B30B5/062

Device for compacting powder material, in particular ceramic material

A device (100) for compacting a layer (MT) of powder material; the device (100) comprises a movable surface (12), which is designed to convey the layer (MT) of powder material in a predefined feeding direction (F); a compacting belt (22) positioned over the transport surface (12); a pressing station (40, 45, 50, 55), which is designed to press the compacting belt (22) towards the transport surface (12), so as to press the layer (MT) of powder material; and an expansion countering station (80), which is designed to counter the expansion of the layer (MT) of powder material downstream of the pressing station (40, 45, 50, 55) and comprises a pusher delivering a gas under pressure to create a pushing gas cushion (STR; STR*) on the compacting belt (22).

Production device and production method for pultrusion molded article

This device for producing a pultrusion molded article is provided with: a mold member that heats and cures an intermediate molded article as a result of the mold member contacting an intermediate molded article in which reinforcing fibers are impregnated with a thermosetting resin; a pultrusion device for extracting, in the pultruding direction, the pultrusion molded article formed by heating and curing the intermediate molded article; and a moving device for moving the mold member in the pultruding direction in synchronization with the pultrusion device.

Continuous sheet press and method of operating same

A press for making a continuous sheet from composite material has upper and lower press belts having respective lower and upper reaches that vertically spacedly confront one another across a press gap having an upstream inlet end and a downstream outlet end, and that have transversely spaced outer edges extending in the direction. The belts are advanced direction and thereby draw a mat of the composite material in the inlet end, compress it into the sheet, and expelling the sheet from the downstream end. Two transversely spaced elastic seal strips extend in the direction in the gap and are each engaged between a respective one of the outer edges of the upper belt and the respective outer edge of the lower belt. Each belt has at each of the edges a surface in engagement with the respective edge strip and having an average peak-to-valley height of less than 1 m.

METHODS AND ARRANGEMENTS FOR CONTINUOUS MANUFACTURE OF BUILDING PANELS

A continuous press arrangement for manufacture of building panels, such as floor or wall panels, includes upper and lower press belts configured to form a product path therebetween for feeding a product in a feeding direction in response to rotation of one or more drums. An upper and a lower press table each include a displaceable pressure cushion configured to facilitate a pressure zone extending along at least a portion of said path. At least one of the press tables includes one or more pressure bars disposed upstream and/or downstream the pressure cushion, in the feeding direction. The one or more pressure bars are configured to apply a pressure to the upper press belt and/or the lower press belt respectively in a direction towards the product path.

SLIDING SURFACE FOR A CONTINUOUSLY OPERATING DOUBLE-BELT PRESS AND DOUBLE-BELT PRESS
20200031075 · 2020-01-30 ·

The invention pertains to a sliding surface for a continuously operating double-belt press for manufacturing endless material strips such as laminates, particularly copper laminate, decorative laminate, fiber-reinforced plastic laminates and/or other technical laminates, wherein the double-belt press comprises an upper and a lower endless press belt (04) that are guided over deflection rollers, wherein a reaction zone (13), in which the material strip is guided and pressed together under a surface pressure, is formed between the opposing outer sides of the press belts, wherein the double-belt press furthermore has a pressure chamber (08) that generates at least part of the surface pressure and is formed in the reaction zone (13) between a base element (07), particularly a heating plate, and an inner side (11) of the press belt (04), wherein said pressure chamber can be acted upon with a fluidic pressure medium and is laterally bounded and sealed by the at least one annular, closed sliding surface (01), wherein the sliding surface (01) has a sealing surface (12) for abutting on the inner side (11) of the press belt (04) in a sealing manner, wherein the sliding surface (01) comprises a sealing element (02) that forms the sealing surface (12) and a sealing frame (03) that at least partially accommodates the sealing element (02) and serves for movably supporting the sliding surface (01) in the base element (07), particularly in the heating plate, wherein a compression element (17) is arranged between the sealing frame (03) and the sealing element (02) at least in a pressing direction, and wherein said compression element allows a motion of the sealing element (02) relative to the sealing frame (03) due to an elastic compression, especially in reaction to a pressure application on the sliding surface (01) in the pressing direction.

DEVICE FOR COMPACTING POWDER MATERIAL, IN PARTICULAR CERAMIC MATERIAL
20190358851 · 2019-11-28 ·

A device (100) for compacting a layer (MT) of powder material; the device (100) comprises a movable surface (12), which is designed to convey the layer (MT) of powder material in a predefined feeding direction (F); a compacting belt (22) positioned over the transport surface (12); a pressing station (40, 45, 50, 55), which is designed to press the compacting belt (22) towards the transport surface (12), so as to press the layer (MT) of powder material; and an expansion countering station (80), which is designed to counter the expansion of the layer (MT) of powder material downstream of the pressing station (40, 45, 50, 55) and comprises a pusher delivering a gas under pressure to create a pushing gas cushion (STR; STR*) on the compacting belt (22).

PRODUCTION DEVICE AND PRODUCTION METHOD FOR PULTRUSION MOLDED ARTICLE

This device for producing a pultrusion molded article is provided with: a mold member that heats and cures an intermediate molded article as a result of the mold member contacting an intermediate molded article in which reinforcing fibers are impregnated with a thermosetting resin; a pultrusion device for extracting, in the pultruding direction, the pultrusion molded article formed by heating and curing the intermediate molded article; and a moving device for moving the mold member in the pultruding direction in synchronization with the pultrusion device.

Feed device for reinforcing fiber material and method for cutting reinforcing fiber material by using the feed device

A cutting mechanism includes a cutter roll and a rotational driving mechanism for rotationally driving the cutter roll. The cutter roll has a roll body and a blade portion protruding from a peripheral surface of the roll body. The blade portion is formed at a same position on a circumference of the roll body and extends in an axial direction of the roll body. The cutter roll is arranged so that the axial direction is at a predetermined angle with respect to a pull-out direction of the reinforcing fiber material. The cutting mechanism further includes a slide mechanism that displaces cutter roll in the axial direction toward a side in the pull-out direction of the reinforcing fiber material at least when the reinforcing fiber material is cut.

DOUBLE-BELT PRESS
20240217146 · 2024-07-04 ·

In a double-belt press, an inner seal has an inner seal flow passage having an intake port via which a sealing fluid supplied into an inner sealing groove is taken in and a jet port via which the sealing fluid taken in via the intake port jets toward belts. The outer seal has an outer seal flow passage having an intake port via which the sealing fluid supplied into an outer sealing groove is taken in and a jet port via which the sealing fluid taken in via the intake port jets toward the belts. The partition wall has a plurality of fluid supply passages that supply each of the inner sealing groove and the outer sealing groove with the sealing fluid and a plurality of fluid recovery passages that recover the sealing fluid accumulating in the space formed between the inner seal and the outer seal.

FEED DEVICE FOR REINFORCING FIBER MATERIAL AND METHOD FOR CUTTING REINFORCING FIBER MATERIAL BY USING THE FEED DEVICE
20180037018 · 2018-02-08 ·

A cutting mechanism includes a cutter roll and a rotational driving mechanism for rotationally driving the cutter roll. The cutter roll has a roll body and a blade portion protruding from a peripheral surface of the roll body. The blade portion is formed at a same position on a circumference of the roll body and extends in an axial direction of the roll body. The cutter roll is arranged so that the axial direction is at a predetermined angle with respect to a pull-out direction of the reinforcing fiber material. The cutting mechanism further includes a slide mechanism that displaces cutter roll in the axial direction toward a side in the pull-out direction of the reinforcing fiber material at least when the reinforcing fiber material is cut.