B29C45/14795

MOLDED ARTICLE AND PRODUCTION METHOD THEREFOR
20210039291 · 2021-02-11 · ·

A molded product having both small specific gravity and high stiffness and also suffering few sink marks is described along with a method for the production thereof, where the molded product includes a porous body (A) integrated with an injection molded body (B), the porous body (A) having an apparent density of 0.05 to 0.8 g/cm.sup.3, the average thickness (tA) of the porous body (A) and the average thickness (tB) of the injection molded body (B) satisfying the relation tA3tB, and the injection molded body (B) covering at least one face of the porous body (A).

SHELL AND PROCESSING METHOD OF SHELL
20210070665 · 2021-03-11 · ·

A shell and a method for processing the shell are provided. The method includes: coating a sol prepared in advance on an inner surface of a ceramic shell prepared in advance; sintering the ceramic shell coated with the sol by using a sintering process, and forming a transition layer having nano-sized micro-pores on the inner surface of the ceramic shell.

Process of over-molding a thermoplastic elastomer over fabric pieces
11059209 · 2021-07-13 · ·

A method of over-molding a thermoplastic elastomer over fabric includes: precision forming a mold cavity to match the final dimensions of a finished product; cutting a piece of fabric to a correct size; fixedly securing the fabric piece in the mold cavity; and injecting a thermoplastic elastomer into the mold cavity at an appropriate temperature and pressure, on top of the fabric piece. The method may further include heating the thermoplastic elastomer to a temperature for melting a surface layer of the fabric when injected thereon, and cooling of the thermoplastic elastomer and fabric for bonding of the thermoplastic elastomer to the surface of the fabric. The method may further include adding one or more additives from the group of additives consisting of: a UV stabilizer, an anti-blocking agent, a slip agents, a plasticizer, and a flame retardant; and securing a cord member onto an exposed portion of the fabric.

CUSHION ASSEMBLY FOR HEAD-MOUNTED DEVICE AND MANUFACTURING METHOD THEREOF
20200400963 · 2020-12-24 ·

A method of manufacturing a cushion assembly for a head-mounted device is provided. The method includes molding a foam material to provide a first panel with a first layer having a three-dimensional configuration defined therein. The method further includes arranging a second panel and a third panel with respect to the first panel such that the first panel is disposed between the second panel and the third panel. The method further includes molding the first panel, the second panel and the panel layer together to form a single piece laminate. The method further includes trimming the single piece laminate to form the cushion assembly adapted to conform to a face of a wearer of the head-mounted device.

SHOCK ABSORPTION BUMPER AND MANUFACTURING METHOD THEREOF

A method of manufacturing a bumper for impact absorption and a bumper for the impact absorption manufactured from the same are provided. The method includes: filling solid salts in a mold, injecting a molten metal into the mold, and solidifying the molten metal with the solid salts to obtain a solidified product, spraying water onto the solidified product to dissolve the solid salts, which results in obtaining a porous metal having pores, disposing the porous metal in an injection mold, and injecting-inserting a resin composite into the injection mold to surround the porous metal while filling at least a part of the pores in the porous metal.

METHOD FOR MANUFACTURING SUPPORTING BODY

A method of manufacturing a support member, which includes a tubular-shaped tubular part and a coupling part coupling one portion and another portion of an inner circumferential surface of the tubular part to support a ventilation membrane, includes filling a fixed mold and a movable mold with a thermoplastic material or a thermosetting material, wherein the thermoplastic material or the thermosetting material is injected from a gate in the coupling part to be charged from the coupling part toward the cylindrical part. The method manufactures a supporting body with improved durability.

Forming of additively manufactured product

An exemplary process includes determining a desired pore size, selecting an initial pore size greater than the target pore size, manufacturing a porous structure with the initial pore size, forging the porous structure to form a forged part having the desired pore size, and forming an orthopedic device from the forged part.

IMPLANTABLE MEDICAL DEVICES

Implantable medical devices are provided. In one embodiment, a device includes a body having an external surface defining an outer profile of the device. The body includes a porous matrix including a series of interconnected macropores defined by a plurality of interconnected struts each including a hollow interior. A filler material substantially fills at least a portion of the series of interconnected macropores. The external surface of the body includes a plurality of openings communicating with the hollow interior of at least a portion of the plurality of interconnected struts. In a further aspect of this embodiment, the external surface includes exposed areas of the filler material and porous matrix in addition to the exposed openings. In another aspect, the porous matrix is formed from a bioresorbable ceramic and the filler material is a biologically stable polymeric material. Still, other aspects related to this and other embodiments are also disclosed.

Molding Compositions and Foam Molded Articles Made Thereof
20200377683 · 2020-12-03 · ·

A foamed article formed by foam injection molding or foam extrusion of a composition is disclosed. The article is formed from a molding composition consisting essentially of: 100 phr of at least two different hydrogenated styrenic block copolymers (HSBC), a first HSBC and a second HSBC, having different molecular weights, a molecular weight ratio of at least 1.2:1, respectively; and a weight ratio of ranging from 5:95 to 95:5, respectively; 10-55 phr of a polypropylene having a melt flow of at least 2 g10/min; and optionally up to 55 phr of a plasticizer, selected from hydrocarbon based oils, fatty acids, triglyceride oils, and mixtures thereof. The composition has a melt flow rate of 2-50 g/10 min, a Shore A hardness of 60-90, a melt strength (F) of at least 0.010 N, and a melt strength (V) of at least 10.

Vehicle interior part and method of manufacturing same
10800075 · 2020-10-13 · ·

An interior part for a vehicle is formed by core-back expansion molding. The interior part includes a foamed plastic body formed by injecting a foamable plastic resin into a mold and separating the mold portions of the mold to allow foaming expansion of the foamable plastic resin. An edge portion of the foamed plastic body includes a projecting freeze section and a core-back expansion radius located adjacent to the projecting freeze section. The projecting freeze section is formed in a freeze seal area of the mold adjacent a parting line to help prevent excessive flashing of material at the parting line during separation.