B29C2043/023

POLISHING LAYER, MANUFACTURING METHOD THEREOF, AND POLISHING METHOD

A manufacturing method of a polishing layer is provided. First, a mold for which the mold cavity has a contour pattern is provided, and the cross section of the contour pattern along a direction includes a plurality of recessions and at least one concavity portion, wherein the at least one concavity portion is disposed on the bottom of at least one of the recessions. A polymer material is disposed in the mold cavity. The polymer material is cured to form a semifinished product, wherein the cross section of the semifinished product along the direction includes a plurality of polishing portions corresponding to the recessions and at least one protruding portion corresponding to the at least one concavity portion. A flattening process is performed on the semifinished product to remove the at least one protruding portion.

METHODS OF MANUFACTURING FORMALDEHYDE-FREE MOLDED PRODUCTS AND RELATED PARTS
20230013214 · 2023-01-19 ·

The present invention provides a moldable mixture containing large portion of agricultural fibers and small portion of a binding agent and a flow-promoting filler material. The moldable mixture is substantially free of formaldehyde, with low moisture content and high draw ratio. The present invention also provides methods of manufacturing molded products and related parts, based on the claimed moldable mixture. Molded products (830) and related parts such as runner (810) and plank (820) with light weight, high density and more complex profile are manufactured by the claimed methods including steps of providing required materials for a moldable mixture, mixing the provided materials to form a moldable mixture, shaking the moldable mixture in preparing for compression molding and compression molding the moldable mixture to form molded products and related parts.

Packaging tray and method of manufacture

Thermoplastic packaging trays are provided that are filled with a product and wrapped in film, and methods of producing the tray with a peripheral edge region that avoids tearing of the overwrap film. In various embodiments, the tray has a beaded, a flat, or a combined beaded and flat peripheral edge.

Method for producing a vehicle composite component
11584096 · 2023-02-21 · ·

A method for producing a vehicle composite component with a layer structure having a core layer in a molding tool, the core layer being formed with regions of different thickness is provided. Steps for this method may include placing a cover layer, in particular a preformed cover layer, which in particular forms an outer skin of the vehicle composite component, onto a mold base plate of the open molding tool; introducing a first fiber layer, which is impregnated with PU resin and has not been subjected to forming, between the cover layer and a first mold counterplate of the open molding tool; closing the molding tool and compression molding the first fiber layer, which is impregnated with PU resin, against the cover layer, as a result of which a preform with a first support layer containing the first fiber layer is formed and hardened while supplying heat.

Compression molded cascades with two piece mold

Compression mold assembly for forming a preform of a cascade includes first and second die elements and an axis of alignment. Line of removal of a formed preform is positioned perpendicular to a plane perpendicular to the axis of alignment. First die portion includes first curved surface forming interior surface of first strong back and second die portion includes first curved surface forming interior surface of a second strong back of a cell of a formed preform. Second die portion includes second curved surface forming an interior surface of a first vane on forward side of the cell of the formed preform and first die portion further includes first wall member which extends along line of removal and a second wall member which extends angularly from first wall portion forming an interior surface of a second vane positioned on an aft side of the cell.

PRODUCTION METHOD FOR FIBER MOLDED BODY

A method for manufacturing a fiber formed body includes forming a fiber board into a predetermined outer shape while forming a pattern on an outer surface of the fiber board by compressing the fiber board, a forming at least one positioning member by compressing the fiber board, and positioning, relative to a cutoff device, the fiber board using the positioning member, and cutting off a cutoff target part of the fiber board using the cutoff device. In the method for manufacturing the fiber formed body, formation of the pattern during the forming of the outer shape and formation of the positioning member during the forming of the positioning member are simultaneously performed.

DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF

A diffraction light guide plate comprising an optical layer having diffraction lattice pattern formed as an integrated structure without an interface on one surface thereof, where the optical layer having diffraction lattice pattern is a continuous phase of polymer comprising an episulfide compound, a thiol compound, and an aromatic cyclic compound having two or more hydroxyl groups, the diffraction light guide plate having excellent thickness uniformity and flatness as well as low haze and excellent visibility, and excellent mechanical properties such as pencil hardness and strength, and a method for manufacturing the diffraction light guide plate.

Pouch, Apparatus For Molding The Pouch, And Method For Manufacturing Secondary Battery Comprising The Pouch
20230150176 · 2023-05-18 · ·

An apparatus for molding a pouch, the pouch having a first seating part and a second seating part, that are connected to each other, the pouch being configured such that when an electrode assembly is mounted and sealed therein, the first seating part and the second seating part are folded to cover top and bottom surfaces of the electrode assembly, and the first seating part and the second seating part are in contact with each other. The apparatus includes, a lower mold in which a first groove recessed by a predetermined depth from a top surface thereof is formed, and a second groove is additionally recessed from a bottom surface of the first grove; and an upper mold on which a flat portion is formed on one surface thereof, which is inserted into the first groove, and a protrusion inserted into the second groove protrudes from the flat portion.

Production method and production device of film having fine irregular pattern on surface

A method for producing a film having a fine irregular pattern intermittently includes feeding a film to be processed intermittently from upstream side to the vicinity of the surface of a die having a fine irregular pattern, transferring the pattern to the surface of the film by pressing the film against the surface of a die, stripping the processed film on which a pattern is formed from the surface of a die, and then feeding a new film to be processed to the die, wherein the processed film is stripped from the surface of a die by gripping and moving the processed film to the upstream side, and then the processed film is fed by a length of intermittent feed to the surface of a die while preventing the processed film from creasing.

Apparatus and method for processing cups

An apparatus (1) for processing cups (2), adapted to be filled with coffee or other products, whether solid or liquid, and to be closed with respective lids to form corresponding capsules, comprises: a plurality of pockets (50) for housing the cups (2); an infeed station (4) for receiving the cups (2) and placing them in respective pockets (50) of the plurality of pockets (50); at least one tool (31) for applying a process to a rear face (23B) of an annular flange (23) of a cup (2) housed a respective pocket (50), to form a sealing profile (230); an outfeed station (6) configured to release the cups (2) with the sealing profile (230) formed on them.