公开(公告)号：US20250067002A1

公开(公告)日：2025-02-27

申请号：US18722213

申请日：2022-12-22

Applicant: Stora Enso OYJ

Inventor： Oruç Köklükaya ,  Daniel Hult Torron ,  Maryam Ghanadpour ,  Martin Sterner

IPC: D21J7/00 ,  D21F11/00 ,  D21J1/02 ,  D21J1/06 ,  D21J1/08

Abstract: The present invention relates to a method for the preparation of a solid foam, wherein the method comprises depositing discrete units of a foam on a surface to obtain a first foam deposition, followed by depositing a wet foam between the discrete units to obtain a subsequent foam deposition, and drying the wet foam. The invention further relates to a solid foam comprising discrete units of foam embedded in a foam matrix.

公开(公告)号：US20240295080A1

公开(公告)日：2024-09-05

申请号：US18572657

申请日：2021-06-23

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： John Joseph BRIDEN ,  David MAZO FIGUEROLA

IPC: D21J3/00 ,  D21J1/06

CPC classification number: D21J3/00 ,  D21J1/06

Abstract: According to examples, an apparatus may include a forming tool to be positioned within a volume of a slurry of fiber material, in which a wet part composed of liquid and fiber material is to be formed on the forming tool. The apparatus may also include a transfer tool to be moved with respect to the forming tool to position the wet part between the transfer tool and the forming tool. The apparatus may further include a microwave energy source that may apply microwave energy onto the wet part while the wet part is positioned between the forming tool and the transfer tool.

公开(公告)号：US20240141594A1

公开(公告)日：2024-05-02

申请号：US17979404

申请日：2022-11-02

Applicant: VOLKSWAGEN AKTIENGESELLSCHAFT ,  University of Tennessee Research Foundation

Inventor： Marton Gabor KARDOS ,  Hendrik MAINKA ,  David HARPER

IPC: D21J7/00 ,  B33Y80/00 ,  D21J1/06 ,  D21J1/12

CPC classification number: D21J7/00 ,  B33Y80/00 ,  D21J1/06 ,  D21J1/12

Abstract: Example approaches are disclosed for manufacturing composite or fiber reinforcement preforms. Liquid, fibrous, binding and potentially other materials are mixed into a composite mixture slurry in a slurry container. A porous tool having a specific porous outer surface portion approximating a specific exterior surface portion of a spatial shape of a final product is immersed in the slurry container. A suction pressure is applied to draw a portion of the fibrous material intermixed with a corresponding portion of the binding material in the slurry onto the specific outer surface portion. The porous tool attached with the wet preform is removed from the slurry container. The wet preform is partially dried into a partially dried preform attached to the porous tool. The partially dried preform is dried, solidified and/or consolidated and/or injected with a resin and cured into a solid composite preform of the spatial shape of the final product.

公开(公告)号：US11654600B2

公开(公告)日：2023-05-23

申请号：US16726165

申请日：2019-12-23

Applicant: Footprint International, LLC

Inventor： Yoke Dou Chung ,  Yiyun Zhang ,  Ric Gonzalez ,  Steve Lucero ,  Min Wang ,  Indarpal Singh ,  Margaret T. Pandis ,  Jordan M. Boerma

IPC: D21H17/17 ,  B29C41/50 ,  B65D81/34 ,  B65D25/14 ,  B65D1/26 ,  D21J1/06 ,  D21J1/10 ,  D21J7/00 ,  B05B1/06 ,  D21H17/67 ,  D21H21/16 ,  D21H23/04 ,  B29L31/00 ,  B05D1/02 ,  D21J5/00 ,  D21H23/50 ,  D21H23/22 ,  B05B1/04

CPC classification number: B29C41/50 ,  B05B1/06 ,  B65D1/26 ,  B65D25/14 ,  B65D81/3453 ,  D21H17/17 ,  D21H17/675 ,  D21H21/16 ,  D21H23/04 ,  D21J1/06 ,  D21J1/10 ,  D21J7/00 ,  B05B1/044 ,  B05D1/02 ,  B05D2203/22 ,  B29L2031/7132 ,  D21H5/0005 ,  D21H5/0047 ,  D21J5/00

Abstract: Methods and apparatus for vacuum forming and subsequently applying topical coatings fiber-based food containers. The slurry includes an embedded moisture barrier and/or vapor barrier, and the topical coating comprises an oil barrier comprising acrylate, rice bran wax, pectin, and pea protein.

