B29C48/0011

COEXTRUSION OF PERIODICALLY MODULATED STRUCTURES
20220024100 · 2022-01-27 ·

A method for manufacturing a foil having a variable strip geometry, which makes it possible to supply a foil that bears a complex security feature. Varying of the geometry is effected by means of a movement of a position-variable distributor rail of the extruder.

METHOD FOR FORMING A STRESS-FREE MULTILAYER PVC SHEET MATERIAL
20230321966 · 2023-10-12 ·

A method for forming a multilayer plastic sheet material is disclosed, where a first polymer mass is melted under pressure and is passed through an extruder head at a specified discharge rate in the form of a plastic strand in sheet form that is provided with one or more layers so that a multilayer plastic strand is formed. This is passed to two or more rolls of a finishing stand that processes the multilayer plastic strand into a sheet. After the plastic strand in sheet form leaves the extruder head, it is first passed between a top roll and a bottom roll of a roughing stand. The speed of the rolls of the finishing stand and the rolls of the roughing stand is synchronized with the discharge rate of the plastic strand in sheet form from the extruder head, so that the plastic strand is processed without stress.

Method for manufacturing a labeling article with an encapsulated tag end
11783731 · 2023-10-10 · ·

A method is described for forming a plurality of articles. The method includes creasing a tag substrate between first and second ends to form a first fold, wherein a first bent portion is defined between the first end and the first fold; lifting the first bent portion away from the central span to initiate elastomer to flow under the first bent portion; disposing the elastomer on at least a portion of a central span of the tag substrate; and bonding the elastomer to the tag substrate at a first connection zone, wherein a first elastomer portion extends along a rear surface of the first bent portion and a second elastomer portion extends along a front surface of the first bent portion.

Pressurizing pre-impregnating die head special for fiber reinforced plastic sheet machine

A pressurizing pre-impregnating die head for a fiber reinforced plastic sheet machine is provided. The die head includes a body; at least one group of fiber channels arranged in a longitudinal hole-through manner in a middle of the body, and a fiber yarn conveyed in the fiber channel. The body includes a feeding port and discharging ports, which communicate with each other. The discharging ports are located in outer sides of the fiber channel. Thermoplastic base materials in a molten state are paved on two sides of the fiber yarn. The thermoplastic base materials may be paved on surfaces of the two sides of the fiber yarn when being extruded.

FASTENER PART
20230320464 · 2023-10-12 ·

A fastener part consisting of at least one planar substrate part (10), on one side of which a plurality of mushroom-head-like fastener elements are arranged, each of which, as an integral part of the substrate part (10), has a solid stem part (17) formed in the manner of a rotational hyperboloid and extending along a longitudinal axis, wherein to the free end of said stem part (17) a head part (16) adjoins, the edge regions of which form hooking possibilities and project at least partially beyond the stem part (17), and wherein said head part (16) has a crater-like depression (20) on its upper side, characterized in that a plurality of further crater-like depressions (23) is incorporated into the further side (22) of the substrate part (10), opposite to the fastener elements, in that both crater-like depressions (20, 23) of at least some of the fastener elements extend concentrically or mainly concentrically to the longitudinal axis of the respective assigned stem part (17), and in that the respective further crater-like depression (23) has a maximum crater depth ranging between 30 to 60%, preferably 50%, of the thickness of the substrate part (10).

INTERMEDIATE PROCESSING METHOD OF EXTRUDED RESIN SHEET

A process management system virtually segments an extruded resin sheet into individual areas associated with several resin sheets. The individual areas are further virtually segmented into segmented areas. Curvature related information related to a curvature after completion of a heat press processing is acquired for each segmented area for each individual area. In a coating condition per area setting process, coating conditions are set for each segmented area for each individual area in accordance with a curvature based on curvature related information of each segmented area for each individual area. In a coating implementing process, a coating is applied to each segmented area for each individual area based on the coating condition.

Method for easy start-up of a production line for manufacturing extruded plates

A method for starting up a production line for manufacturing extruded plates, wherein an extruded semi-finished product comprising a free end is pressed towards a conveying device, wherein the conveying device is configured to pull the semi-finished product to a separating device, wherein a conveyor belt extending in the conveying direction is placed on the conveying device, the free end of the semi-finished product is pressed onto the conveyor belt, the conveyor belt is pulled together with the semi-finished product towards the separating device, and the free end of the semi-finished product arriving at the separating device is introduced into the separating device, while the conveyor belt is pulled away from the semi-finished product upstream of the separating device. This enables a cost-effective production of panels made from the plates.

METHODS AND MACHINES FOR MAKING ORAL PRODUCTS

A method of forming an oral product includes extruding a mixture, conveying the extruded mixture through one or more pairs of forming rollers, and cutting the extruded mixture into one or more oral products. The mixture can include polymer and at least one flavorant, sweetener, active ingredient, or combination thereof. The extruded mixture forms an extrudate having a predetermined cross-sectional shape. The one or more pairs of forming rollers abut to define a passage there between as each forming roller rotates. The passage has a cross-sectional shape corresponding to the predetermined cross-sectional shape. The method can be performed using a machine including an extruder, one or more pairs of forming rollers, and a cutting device.

ECO-FRIENDLY THERMOPLASTIC POLYURETHANE FLOORING MATERIAL HAVING EXCELLENT DIMENSIONAL STABILITY AND ABRASION RESISTANCE, AND MANUFACTURING METHOD THEREFOR
20230286198 · 2023-09-14 ·

Provided is an eco-friendly structural flooring material including a surface-treated layer, a surface layer including a print layer, a core layer, and a balance layer which are consecutively laminated from the top, wherein the surface-treated layer, the surface layer containing the print layer, the core layer, and the balance layer are made of a thermoplastic polyurethane resin layer.

Rubber strip manufacturing method and rubber strip manufacturing apparatus
11745404 · 2023-09-05 · ·

A rubber strip manufacturing method that includes a step of extruding a rubber from an extrusion orifice of an extruder includes: a step of forming a long rubber member by extruding the rubber from the extrusion orifice that is circular; and a step of forming a rubber strip by passing the long rubber member through a gap between a pair of rotating rollers. The gap has a shape that is the widest in a central portion in a direction parallel to rotation axes of the rollers and that narrows as a distance from the central portion increases.