B29C51/004

APPARATUS FOR MAKING CONTAINERS WHICH COMPRISE A SUPPORTING SKELETON AND A LAYER OF THERMOFORMABLE MATERIAL COUPLED TO THE SUPPORTING SKELETON
20230018304 · 2023-01-19 ·

An apparatus for making containers (2) comprising a rotor (6) rotatably mounted on a supporting structure (5), a thermoforming device (7) comprising a supporting unit (11) mounted on the rotor (6) and a closing unit (12) which is stationary relative to the rotation of the rotor (6), a feeding device (8) for feeding to the supporting unit (11) a first article (13) for making a supporting skeleton (3), a positioning device (16) for positioning a sheet of thermoformable material (14) between the supporting unit (11) and the closing unit (12), and an extracting device (9) configured to extract the containers (2) from the supporting unit (11), the rotor (6) rotating in a stepping fashion to position the supporting unit (11) one after another in a loading predetermined angular position in which the feeding device (8) feeds a first article (13) to it, a thermoforming predetermined angular position in which the closing unit (12) and the supporting unit (11) are coupled for thermoforming the sheet of thermoformable material (14) on the first article (13), and an unloading predetermined angular position in which the extracting device (9) picks up the finished container (2) from the supporting unit (11).

Method for producing a biodegradable nonwoven fabric

The present disclosure provides: a biodegradable nonwoven fabric for thermoforming, the biodegradable nonwoven fabric being composed of a fiber of a polylactic acid-based polymer, and having a basis weight of 20-300 g/m.sup.2, preferably, a biodegradable nonwoven fabric characterized by being composed of a long fiber of a polylactic acid polymer, having an MD-direction elongation of 50% or more at 120° C., and having an MD-direction dimensional change rate of ±4% or less at 80-140° C. as determined by thermomechanical analysis; a method for producing a molded body by using said biodegradable nonwoven fabric; and a method for molding a biodegradable beverage extraction container, the method being characterized in that the molded body has an MD-direction elongation change rate of 4% or less, as determined by thermomechanical analysis (TMA) under a load of 0.05 N/2 mm at 30-100° C.

DEEP-DRAWN SEGMENT

A method for producing a water-tight, water-vapour-permeable segment, having a three-dimensional contour, for a shoe shaft, an item of clothing or a rucksack or for producing a shoe shaft, an item of clothing or a rucksack, the segment being free of connection points in its surface, and the method for producing the segment being a thermoforming process in which the two-dimensional flat structure obtained is completely laminated in its entirety, the segment being free of connection points in its surface. Also, a water-tight, water-vapour-permeable segment of a three-dimensional functional laminate for introduction into a shoe or shoe shaft, an item of clothing or a rucksack, the segment being dimensionally stable under its own weight, of a single piece and free of connection points in its surface.

COMPOSITE PANELS AND PARTS
20220379593 · 2022-12-01 ·

The disclosed composite structure provides a reinforced thermoplastic polymer composite part with a high-quality surface finish. This may be used as a vehicle part or body panel, such as an interior vehicle part or exterior body panel. Additionally, the surface finish may be coloured, such that the surface does not need to be painted or wrapped to achieve a desired surface colour, and the surface may protect inner layers from UV radiation, either by virtue of the material of the surface itself, or the incorporation of a UV-absorbing additive. Specifically, the disclosed composite structure comprises a structural layer comprising reinforcing fibres, such as glass or carbon fibres, and a thermoplastic body polymer. The structure further comprises a surface layer providing a surface finish to the composite structure, the surface layer comprising a thermoplastic surface polymer substantially free from reinforcing fibres.

Knit textiles and uppers, and processes for making the same

Articles of wear having one or more textiles that include a low processing temperature polymeric composition and a high processing temperature polymeric composition, and methods of manufacturing the same are disclosed. The low processing temperature polymeric composition and the high processing temperature polymeric composition can be selectively incorporated into a textile to provide one or more structural properties and/or other advantageous properties to the article. The textile can be thermoformed to impart such structural and/or other advantageous properties to the article of wear. 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.

Process for producing composite material parts by impregnating a specific preform
11491741 · 2022-11-08 · ·

A method for producing a composite material. The method includes the steps of producing an initial dry preform, formed from unidirectional continuous dry fibers, applying non-woven filaments to a first main face of the dry preform, and needling the filaments with a needling device. The needling device includes a plurality of needles, each provided with at least one notch, so that filaments are driven by the needles and arranged in a direction substantially perpendicular to the continuous fibers of the dry perform. The method includes the further step of impregnating the dry preform with an impregnation polymer, the impregnation polymer constituting the matrix of the composite material part.

EFFICIENT AUTOMATIC INTELLIGENT BRAIDING MACHINE
20230100205 · 2023-03-30 ·

Disclosed is an efficient automatic intelligent braiding machine, which includes a yarn feeding device, a winding device positioned at one end of the yarn feeding device, a mold plate conveying device positioned below the winding device, a preforming device positioned above the winding device, and a thermoforming device positioned close to the mold plate conveying device; the mold plate conveying device is used for holding a mold plate placed thereon, and the mold plate is provided with a plurality of surrounding columns. The braiding machine is an integrated equipment including yarn feeding device, winding device, mold plate conveying device, preforming device, thermoforming device and discharging device, which may realize a whole process of feeding, winding, thermoforming and discharging, with a highly automated operation, high efficiency, and low labor cost. The equipment is able to produce knitted fabrics of different shapes and configurations through various winding trajectory.

METHOD FOR PRODUCING A HOLLOW PROFILE COMPONENT, MOLD TOOL AND HOLLOW PROFILE COMPONENT

A method for producing a channel-shaped hollow profile component from a nonwoven material includes providing first and second nonwoven material layers arranging the first and second nonwoven material layers in a mold tool having first and second mold tool halves and a core body wherein a formation of the first and second nonwoven material layers and the core body is arranged between the first and second mold tool halves, and wherein the core body is arranged between the first and second nonwoven material layers in the formation, and simultaneously forming the first and second nonwoven material layers in the mold tool to form a first nonwoven partial shell and a second nonwoven partial shell.

Formed sheet membrane element and filtration system
11642628 · 2023-05-09 · ·

A piece of substrate material is formed under heat and pressure against a cavity into a shaped substrate sheet having one or more depressions. Two substrate sheets are bonded together to form a substrate wherein the one or more depressions form one or more interior channels. The substrate, if not formed with pre-coated substrate material, is coated with a dope and quenched to form a filtering membrane. A plurality of membranes may be placed side by side to form a bundle with permeating ends of the membrane, which are open to the one or more interior channels, separated by gaps or spacers. The bundle is connected to a header to produce a module. The module can be assembled into a cassette.

Method for manufacturing an article of underwear such as bra
11647803 · 2023-05-16 · ·

A method of manufacturing a bra, comprising providing a first fabric layer as an outer layer, a second fabric layer as an inner layer, and a material made of thermo-adhesive polyurethane film that joins elements between the two fabric layers in a finished bra; sprinkling the first fabric layer on a side facing the second fabric layer with a reactive hotmelt polyurethane glue, which is reactivated only once; applying the thermo-adhesive polyurethane film on a side of the second fabric layer facing the first fabric layer; superimposing the two fabric layers such that the side of the first fabric layer covered with the glue faces the second layer and the thermo-adhesive polyurethane film portions applied to the second fabric layer face the first fabric layer; joining the two layers by hot-pressing with the thermo-adhesive polyurethane film portions, and reactivating the polyurethane glue to become temporarily in a liquid phase and triggering a cross-linking process causing the glue to solidify permanently.