B29C2793/0027

Composite manufacturing
11478956 · 2022-10-25 · ·

A composite article manufacturing facility comprising: a plurality of forming stations (1), each forming station being capable of forming pieces from a feedstock of a laminar reinforcement material; a plurality of lay-up stations (3), each lay-up station being capable of arranging a stack of the formed pieces in overlapping fashion; a transfer mechanism (2) configured to simultaneously transport formed portions from multiple ones of the forming stations towards multiple ones of the lay-up stations; a memory (93) storing a first sequence of pieces to be laid up at a first one of the lay-up stations and a second sequence of pieces to be laid up at a second one of the lay-up stations; and a controller (90) coupled to the forming stations, the lay-up stations and the transfer mechanism for controlling the operations thereof, the controller having access to the memory and being configured to, when a formed piece of the first sequence and a formed piece of the second sequence are loaded on the transfer mechanism, cause the transport mechanism to simultaneously transport them towards the first and second lay-up stations respectively.

Method for manufacturing measurement pipeline portion of ultrasonic flow meter
11480454 · 2022-10-25 · ·

A soft-melted parison is disposed in molds forming a shape of a measurement pipeline portion 10, the parison is expanded by means of gas inflow, and blow molding is performed. The shapes of a pipe body 11, a fluid inlet portion 12, and a fluid outlet portion 13 are formed by an inner mold of the molds. Ultrasonic wave input-output portions 14a and 14b bulging outwards in a sealed manner are formed on both sides positioned in the oblique direction of the pipe body 11 with respect to a center line of the pipe body 11. Parts of the ultrasonic wave input-output portions 14a and 14b are wall surfaces 15a and 15b for attaching ultrasonic wave transmission-reception units. The measurement pipeline portion 10 is obtained by cutting end portions of the fluid inlet portion 12 and the fluid outlet portion 13 after the parison is solidified.

Pressure-resistant container
11603232 · 2023-03-14 · ·

The invention relates to a can containing a liquid and/or a gaseous medium which has positive pressure or develops such during transport or storage, wherein the cylindrical can shell of the can consists mainly of paper or cardboard material and is closed at the bottom with a bottom element and at the top with a cover element, wherein the can withstands an internal pressure of at least 5 bar, wherein the innermost layer of the can shell consists of a straight-wound barrier layer having a longitudinally extending folded seam, wherein the barrier layer is a prefabricated laminate made of an inner diffusion-tight barrier film or an inner diffusion-tight barrier laminate and an outer kraft paper layer.

THERMOFORMING APPARATUS AND PROCESS

Thermoforming apparatus (1) for thermoforming an article (2), preferably a permeable article (2′), comprising: an elastic membrane (3,3′); a mould (4,4′); a hot air source (5) configured to blow a hot airflow (6) towards a zone (7) of the apparatus (1) configured to receive the article (2,2′) to be thermoformed; an actuation system (8) configured to move the mould (4,4′) towards the membrane (3,3′) or vice versa to compress the heated article (2,2′) between the membrane (3,3′) and the mould (4) such that an elastic force of the membrane (3,3′) on the article (2,2′) forces the article (2,2′) to assume the shape of the mould (4).2. Thermoforming apparatus (1) according to claim 1, wherein the mould (4′) and/or membrane (3′) are perforated so to permit a transit of the hot airflow (6) from the hot air source (5) to said zone (7). Thermoforming process of an article (2,2′) in a thermoforming apparatus (1) comprising an elastic membrane (3,3′), a mould (4,4′) and a hot air source (5), comprising the steps of: heating the article (2,2′) through a hot airflow (6) blew by the hot air source (5); compressing the heated article (2,2′) between the membrane (3,3′) and/or the mould (4,4′) by uniquely moving the mould (4,4′) and the membrane (3,3′) one toward the other such that an elastic force of the membrane (3,3′) forces the article (2,2′) to assume the shape of the mould (4,4′).

METHOD OF MANUFACTURING ELONGATED FOAM SHEET, METHOD OF MANUFACTURING COMPOSITE MATERIAL AND ELONGATED FOAM SHEET
20230127339 · 2023-04-27 ·

In order to provide a manufacturing method of an elongated foam sheet capable of manufacturing the elongated foam sheet with highly-precise thickness without being limited by the material and thickness of foam material, a method of manufacturing an elongated foam sheet includes performing a slice process in which a foam sheet is created by slicing a foam block and a sheet pasting process in which a large number of foam sheets are arranged and pasted onto one side of an elongated base material sheet to manufacture the elongated foam sheet where the large number of foam sheets are lined up in a longitudinal direction of the base material sheet.

Aircraft electrical isolation component and method of manufacturing electrical isolation component

A structural assembly of an aircraft has a fastener extending into first and second structural members. A washer is disposed between the fastener and one of the structural members to electrically insulate the fastener and the structural members. The washer has a core of reinforcement fibers supported in a thermoplastic matrix material. Electrically-insulating outer layers of glass fibers overlay the core.

System and Method for Molding Plastic Composite Material Panel
20230122162 · 2023-04-20 ·

An embodiment system for molding a plurality of plastic composite material panels to be assembled on a vehicle body includes a coextrusion unit configured to manufacture a multi-layered sheet in which a plurality of resin layers are laminated, a thermoforming unit configured to manufacture a forming sheet having a plurality of panel forming portions partitioned by a forming connection portion by thermoforming the multi-layered sheet, a reinforcing source spraying unit configured to spray a reinforcing source in which a fiber material and a polyurethane compound are mixed toward a preset region on the forming sheet, and a press-molding unit configured to press-mold the forming sheet applied with the reinforcing source to manufacture a composite material panel sheet in which a reinforcing layer is formed on the forming sheet.

METHOD FOR MANUFACTURING MICRONEEDLE ARRAY

Provided is a method for manufacturing a microneedle array, which enables efficient and stable manufacturing of a microneedle array including a needle-shaped protrusion having a constricted shape. The method for manufacturing a microneedle array includes: a first cutting step of forming a needle-shaped protrusion by cutting a base material by a first cutting tool; a second cutting step of forming a constricted shape in the needle-shaped protrusion by cutting a part of the needle-shaped protrusion by a second cutting tool different from the first cutting tool; a mold forming step of molding, from a plate precursor manufactured through the first cutting step and the second cutting step, a resin mold having a needle-shaped hole which has an inverted shape of the plate precursor; a first array manufacturing step of filling the needle-shaped hole of the resin mold with a drug solution and then drying the drug solution; a second array manufacturing step of filling the needle-shaped hole with a base material solution and drying the base material solution, after the first array manufacturing step; and a peeling step of peeling, from the resin mold, a microneedle array manufactured by the resin mold.

Automated tow/tape placement system

Systems, methods, and devices of the various embodiments may provide Automated Tape (or Tow) Placement (ATP) systems including machine-based parts that support prepreg tape laying processes to build composite parts. Various embodiments may be applied to materials that may be consolidated during fabrication and/or may be used to fabricate parts that may require post processing steps.

Mitigating defects in an electrochromic device under a bus bar

Methods are provided for fabricating electrochromic devices that mitigate formation of short circuits under a top bus bar without predetermining where top bus bars will be applied on the device. Devices fabricated using such methods may be deactivated under the top bus bar, or may include active material under the top bus bar. Methods of fabricating devices with active material under a top bus bar include depositing a modified top bus bar, fabricating self-healing layers in the electrochromic device, and modifying a top transparent conductive layer of the device prior to applying bus bars.