reinforcement region with a granular material and granular material is removed from other honeycomb chambers wherein each honeycomb chamber is filled up to a granular-material filling height and honeycomb chambers outside the reinforcement region are free of granular material. The cover layer is applied to the honeycomb structure wherein the honeycomb chambers are closed. The composite component is heated so the granular material in the honeycomb chambers expands to fill it with granular material and the cover layer, the bottom layer, the honeycomb structure and the expanded granular material harden, the density of the expanded granular material in the honeycomb chambers filled with granular material being dependent on the granular-material filling height.

MOLD FOR THE MANUFACTURE OF SPORTING HELMETS, IN PARTICULAR CYCLING HELMETS AND RELATIVE PROCESS FOR MOLDING SUCH SPORTING HELMETS
20220203588 · 2022-06-30 · ·

A mold and a relative molding process for the manufacture of sporting helmets, in particular cycling helmets. The mold includes a frame provided with at least one molding concavity; a counter frame engageable to the frame to hermetically close the respective molding concavity and allow the execution of at least one molding cycle. The mold further includes at least one intermediate support element for supporting and positioning one or more components of the sporting helmet to be manufactured inside the respective molding concavity of the frame. The intermediate support element is kept inside the respective molding concavity during the entire molding cycle in order to keep the components of the sporting helmet to be manufactured in their assigned positions.