B29C66/73115

Storage bag

A method of making a storage bag comprising the following steps performed in any order: (a) forming a composite tube having an inner surface comprising a higher melting polymer, an outer surface comprising a lower melting polymer, two ends, and a diameter; (b) flattening the tube in a direction perpendicular to the diameter; (c) forming a joint at one of the ends at a temperature between respective melting points of the higher melting polymer and the lower melting polymer; (d) providing a composite sheet having a first side comprising a higher melting polymer and a second side comprising a lower melting polymer; and (e) disposing the composite sheet over the joint such that the first side comprising a lower melting polymer engages the joint and forming a lap seam over the joint at a temperature between respective melting points of the higher melting polymer and the lower melting polymer, and a storage bag made by such method.

METAL-CLAD LAMINATE SHEET MANUFACTURING METHOD

A method for manufacturing a metal-clad laminate sheet containing (i) a thermoplastic liquid crystal polymer film comprising a thermoplastic polymer, and (ii) a metal foil bonded to at least one surface of the thermoplastic liquid crystal polymer film, the thermoplastic polymer being capable of forming an optically anisotropic molten phase, and the method containing: forming a laminate sheet having the thermoplastic liquid crystal polymer film and the metal foil bonded together; and heat treating the laminate sheet, wherein the heat treatment satisfies conditions (1) and (2): (1) wheat treatment temperature ranges between 1 C. inclusive and 50 C. exclusive higher than a melting point of the thermoplastic liquid crystal polymer film, and (2) a time for the heat treatment ranges from one second to 10 minutes.

MULTILAYER CIRCUIT BOARD MANUFACTURING METHOD

A method for manufacturing a multilayer circuit board containing a single-sided metal-clad laminate sheet and a substrate laminated together, the single-sided metal-clad laminate sheet containing a thermoplastic liquid crystal polymer film and a metal foil bonded to a surface of the thermoplastic liquid crystal polymer film, and the method containing: forming a laminate sheet having the thermoplastic liquid crystal polymer film and the metal foil bonded together; and heat treating the laminate sheet, wherein the heat treatment satisfies conditions (1) and (2) to manufacture the single-sided metal-clad laminate sheet: (1) a heat treatment temperature ranges between 1 C. inclusive and 50 C. exclusive higher than a melting point of the thermoplastic liquid crystal polymer film, and (2) a time for the heat treatment ranges from one second to 10 minutes.

Electronic control device and method for manufacturing electronic control device

It is provided an electronic control device including a resin molded body, a metal body, and an electronic component, wherein the resin molded body and a main surface of the metal body are bonded, and at least a part of a side surface continuous to the main surface of the metal body is in contact with a side contact portion provided in the resin molded body.

METHOD OF FABRICATING A MINIATURE DEVICE HAVING AN ACOUSTIC DIAPHRAGM
20200021933 · 2020-01-16 ·

A method of forming a device having a compliant member includes applying heat to a thermoplastic elastomer to maintain the thermoplastic elastomer in a softened state. The thermoplastic elastomer is extruded in the softened state as a film of thermoplastic elastomer. One or more of a bobbin and a housing, each having and end, is positioned such that the end extends at least partially into the film of thermoplastic elastomer. The positioning occurs when the thermoplastic elastomer is in the softened state and/or the bobbin and/or housing is at a temperature that is greater than a temperature of the film of thermoplastic elastomer. The film is cooled so that the bobbin and/or housing are secured to the film and so that the thermoplastic elastomer is in a state that exhibits rubber-like properties.

METAL/RESIN COMPOSITE STRUCTURE AND METHOD FOR MANUFACTURING SAME
20190389146 · 2019-12-26 ·

Provided are: a metal-resin composite structure, including a surface-roughened metal member and a resin member bonded to the metal member and composed of a polyarylene sulfide resin (PAS) composition; a PAS resin composition and a resin member, for use in the metal-resin composite structure; and a method. More specifically, provided are: a PAS resin composition including a PAS resin (A) and a phenol resin (B) in an amount of 0.05 to 20 parts by mass with respect to 100 parts by mass of the resin (A); a resin member obtained by melt-molding the PAS resin composition; and a metal-resin composite structure including a surface-roughened metal member and a resin member bonded to the metal member and composed of the PAS resin composition, wherein the metal member is made of aluminum, copper, magnesium, iron, titanium or an alloy containing at least one of them; and a method for producing the same.

METHOD OF MOLDING OUTER LAYERS ABOUT A SUBASSEMBLY WITHOUT EXPOSING THE SUBASSEMBLY TO PROLONGED HEAT AND PRESSURE
20190381712 · 2019-12-19 · ·

Method of making golf ball comprising aligning thermoformed depressions with dimpled mold cups and applying sufficient heat and suction to the thermoformed depressions without exposing any preselected subassembly to the heat and suction to soften the polymeric material of each thermoformed depression and draw air outward from a volume located between an inner surface of the dimpled mold cup and an outer surface of the thermoformed depression to form a thermoformed pre-form half-shell having an outer surface with the size, shape and contour of the inner surface of the dimpled mold cup(s) and an inner surface with the size, shape and contour of the outer surface of a preselected subassembly. Afterwards, a preselected subassembly is loaded between a pair of thermoformed pre-form half-shells and molded under sufficient short-term heat and suction to form the golf ball. The thickness of each thermoformed depression and thermoformed pre-form half-shell may be tapered.

Laser welded structure, electronic controller and manufacture method for laser welded structure

A laser welded structure is formed by laser welding together a resin molded body formed from a thermoplastic polymer alloy containing a crystalline resin and an amorphous resin and a metal body made of a metal. A glass transition temperature of the amorphous resin is lower than a melting start temperature of the crystalline resin.

Metal/resin composite structure and method for manufacturing same
11911974 · 2024-02-27 · ·

Provided are: a metal-resin composite structure, including a surface-roughened metal member and a resin member bonded to the metal member and composed of a polyarylene sulfide resin (PAS) composition; a PAS resin composition and a resin member, for use in the metal-resin composite structure; and a method. More specifically, provided are: a PAS resin composition including a PAS resin (A) and a phenol resin (B) in an amount of 0.05 to 20 parts by mass with respect to 100 parts by mass of the resin (A); a resin member obtained by melt-molding the PAS resin composition; and a metal-resin composite structure including a surface-roughened metal member and a resin member bonded to the metal member and composed of the PAS resin composition, wherein the metal member is made of aluminum, copper, magnesium, iron, titanium or an alloy containing at least one of them; and a method for producing the same.

A METHOD OF ATTACHING AT LEAST TWO PIECES OF FABRIC AND A FOOTWEAR COMPRISING A MEMBRANE
20240049820 · 2024-02-15 ·

A method of attaching at least two pieces of fabric in a waterproof fabric product. The at least two pieces of fabric are attached at a seam. The seam subsequently is sealed by application of a sealing tape. The method includes attaching the at least two pieces of fabric to each other by a welding process to form a welded seam, and performing the sealing by applying the sealing tape to cover the welded seam at one side of the fabric. A waterproof fabric product that has been produced using the method of attaching at least two pieces of fabric. A footwear includes a membrane including at least two pieces of fabric that are attached at a seam.