公开(公告)号：US11479919B2

公开(公告)日：2022-10-25

申请号：US16522966

申请日：2019-07-26

Applicant: Eastman Chemical Company

Inventor： Kenny Randolph Parker ,  Charles Stuart Everett ,  Melvin Glenn Mitchell ,  Koushik Ghosh ,  Mounir Izallalen

IPC: D21J3/10 ,  D21H15/04 ,  B32B1/02 ,  D21J3/12 ,  D21H15/10 ,  D21J1/08 ,  D21J1/04 ,  D21H11/20 ,  D21H13/06 ,  D21J1/06 ,  B32B5/02

Abstract: Contoured articles formed in a mold from a fiber slurry are provided. The articles comprise a blend of cellulose fibers and cellulose ester, such as cellulose ester staple fibers. The articles are suitable in a wide array of end uses, including as cups, lids, boxes or pouches, storage containers, trays, plates, food trays, cutlery, coffee cups, coffee cup lid, packaging, bowls, clam shells, bottle caps, straws, covers, and packaging inserts.

公开(公告)号：US20050061463A1

公开(公告)日：2005-03-24

申请号：US10666266

申请日：2003-09-22

Applicant: Michael Scobie

Inventor： Michael Scobie

IPC: D21J1/00 ,  D21J1/04 ,  D21J1/06 ,  D21J1/08 ,  D21J1/12

CPC classification number: D21J1/00 ,  D21J1/08 ,  Y10T428/23957 ,  Y10T428/24455

Abstract: A method of making a formed, dried lignocellulose fiber material comprising (a) providing an aqueous lignocellulose fiber pulp slurry having an effective consistency; (b) de-watering the slurry to provide a de-watered material at an effective de-watering rate under an effective pressure to prevent or reduce the formation of fissures and voids within the material; (c) drying an effective amount of the de-watered material at an effective temperature and period of time to provide the formed, dried lignocellulose fiber material having a thickness of at least 5 mm. The formed, dried lignocellulose material may be used to make a lignocellulose fiber-resin composite material of use as a cost effective structural member, as a substitute for steel, in, for example, bridges, processing equipment, and the like.

Abstract translation: 制备形成的，干燥的木素纤维素纤维材料的方法，包括（a）提供具有有效稠度的木质素纤维素纤维素浆液; （b）在有效压力下，以有效的脱水率对脱浆水进行脱水以提供脱水材料，以防止或减少材料内的裂缝和空隙的形成; （c）在有效温度和时间段内干燥有效量的脱水材料，以提供具有至少5mm厚度的形成的干燥的木质纤维素纤维材料。 所形成的干燥的木质纤维素材料可用于制造用作例如桥梁，加工设备等的钢的替代品的成本有效的结构构件的木质纤维素纤维 - 树脂复合材料。

公开(公告)号：US5328568A

公开(公告)日：1994-07-12

申请号：US979799

申请日：1992-11-20

Applicant: Jack E. Pregont

Inventor： Jack E. Pregont

IPC: B65D81/09 ,  D21J7/00 ,  D21J1/06

CPC classification number: B65D81/09 ,  D21J7/00 ,  Y10S493/967 ,  Y10T428/24479 ,  Y10T428/24595 ,  Y10T428/24628 ,  Y10T428/24661 ,  Y10T428/24777 ,  Y10T428/2982 ,  Y10T428/31989 ,  Y10T428/31993

Abstract: Free-flowing dunnage of molded pulp pieces (10), having random non-nestable shapes to insure the free-flowing characteristic, is made by a method and apparatus involving partially drying pulp fibers on a forming-die screen (38) to form intermediate dish-shaped pieces, form-free removal of such pieces from the screen, and thereafter drying them free of form support to obtain random shapes. One preferred embodiment involves blowing intermediate pieces from the screen onto a conveyor (50) for subsequent drying, such blowing and landing altering the intermediate piece shapes to enhance randomness in the shapes of the dunnage pieces, and another involves using heated air for partial drying.

