B29L2031/58

Seat pad, vehicle seat, vehicle seat controlling method, and seat pad manufacturing method

According to the disclosure, a seat pad 2 includes a bag-contained pad part 250 including a foam body 240 and a bag body 230 arranged inside the foam body 240.

Foam molding method, foam molded article, and method for manufacturing foam molded article

A foam molding method includes: sealing a core material and a skin material with a sealing part; and molding a foam layer on the inside of the sealing part. The sealing of the core material and the skin material with the sealing part includes sealing the core material and the skin material so that the sealing part includes a self sealing part for which an edge part of the skin material is housed in a recess provided in the core material, a clamp sealing part sealed by clamping the core material and the edge part of the skin material by foam molding molds, and a crimp sealing part arranged in a switchover part between the clamp sealing part and the self sealing part, and sealed by crimping the edge part of the skin material to the core material.

PROCESS FOR MOULDING AND RELATIVE MACHINE FOR MOULDING
20230028451 · 2023-01-26 · ·

Process and relative machine for moulding a thermoplastic material for producing a finished article having a shape, wherein the process comprises: providing a mould (99) comprising a first (1) and a second half-mould (2) each having a respective conformation surface (3, 4) which define, with closed mould, a cavity (5) having, in a conformation configuration, the shape; making a semi-finished product (70) made of the thermoplastic material; closing the mould (99) with the semi-finished product (70) interposed between the conformation surfaces (3, 4); admitting a heating fluid into the cavity (5) for heating the semi-finished product (70) permeable to the heating fluid; arranging the cavity (5) in a compacting configuration in which the cavity (5) coincides with a sub-portion of the cavity (5) in the conformation configuration; with the cavity (5) in the compacting configuration and the heating fluid into the cavity (5), compressing the semi-finished product (70) between the conformation surfaces (3, 4); subsequently to compressing the semi-finished product (70), arranging the cavity (5) in the conformation configuration while keeping the heating fluid into the cavity (5), wherein the semi-finished product (70) elastically expands for completely occupying the cavity and assuming the shape; subsequently, evacuating the heating fluid from the cavity (5) for cooling the semi-finished product (70) for obtaining the finished article with the shape; opening the mould (99) and extracting the finished article from the mould (99).

Method for manufacturing a heating mat for a motor vehicle

A method for manufacturing a heating mat for a motor vehicle. The method includes the following steps: providing a heating ply having a deformable structure and two heating elements inserted into the structure, said two heating elements being separated by a deformation area of the structure; stacking the heating ply between an upper layer and a lower layer, wherein at least one of the heating ply and the upper and lower layers includes a thermoformable material; assembling the stack by at least one fastening rod; and thermoforming the stack thus assembled, so as to secure the heating ply and the upper and lower layers into a single piece; and stretching the deformation area in the stacking direction.

COATED FORMING TOOL

A seat system for a vehicle including a seat back assembly, a seat base assembly, and a headrest assembly. Each of the assemblies may include at least one formed part for providing comfort to an occupant of the seat system. A coated forming tool for producing the formed part of the seat system may be a mold assembly or a printing machine configured to form at least a portion of the formed part of the seat system. The coating of the coated forming tool comprises at least one of a nonstick or ecological material, and more preferably a polytetrafluroethylene (PTFE) material.

Apparatus and method for molding a foam pad with a wire assembly

An apparatus for molding a foam pad with a wire assembly for an automotive vehicle includes a mold bowl operably coupled to a mold lid to define a mold cavity therebetween. The mold bowl includes a bottom surface and a peripheral wall extending upwardly from and encircling the bottom surface. A plurality of wire holders extend inwardly from and are spaced around the peripheral wall for vertically positioning the wire assembly within the mold cavity. A holding element, such as an arcuate recess, is disposed along an upper ledge of at least one of the wire holders for horizontally positioning the wire assembly within the mold cavity. The mold cavity receives a foam material for filling the mold cavity and surrounding the wire assembly to form the foam pad with the wire assembly embedded therein.

SYSTEM FOR TREATMENT OF A MULTI-LAYERED CUSHIONING PRODUCT AND OPERATING METHOD FOR A SYSTEM FOR EXPANDING A MULTI-LAYERED CUSHIONING PRODUCT
20220410447 · 2022-12-29 ·

A system for treatment of a multi-layered cushioning product includes at least one web layer and at least one expandable layer including a water-based heat-expandable adhesive (WBHEA), comprising: (a) at least one radiator module for irradiating the multi-layered cushioning product including at least one emitter, such as a filament, panel or the like, emitting infrared radiation at an operative temperature of at least 600° C. and at most 3000° C. wherein the at least one radiator module having a power output density of at least 10 kW/m2 and/or at most 300 kW/m2 and (b) a conveyor for moving the, cushioning product relative to the at least one radiator module.

LAMINATED MOLDED BODY AND METHOD FOR MANUFACTURING SAME
20220410554 · 2022-12-29 · ·

A method for manufacturing a laminated molded body includes a cutting-out step for cutting out a cushion layer to form a cut-out part; a base material laminating step for forming a first laminated body; an insulating material placing step of attaching an insulating material to the cut-out part; a first thermocompression bonding step for bonding the first laminated body by thermocompression; a removing step for removing the cut-out part to form an opening; a skin laminating step for forming a second laminated body; and a second thermocompression bonding step for bonding the skin at the opening part to the lower layer material by bonding the second laminated body by thermocompression, the lower layer material being arranged below the cushion layer having the opening part.

METHOD OF MANUFACTURING VENTILATION SHEET FOR VEHICLE

Disclose are is method of manufacturing a ventilation sheet for a vehicle. The ventilation sheet for a vehicle is manufactured by performing anti-fouling finishing treatment using an anti-fouling coating agent including an anti-fouling composition. The anti-fouling properties can be improved to prevent the sheet from being fouled, and flame-retardant treatment is performed through a flame-retardant aqueous solution including flame-retardant PET fiber and flame retardant in bath so that the deterioration of flame retardancy caused by the improved anti-fouling properties can be prevented through the flame-retardant treatment while ventilation properties are maintained.

VEHICLE SEAT CONTAINING FIBER COMPOSITE MATERIAL AND EXPANDED THERMOPLASTICS
20220371492 · 2022-11-24 ·

The invention relates to a seat for a vehicle, preferably for a land craft, a watercraft, and/or an aircraft, comprising at least one multilayer structural component (1) with at least one first (6) and at least one second ply (5) of a composite material, in each case containing fibers which are integrated into a thermoplastic, and with a layer (7) which is arranged between said plies and is made of at least one foamed thermoplastic; to a method for producing same, said method having at least the following steps (A): providing at least one first and at least one second ply of a composite material, in each case containing fibers which are integrated into a thermoplastic, (B) thermoforming the first ply of composite material into a lower seat shell, (C) thermoforming the second ply of composite material into an upper seat shell, (D) arranging the lower seat shell and the upper seat shell in a tool, such that a gap is formed between the two seat shells, (E) introducing foamed particles made of a thermoplastic into the gap, and (F) pressing the two seats shells and the foamed particles in order to obtain the seat; and to the use of the seat in a vehicle, preferably in a land craft, a watercraft, and/or an aircraft.