D21J3/00

TOOL OR TOOL PART, SYSTEM INCLUDING SUCH A TOOL OR TOOL PART, METHOD OF PRODUCING SUCH A TOOL OR TOOL PART AND METHOD OF MOLDING A PRODUCT FROM A PULP SLURRY
20170370049 · 2017-12-28 ·

The present document discloses a tool or tool part for use in a process of molding a product from a pulp slurry. The tool or tool part comprises a self-supporting tool wall portion having a product face, for contacting the product, and a back face on the other side of the wall relative to the product face. The tool wall portion presenting pores, which are provided by a plurality of channels extending through the tool wall portion, from the product face to the back face. The channels are straight or curved with no more than one point of inflection.

Methods, apparatus, and chemical compositions for selectively coating fiber-based food containers

Methods and apparatus for vacuum forming and subsequently applying topical coatings fiber-based food containers. The slurry includes one or more of an embedded moisture barrier, vapor barrier, and oil barrier, and the topical coating comprises one or more of a vapor barrier, a moisture barrier, an oil barrier, and an oxygen barrier. For food containers having deep sidewalls, a spray coating system includes a first nozzle for applying a full cone spray pattern to the bottom surface of the container, and a second nozzle for applying a hollow cone spray pattern to the inside surfaces of the side walls.

PRODUCTION PROCESS AND APPARATUS FOR ROTATING HUB TYPE PAPER-PLASTIC PRODUCT
20230193564 · 2023-06-22 ·

Provided are a production process for a rotating hub type paper-plastic product, and a device utilizing the production process. The device comprises: a rotating hub forming unit, which can continuously generate a primary blank; an array unit, which forms, by means of an uplink lifting mechanism, a downlink descending mechanism, an uplink array channel and a downlink array channel, a carrier capable of moving in a circulating and reciprocating manner for a profiling jig plate moving in a reciprocating manner thereon; a left forming area unit and a right forming area unit which are respectively arranged at two sides of the array unit and are internally provided with machining areas for a plurality of hot-pressing shaping mechanisms and a plurality of edge cutting mechanisms for use in hot-pressing shaping and edge cutting of the primary blank; a first transfer mechanism and a second transfer mechanism which stretch across the array unit and the left and right forming area units and are provided with a plurality of conveying molds in a suspended manner, so that the primary blank can be transferred; two discharging conveyors which are respectively arranged on the outermost sides of the left and right forming area units; and two defective product conveyors which are arranged between each of the left and right forming area units and each of the discharging conveyors for outputting a defective product which is subjected to screening.

PRODUCTION PROCESS AND APPARATUS FOR ROTATING HUB TYPE PAPER-PLASTIC PRODUCT
20230193564 · 2023-06-22 ·

Provided are a production process for a rotating hub type paper-plastic product, and a device utilizing the production process. The device comprises: a rotating hub forming unit, which can continuously generate a primary blank; an array unit, which forms, by means of an uplink lifting mechanism, a downlink descending mechanism, an uplink array channel and a downlink array channel, a carrier capable of moving in a circulating and reciprocating manner for a profiling jig plate moving in a reciprocating manner thereon; a left forming area unit and a right forming area unit which are respectively arranged at two sides of the array unit and are internally provided with machining areas for a plurality of hot-pressing shaping mechanisms and a plurality of edge cutting mechanisms for use in hot-pressing shaping and edge cutting of the primary blank; a first transfer mechanism and a second transfer mechanism which stretch across the array unit and the left and right forming area units and are provided with a plurality of conveying molds in a suspended manner, so that the primary blank can be transferred; two discharging conveyors which are respectively arranged on the outermost sides of the left and right forming area units; and two defective product conveyors which are arranged between each of the left and right forming area units and each of the discharging conveyors for outputting a defective product which is subjected to screening.