Abstract translation: 通过包括在成形模筛（38）上部分干燥纸浆纤维以形成中间体的方法和设备，制备具有随机非嵌套形状以确保自由流动特性的模制纸浆片（10）的自由流动的衬垫 碟形片，将这些片从筛网中无需去除，然后干燥它们，使其不含形式的载体以获得随机形状。 一个优选的实施例是将中间件从筛网中吹到输送机（50）上，用于随后的干燥，这样的吹塑和着陆改变了中间件的形状，以增强衬垫件的形状的随机性，另一种方法是使用加热的空气进行部分干燥。

公开(公告)号：US20240352678A1

公开(公告)日：2024-10-24

申请号：US18627747

申请日：2024-04-05

Applicant: PAPACKS SALES GMBH

Inventor： Tahsin Dag ,  Florian Barth

IPC: D21J5/00 ,  D21F13/00 ,  D21H11/12 ,  D21J1/04 ,  D21J1/06 ,  D21J1/08

CPC classification number: D21J5/00 ,  D21F13/00 ,  D21H11/12 ,  D21J1/04 ,  D21J1/06 ,  D21J1/08

Abstract: The present invention is directed to methods and systems for manufacturing molded fiber products using a pulp slurry and apparatus submerged in pulp slurry. The system utilizes a vacuum and mesh shaping of the product to pull fiber from the pulp slurry to the mesh shape while sucking the water through the mesh shape. The molded fiber product is then pressed to bolster the strength and structure of the product. The product is then coated using centripetal force to uniformly spread the coating across the selected area of the product. After coating, the product is pressed again to ensure the waterproof and airproof structure of the product. The materials used in manufacturing the molded fiber product are biodegradable, and the apparatus to form the molded fiber product is shaped according to the desired shape and size of the product.

公开(公告)号：US20240117569A1

公开(公告)日：2024-04-11

申请号：US18546297

申请日：2022-02-10

Applicant: KURTZ GMBH & CO. KG

Inventor： Uwe Rothaug ,  Constantin Kemmer

IPC: D21J1/06 ,  D21J1/14

CPC classification number: D21J1/06 ,  D21J1/14 ,  D21D99/00

Abstract: The invention relates to a process and an apparatus for producing a molded fiber article. The process comprises the steps of —dissolving fibrous materials in water to form a fibrous material suspension in a pulper, —removing moisture from the fibrous material suspension by pressing to form a molded fiber article in a mold and/or —drying the molded fiber article by supplying heat, —demolding the molded fiber article from the mold. The process is characterized by the feature whereby, in mold drying of the molded fiber article in the mold, a moisture content of the molded fiber article of not more than 10% by weight or not more than 7.5% by weight or not more than 5% by weight is achieved.

公开(公告)号：US20230132527A1

公开(公告)日：2023-05-04

申请号：US17907747

申请日：2021-03-30

Applicant: SOCIETE DES PRODUITS NESTLE S.A.

Inventor： LUIS FERNANDO RUEDA ,  LAURA CANOVAS ,  MIGUEL DANIEL TOVAR NUEZ

IPC: G01F19/00 ,  D21J3/00 ,  D21J1/16 ,  D21J1/06 ,  D21J1/02

Abstract: The present invention relates to a dosing device (too) that is integrally made of molded pulp fiber. The dosing device (too) comprises a container portion (200) for receiving and retaining a dosage material having an opening (250) at an upper side (US) of the dosing device (too) to access the dosage material. The dosing device (too) comprises a handle portion (300) for manually moving the container portion (200) in a dosing process. The handle portion (300) is connected to an outer surface (211) of the container body (210) by a connecting portion (350) of the handle portion (300). A rim portion (252) of the container portion (200), which delimits the opening (250), and the handle portion (300) extend in a common plane (CP) and define a circumferential edge (101) of the dosing device (101). The dosing device (100) comprises a ribbing portion (400), which extends from the circumferential edge (101) at least at the handle portion (300) to a lower side of the dosing device (too), for dissipating mechanical stresses arising in the dosing process. The invention relates also to a method for manufacturing the dosing device (too) and a use of the dosing device (too) for dosing a dosage material.