B32B37/04

Method for producing a planar composite component and composite component produced thereby
11633939 · 2023-04-25 · ·

A method for producing a planar composite component having a core layer (B), which is arranged between and integrally bonded to two cover layers (A, A′), wherein the cover layers contain a cover-layer thermoplastic and wherein the core layer contains a core-layer thermoplastic, comprises the following steps: a) a heated stack with layer sequence A-B-A′ is provided; b) the heated stack (A-B-A′) is pressed; c) the pressed stack is cooled, whereby the planar composite component with consolidated layers integrally bonded to each other is formed. To improve the production method including the producibility of planar 3D components, it is proposed, that at least one of the cover layers (A, A′) in unconsolidated form comprises a fibrous nonwoven layer of 10 to 100 wt.-% thermoplastic fibers of the cover-layer thermo-plastic and 0 to 90 wt.-% of reinforcing fibers having an areal weight of 300 to 3,000 g/m.sup.2; the core layer (B) in unconsolidated form comprises at least one randomly-oriented-fiber nonwoven layer (D) formed from reinforcing fibers and thermoplastic fibers of the core-layer thermoplastic,
and that after the pressing the consolidated core layer(s) has/have an air pore content of <5 vol.-% and the consolidated core layer has an air pore content of 20 to 80 vol-%.

Method for producing a planar composite component and composite component produced thereby
11633939 · 2023-04-25 · ·

A method for producing a planar composite component having a core layer (B), which is arranged between and integrally bonded to two cover layers (A, A′), wherein the cover layers contain a cover-layer thermoplastic and wherein the core layer contains a core-layer thermoplastic, comprises the following steps: a) a heated stack with layer sequence A-B-A′ is provided; b) the heated stack (A-B-A′) is pressed; c) the pressed stack is cooled, whereby the planar composite component with consolidated layers integrally bonded to each other is formed. To improve the production method including the producibility of planar 3D components, it is proposed, that at least one of the cover layers (A, A′) in unconsolidated form comprises a fibrous nonwoven layer of 10 to 100 wt.-% thermoplastic fibers of the cover-layer thermo-plastic and 0 to 90 wt.-% of reinforcing fibers having an areal weight of 300 to 3,000 g/m.sup.2; the core layer (B) in unconsolidated form comprises at least one randomly-oriented-fiber nonwoven layer (D) formed from reinforcing fibers and thermoplastic fibers of the core-layer thermoplastic,
and that after the pressing the consolidated core layer(s) has/have an air pore content of <5 vol.-% and the consolidated core layer has an air pore content of 20 to 80 vol-%.

Elastic laminates with curved elastics and methods for manufacturing

Elasticated materials and articles comprising elasticated materials are disclosed. In an embodiment, an elasticated material may comprise a first layer, second layer, an elastomeric strand disposed between the first and second layers, and a plurality of bonds bonding the first and second layers together. The strand may have straight and arcuate portions. The bonds may comprise a first and a second bond and may be disposed on opposite sides of the strand and separated a distance less than an un-tensioned diameter of the strand. The first and second bonds may be disposed along a strand straight portion. The plurality of bonds may further comprise a third and fourth bond which are longitudinally adjacent and disposed on opposite sides of the strand and spaced apart a distance greater than the un-tensioned diameter of the strand. The third and fourth bonds may be disposed along a strand arcuate portion.

Manufacturing method and manufacturing apparatus for laminate
11597195 · 2023-03-07 · ·

A manufacturing method including a first conveying step of conveying the sheet in a lateral or oblique lateral direction along a sheet pass line below the discharge port; a receiving step of receiving a tip part of the film raw material with the sheet on the sheet pass line, the tip part being discharged and hanging down from the discharge port; a second conveying step of conveying the sheet and the film raw material after the tip part overlaps the sheet on the sheet pass line, the second conveying step conveying the sheet and the film raw material in a mutually overlapping state along the sheet pass line; and an introducing step of introducing the sheet and the film raw material in the mutually overlapping state to the joining part from the sheet pass line.