Dispensing capsule and method and apparatus of forming same
11673737 · 2023-06-13 ·

An apparatus for high speed continuous thermoforming of pulp materials into pulp based products including a beverage dispensing capsule comprising a body having a side wall and a base formed entirely of moulded pulp fibres, said apparatus comprising a holding tank for water and pulp fibres in suspension, a continuous feed belt of articulated mesh toolsets contoured to the preform shape of said products, said belt being inclined to allow partial immersion and partial withdrawal from said suspension by continuous rotation of said belt, vacuum means applied to said mesh toolsets to draw said pulp fibres onto said mesh toolsets immersed in said suspension to form a preform pulp mat of said product.

Automatic molding machine for molded product, manufacturing method, and finished product

An automatic molding machine for a molded product, a manufacturing method and a finished product includes an upper pulp suction mold and a lower pulp suction mold configured to simultaneously suck the pulp in a pulp box, wherein the molds are closed and formed into a formed blank which becomes the finished product of the molded product after dehydration, hot pressing and shaping. Advantages include speeding up manufacturing, increasing the thickness of the finished product, increasing the shock absorption effect, and making an excellent surface.

Automatic molding machine for molded product, manufacturing method, and finished product

An automatic molding machine for a molded product, a manufacturing method and a finished product includes an upper pulp suction mold and a lower pulp suction mold configured to simultaneously suck the pulp in a pulp box, wherein the molds are closed and formed into a formed blank which becomes the finished product of the molded product after dehydration, hot pressing and shaping. Advantages include speeding up manufacturing, increasing the thickness of the finished product, increasing the shock absorption effect, and making an excellent surface.

METHOD FOR MOLDING CNF AND MOLDED PRODUCT OF CNF OBTAINED BY THE MOLDING METHOD
20170314201 · 2017-11-02 · ·

A porous body is placed in a rectangular parallelepipedal casing made of a stainless steel to prepare a mold form. A CNF-containing slurry is charged into the mold form, and another porous body is placed on the CNF-containing slurry. If the CNF-containing slurry are enwrapped in a nylon mesh, leakage of the CNF-containing slurry from a gap between the mold form and the porous body or clogging of the porous bodies can be inhibited. The upper and lower porous bodies are heated while applying a load to the CNF-containing slurry for a desired period of time to effect hot pressing, thereby obtaining a desired molded product. This provides a method for molding CNFs which enables a CNF molded product having a three-dimensional configuration to be obtained at a high productivity, and the CNF molded product obtained by the method for molding CNFs.

METHOD FOR MOLDING CNF AND MOLDED PRODUCT OF CNF OBTAINED BY THE MOLDING METHOD
20170314201 · 2017-11-02 · ·

A porous body is placed in a rectangular parallelepipedal casing made of a stainless steel to prepare a mold form. A CNF-containing slurry is charged into the mold form, and another porous body is placed on the CNF-containing slurry. If the CNF-containing slurry are enwrapped in a nylon mesh, leakage of the CNF-containing slurry from a gap between the mold form and the porous body or clogging of the porous bodies can be inhibited. The upper and lower porous bodies are heated while applying a load to the CNF-containing slurry for a desired period of time to effect hot pressing, thereby obtaining a desired molded product. This provides a method for molding CNFs which enables a CNF molded product having a three-dimensional configuration to be obtained at a high productivity, and the CNF molded product obtained by the method for molding CNFs.

COVER, METHOD OF PRODUCING COVER, AND SECONDARY PROCESSING DIE USED FOR PRODUCING COVER

A method of forming an undercut which is engageable with an edge, on a side wall of a cover intermediate body using a cover intermediate body and a secondary processing die. In the secondary processing die, a moving inner core has, on the outer surface thereof, a concave shape corresponding to a convex shape of the inner surface of the undercut. The moving inner core is made up of a plurality of core segments which are arranged along the circumferential direction. Each core segment is vertically movable along an inclined surface of a core. When the moving inner core is moved upward, the moving inner core transforms smaller than the inner diameter of the side wall of a cover. The slide core has, on the inner surface thereof, a convex shape corresponding to the concave shape of the undercut.