B29C67/205

TOOL FOR THE MANUFACTURE OF FOAM PARTS
20240157606 · 2024-05-16 · ·

A tool for the manufacture of foam parts includes walls enclosing a cavity corresponding to the shape of the foam parts to be manufactured, each wall having an inner surface adjacent to the cavity. At least one of the walls has at least one filamentary wall portion which includes at least one part of the inner surface of the respective wall, and which has layers of filamentary filaments running parallel to one another.

MOLD INSERT FOR USE IN A MOLD FOR THE MANUFACTURE OF A CUSHIONING ELEMENT FOR SPORTS APPAREL

An aspect of the present invention relates to a mold insert for use in a mold for the manufacture of a cushioning element for sports apparel. Further aspects of the present invention relate to a mold using such a mold insert, a method for the manufacture of a cushioning element for sports apparel using such a mold, and a cushioning element manufactured by such a method.

Tool, tool system and method for the production of particle foam parts
11975465 · 2024-05-07 · ·

The present invention relates to a tool, a tool system and a method for the production of particle foam parts, in particular for the manufacture of shoe soles. The shoe sole may be manufactured by welding foam particles using electromagnetic waves. The tool may comprise two mold halves forming a mold cavity corresponding to the shape of the shoe sole. The tool may be arranged between two capacitor plates. The mold cavity may be filled with the foam particles. The tool may then be closed and subjected to electromagnetic waves, in particular radio waves or microwaves, introduced into the mold cavity via the capacitor plates. The foam particles heated by the electromagnetic waves and at least partially fuse or bake together.

Pet toy and manufacturing method thereof
20190210300 · 2019-07-11 ·

The present invention relates to a pet toy and manufacturing method thereof. The pet toy comprises a plastic material formed by bonding expanded thermoplastic polyurethane foam beads with an adhesive; wherein each of the expanded thermoplastic polyurethane foam beads is in an irregular spherical shape; each of the expanded thermoplastic polyurethane foam beads has a length of 3-6 mm in each of x, y, z directions; each of the expanded thermoplastic polyurethane foam beads has a weight of 20-30 mg; the expanded thermoplastic polyurethane foam beads have a bulk density of 100-150 g. The pet toy has a high tensile strength, a high resilience, a low water absorption rate and a light weight.

METHODS OF MANUFACTURING ARTICLES UTILIZING FOAM PARTICLES

Methods for manufacturing articles of footwear are provided. In various aspects, the methods comprise utilizing additive manufacturing methods with foam particles. In some aspects, the additive manufacturing methods comprise increasing the temperature of a plurality of foam particles with actinic radiation under conditions effective to fuse a portion of the plurality of foam particles comprising one or more thermoplastic elastomers. Increasing the temperature of the foam particles can be carried out for one or multiple iterations. The disclosed methods can be used to manufacturer articles with sub-regions that exhibit differing degrees of fusion between the foam particles, thereby resulting in sub-regions with different properties such as density, resilience, and/or flexural modulus. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

METHOD FOR PRODUCING A SOUND- AND/OR HEAT-INSULATING ELEMENT, AND SOUND- AND/OR HEAT-INSULATING ELEMENT
20190040221 · 2019-02-07 ·

The invention relates to a method for producing a sound and/or thermal insulation element using foamable and/or prefoamed polymer particles which are coated with a binding agent, and preferably with an organic binding agent, and thereafter are subjected to a shaping process during which the polymer particles are bonded and/or sintered to one another, the bonding being caused by way of the binding agent. According to the invention, a non-hydrophilic binding agent is used for coating the foamable and/or prefoamed polymer particles.

The invention furthermore relates to a sound and/or thermal insulation element.

VEHICLE SEAT CORE MEMBER

There is provided a vehicle seat core member that is superior in terms of a dimensional accuracy as well as integrity of a thermoplastic resin expanded beads molded body and a frame member. A vehicle seat core member (100) is formed as an integrally molded article of a thermoplastic resin expanded beads molded body (10) and a frame member (20), the thermoplastic resin expanded beads molded body (10) is formed of thermoplastic resin expanded beads (30) having through holes (32), and a porosity of the thermoplastic resin expanded beads molded body (10) is 10 vol % or more and 40 vol % or less.

PROCESS FOR PRODUCING TACK-FREE HOTMELT MATERIAL AND DEVICE FOR PRODUCING THE SAME

The present invention relates to a process for producing a hot melt adhesive (HMA) material, preferably hot melt pressure sensitive adhesive (HMPSA) material, having a substantially tack-free coating comprising a novel moulding and spraying step, wherein said HMA material, preferably HMPSA material, can be easily handled, packed and transported for further use. In addition, the present invention relates to a corresponding device for producing a hot melt adhesive (HMA) material, preferably hot melt pressure sensitive adhesive (HMPSA) material, having a substantially tack-free coating.

METHODS FOR MANUFACTURING CUSHIONING ELEMENTS FOR SPORTS APPAREL

Methods for manufacturing cushioning elements for sports apparel are described. A method is provided for manufacturing a cushioning element for sports apparel from randomly arranged particles of an expanded material. The method includes positioning a functional element within a mold and loading the mold with the particles of the expanded material, wherein the loading occurs through at least two openings within the mold and/or wherein the loading occurs between different movable parts of the mold.

METHOD OF MANUFACTURING A PARTICLE FOAM PART, ESPECIALLY A CUSHIONING ELEMENT FOR SPORTSWEAR OR SPORTING GOODS

The present invention relates to a method for manufacturing a particle foam part, in particular a cushioning element for sportswear, such as a shoe sole, or a cushioning element, which has been produced by such a method, in particular a shoe sole. The method for manufacturing a cushioning element for sportswear such as a shoe sole, may comprise the steps of feeding foam particles into a mold cavity of a mold tool, and welding of the foam particles in the mold cavity while applying a predetermined pressure, wherein the foam particles comprise a fraction of at least 10% by weight of recycled, shredded foam particles (regenerated material) and the welding of the foam particles is effected by means of electromagnetic waves.