Stamping unit for pressing foamed material onto substrate
11597194 · 2023-03-07 ·

A tool for pressing a foamed material onto a substrate, a manufacturing apparatus thereof, and a method for manufacturing a laminated structure of a heat-retaining container are disclosed. The tool comprises a body, a blade portion extending in a lengthwise direction from the body, and a press portion extending in the lengthwise direction from the body and configured for pressing the foamed material onto the substrate. The tool may be used to press a foamed material sheet onto a paper substrate and form a tear line on the foamed material sheet at the same time to simplify the manufacturing process of the laminated structure of a heat-retaining container.

Stamping unit for pressing foamed material onto substrate
11597194 · 2023-03-07 ·

A tool for pressing a foamed material onto a substrate, a manufacturing apparatus thereof, and a method for manufacturing a laminated structure of a heat-retaining container are disclosed. The tool comprises a body, a blade portion extending in a lengthwise direction from the body, and a press portion extending in the lengthwise direction from the body and configured for pressing the foamed material onto the substrate. The tool may be used to press a foamed material sheet onto a paper substrate and form a tear line on the foamed material sheet at the same time to simplify the manufacturing process of the laminated structure of a heat-retaining container.

STRUCTURALLY-COLORED ARTICLES AND METHODS FOR MAKING AND USING STRUCTURALLY-COLORED ARTICLES
20230120956 · 2023-04-20 ·

One or more aspects of the present disclosure provide articles of manufacture and components of articles that incorporate an optical element that imparts a structural color to the component or the article. The component comprises a thermoplastic polymeric material, and can include or be made to have a textured surface.

LAYERED NONWOVEN TEXTILE AND METHOD OF FORMING THE SAME
20230124706 · 2023-04-20 ·

Layered nonwoven textile containing a first layer (T) of filaments, which contains endless filaments containing a first carrier polymer (A1) and a first binding polymer (B1), which forms at least a part of surface of said endless filaments and which has a melting temperature at least 5° C. lower than the first carrier polymer (A1), wherein the first layer (T) of filaments contains bonding points in a spaced arrangement, wherein the bonding points interconnect the filaments and are formed by the first binding polymer (B1), a second layer (M) of filaments, which contains filaments containing a carrier material, the stiffness of which is lower than the stiffness of the first carrier polymer (A1), and a second binding polymer (B2), which has a melting temperature at least 5° C., preferably at least 10° C., lower than the carrier material and the first carrier polymer (A1), wherein the second layer (M) of filaments contains bonding points in a spaced arrangement, wherein the bonding points interconnect the filaments of the second layer (M) and are formed by the second binding polymer (B1).

LAYERED NONWOVEN TEXTILE AND METHOD OF FORMING THE SAME
20230124706 · 2023-04-20 ·

Layered nonwoven textile containing a first layer (T) of filaments, which contains endless filaments containing a first carrier polymer (A1) and a first binding polymer (B1), which forms at least a part of surface of said endless filaments and which has a melting temperature at least 5° C. lower than the first carrier polymer (A1), wherein the first layer (T) of filaments contains bonding points in a spaced arrangement, wherein the bonding points interconnect the filaments and are formed by the first binding polymer (B1), a second layer (M) of filaments, which contains filaments containing a carrier material, the stiffness of which is lower than the stiffness of the first carrier polymer (A1), and a second binding polymer (B2), which has a melting temperature at least 5° C., preferably at least 10° C., lower than the carrier material and the first carrier polymer (A1), wherein the second layer (M) of filaments contains bonding points in a spaced arrangement, wherein the bonding points interconnect the filaments of the second layer (M) and are formed by the second binding polymer (B1).

MULTILAYER THERMOPLASTIC STRUCTURE WITH CARBON NANOTUBE HEATERS

A multilayer heating structure for controlling ice accumulation on a surface of an aircraft includes a carbon nano-tube (CNT) heater. The heater includes: a CNT layer; a first encapsulation layer disposed on a first side of the CNT layer formed of a first encapsulation layer thermoplastic material; and a second encapsulation layer disposed on a second side of the CNT layer formed of a second encapsulation layer thermoplastic material.