B29C51/00

System and methods for thermoforming articles
11318659 · 2022-05-03 · ·

Systems and processes for thermoforming an article and for preparing an article for thermoforming are disclosed. The system for thermoforming can include one or more heating stations and a cooling station. The system for thermoforming can further include an article movement mechanism that can couple to an article and rotate the article inside a heating chamber, inside a cooling chamber, or both. The system for preparing an article for thermoforming can include a vessel that comprises a port, and a negative pressure generation system coupled to the port. The system for preparing an article for thermoforming can further include a compression material that forms an interior portion for receiving an article. The negative pressure generation system can cause the compression material to expand to allow for insertion of the article into the interior portion of the compression material.

Mold assembly with removable mold tool, bladder for a wearable article, and method of manufacturing the bladder
11318658 · 2022-05-03 · ·

A method of manufacturing a wearable article may include providing a modular mold assembly that defines a mold cavity. The modular mold assembly may include a base and a first removable mold tool that interfits with the base. The base may have a mold surface partially defining the mold cavity and the first removable mold tool may have a mold surface disposed at and further defining the mold cavity of the modular mold assembly. A topography of the mold surface of the first removable mold tool may be nonuniform and different than a topography of the mold surface of the base. The method may include disposing polymeric material at the mold cavity, and then thermoforming a bladder in the mold cavity from the polymeric material. The bladder may have an outer surface with a nonuniform topography imparted by the topography of the mold surface of the first removable mold tool.

METHOD OF MAKING PIEZOELECTRIC COMPOSITES
20220125590 · 2022-04-28 ·

There is a need for methods that can produce piezoelectric composites having suitable physical characteristics and also optimized electrical stimulatory proper-ties. The present application provides piezo-electric composites, including tissue-stimu-lating composites, as well as methods of making such composites, that meet these needs. In embodiments, methods of making a spinal implant are provided. The methods suitably comprise preparing a thermoset, thermoplastic or thermoset/thermoplastic, or copolymer polymerizable matrix, dispersing a plurality of piezoelectric particles in the polymerizable matrix to generate dispersion, shaping the dispersion, inducing an electric polarization in the piezoelectric particles in the shaped dispersion, wherein at least 40% of the piezoelectric particles form chains.

KNIT TEXTILES AND UPPERS, AND PROCESSES FOR MAKING THE SAME

Articles of wear having one or more textiles that include a low processing temperature polymeric composition and a high processing temperature polymeric composition, and methods of manufacturing the same are disclosed. The low processing temperature polymeric composition and the high processing temperature polymeric composition can be selectively incorporated into a textile to provide one or more structural properties and/or other advantageous properties to the article. The textile can be thermoformed to impart such structural and/or other advantageous properties to the article of wear. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

MOLDING METHOD OF CRYSTALLINE PLASTICS
20220126502 · 2022-04-28 ·

A molding method of crystalline plastics includes: providing a raw material; executing a thermoforming step; executing a cooling crystallization step; and executing a cooling and demolding step to form a crystalline plastic product, and a staged cooling technology is used to achieve the effect of simultaneously performing the cooling crystallization step and the cooling and demolding step in a mold. The molding method does not require an expensive cooling system, nor require an additional crystallizer, and the method can improve the process yield, lower the required equipment and labor costs and expenses, and reduce the total process time significantly.

Method for producing a cellulose product
11717993 · 2023-08-08 · ·

A method for producing a cellulose product from a multi-layer cellulose blank structure, wherein the method comprises the steps; forming the multi-layer cellulose blank structure from at least a first layer of dry-formed cellulose fibres and a second layer of a cellulose fibre web structure, through arranging the at least first layer and second layer in a superimposed relationship to each other and in the superimposed relationship arranging the at least first layer and second layer in contact with each other; arranging the multi-layer cellulose blank structure in a forming mould; heating the multi-layer cellulose blank structure to a forming temperature in the range of 100° C. to 300° C., and forming the cellulose product from the multi-layer cellulose blank structure in the forming mould, by pressing the heated multi-layer cellulose blank structure with an isostatic forming pressure of at least 1 MPa, preferably 4-20 MPa, wherein the multi-layer cellulose blank structure is shaped into a two-dimensional or three-dimensional fibre composite structure having a single-layer configuration.

Light-weight flexible high-thermal-conductivity nano-carbon composite film and method for preparing same

The present disclosure provides a light-weight flexible high-thermal-conductivity nano-carbon composite film and a method for preparing same. The nano-carbon composite film includes a plurality of composite units laminated sequentially. The composite unit includes flexible adhesive layers and a graphene film layer, and the flexible adhesive layers are disposed on both sides of the graphene film layer. The preparation method includes sequentially laminating the composite units and hot pressing to obtain the nano-carbon composite film. The nano-carbon composite film has the characteristics of high thermal conductivity, light weight and flexibility, and has an in-plane thermal conductivity of up to 500 W/m.Math.K or higher, a density of 2.0 g/cm.sup.3 or less, and still a thermal conductivity of 500 W/m.Math.K or higher after the nano-carbon composite film is repeatedly bent by 180° for 50 times while there is no peeling of graphene from the surface.

Manufacturing device of battery case having improved manufacturing processability and manufacturing method using the same

The present invention provides a manufacturing device of a battery case including a first mold including a first space part having a shape corresponding to a storage part formed therein; a second mold including a second space part having a shape corresponding to the storage part and a through-hole communicating with the second space part formed therein, and coupled to the first mold with a laminate sheet interposed therebetween; and an air pressure regulator mounted in the through-hole in a state in which the first space part and the second space part are isolated from the outside, and increasing or decreasing an air pressure of the second space part through the through-hole to stretch and modify the laminate sheet into a shape corresponding to the first space part or the second space part.

Method for manufacturing a cellulose product, cellulose product forming apparatus and cellulose product
11766810 · 2023-09-26 · ·

A method for manufacturing a cellulose product, comprising the steps: dry forming a cellulose blank in a dry forming unit; arranging the cellulose blank in a forming mould; heating the cellulose blank to a forming temperature in the range of 100° C. to 200° C.; and pressing the cellulose blank in the forming mould with a forming pressure of at least 1 MPa.

Microstructured surface with increased microorganism removal when cleaned, articles and methods

Films and articles are described comprising a microstructured surface having an array of peak structures and adjacent valleys. For improved cleanability, the valleys preferably have a maximum width ranging from 10 microns to 250 microns and the peak structures have a side wall angle greater than 10 degrees. The peak structures may comprise two or more facets such as in the case of a linear array of prisms or an array of cube-corners elements. The facets form continuous or semi-continuous surfaces in the same direction. The valleys typically lack intersecting walls. Also described are methods of making and methods of use. The microstructured surface of the article can be prepared by various microreplication techniques such as coating, injection molding, embossing, laser etching, extrusion, casting and curing a polymerizable resin; and bonding microstructured film to a surface or article with an adhesive.