B29C67/242

CORE MOLDING DEVICE
20210283809 · 2021-09-16 · ·

A cavity includes a first cavity portion, and a second cavity portion that is formed between the first cavity portion and a runner and that corresponds to a baseboard. There is adopted a configuration in which a foamed admixture is supplied to the first cavity portion via the second cavity portion upon being supplied to the cavity via the runner. A collision portion with which the foamed admixture supplied to the cavity can collide before reaching the first cavity portion is formed at the second cavity portion.

Process for strengthening porous 3D printed objects
10974451 · 2021-04-13 · ·

A composite body includes a bound mixture, a resin and a coating. The bound mixture includes a binder and a plurality of particles. The resin fully infiltrates the bound mixture such that the resin fully infiltrates an entire thickness of the bound mixture. The composite body is formed by combining a plurality of particles with a binder to form a bound mixture and infiltrating the bound mixture with a resin to a depth such that substantially an entire thickness of the bound mixture contains the resin. The coating defines an outer layer of the composite body.

METHOD, PLANT AND MOLDS FOR FORMING SLABS OF AGGLOMERATE
20210031405 · 2021-02-04 ·

A method for preparation of a mold (10) intended to form a slab from a mixture of agglomerate comprising the steps of depositing over the mold surfaces a sheet (15) of PVA-based plastic material so as to form with it a surface for subsequent contact with the mixture introduced into the mold for forming the slab, whereby in at least some areas a layer (14) of a fluid agent containing PVA in a solution is interposed between the sheet (15) and the mold surfaces. A plant for carrying out the method and a method for production of a slab are also described.

Method, plant and molds for forming slabs of agglomerate
10843377 · 2020-11-24 ·

A method for preparation of a mold (10) intended to form a slab from a mixture of agglomerate comprising the steps of depositing over the mold surfaces a sheet (15) of PVA-based plastic material so as to form with it a surface for subsequent contact with the mixture introduced into the mold for forming the slab, whereby in at least some areas a layer (14) of a fluid agent containing PVA in a solution is interposed between the sheet (15) and the mold surfaces. A plant for carrying out the method and a method for production of a slab are also described.

Method and apparatus for forming engineered stone
10843977 · 2020-11-24 ·

A compression device, means for controlling the compression device, a drum having an inner chamber, means for rotating the drum, and first and second delivery devices for delivering first and second materials into the inner chamber of the drum while the drum is rotating. The compression device compresses the first and second material in the inner chamber of the drum while the drum is rotating about the center of the drum in response to the means for controlling the compression device. The apparatus may include a stirring device; and a means for controlling the stirring device; wherein the stirring device is configured with respect to the drum so that the stirring device can be moved up and down to a desired depth within the drum and rotates within the inner chamber of the drum to stir the first and second materials in the drum while the drum is rotating.

Process for Strengthening Porous 3D Printed Objects
20200361144 · 2020-11-19 · ·

A composite body includes a bound mixture, a resin and a coating. The bound mixture includes a binder and a plurality of particles. The resin fully infiltrates the bound mixture such that the resin fully infiltrates an entire thickness of the bound mixture. The composite body is formed by combining a plurality of particles with a binder to form a bound mixture and infiltrating the bound mixture with a resin to a depth such that substantially an entire thickness of the bound mixture contains the resin. The coating defines an outer layer of the composite body.

Method and Apparatus for Applying Cementitious Polyurethane
20200360880 · 2020-11-19 ·

A device and method device for continuous mixing and laying of cementitious coating onto a substrate. There is a first mixing stage for metering and mixing a first liquid and a second liquid to create a first mix and a second mixing stage for metering and mixing the first mix with aggregate to form a second mix. The first and second mixing stages use flow meters and flow controllers for metering and restricting the flow of the first liquid, the second liquid and aggregate. A controller operatively coupled to the flow meters and flow controllers controls the mixing in a closed-feedback arrangement. A screed box applies the second mix onto the substrate to create a flooring layer. The flooring may be in a food processing plant.

CURVED SLAB SURFACES, SYSTEMS, AND METHODS

Systems and methods of thermoforming stone slabs are provided, such as by heating a stone slab while forming it to a mold. Curved stone slabs may be produced having low radii of curvature.

MATERIAL DISTRIBUTION APPARATUS AND METHOD OF PREPARING ARTIFICIAL STONE PLATE USING THE SAME
20200298444 · 2020-09-24 ·

A material distribution apparatus and preparing an artificial stone plate using the material distribution apparatus includes a belt material distribution device including a material distribution hopper and a conveying belt. The conveying belt is located at a lower portion of the material distribution hopper. An upper surface of the conveying belt is inclined. The material distribution hopper has a first wall and a second wall. The first wall is an inclined wall with an upper end away from the second wall. A discharge outlet is provided below the second wall. An upper portion of the second wall is vertically mounted, and a lower portion of the second wall has a circular arc portion and a discharge portion which forms the discharge outlet with a surface of the conveying belt therebetween.

Process for strengthening porous 3D printed objects
10773456 · 2020-09-15 · ·

A composite body includes a bound mixture and a resin. The bound mixture includes a binder and a plurality of particles. The resin fully infiltrates the bound mixture such that the resin fully infiltrates an entire thickness of the composite body. The composite body is formed by combining a plurality of particles with a binder to form a bound mixture and infiltrating the bound mixture with a resin to a depth such that substantially an entire thickness of the composite body contains the resin.