B27N3/20

PRESS APPARATUS FOR VEHICLE CRASH PADS COMPRISING REAL WOOD SHEETS

A press apparatus for vehicle crash pads including real wood sheets. The press apparatus includes a lower press including an engraved part, and a support part to support an upper press, the support part having a fixing protrusion, the upper press including an embossed part, first slides fixed to maintain a shape of the engraved part during a compression process of the real wood sheet, the first slides compressing a rear surface of the real wood sheet while rising along the embossed part, and a second slide to compress the real wood sheet during the compression process of the real wood sheet. During a wrapping process of the real wood sheet, the second slide compresses the real wood sheet to an inner rear surface of a core while falling such that a portion of the real wood sheet bent inward of the engraved part is wound around the core.

PRESS APPARATUS FOR VEHICLE CRASH PADS COMPRISING REAL WOOD SHEETS

A press apparatus for vehicle crash pads including real wood sheets. The press apparatus includes a lower press including an engraved part, and a support part to support an upper press, the support part having a fixing protrusion, the upper press including an embossed part, first slides fixed to maintain a shape of the engraved part during a compression process of the real wood sheet, the first slides compressing a rear surface of the real wood sheet while rising along the embossed part, and a second slide to compress the real wood sheet during the compression process of the real wood sheet. During a wrapping process of the real wood sheet, the second slide compresses the real wood sheet to an inner rear surface of a core while falling such that a portion of the real wood sheet bent inward of the engraved part is wound around the core.

WOOD PREFORMING DEVICE FOR MANUFACTURING CRASH PAD FOR VEHICLE INCLUDING REAL WOOD SHEET

Disclosed are wood preforming devices for manufacturing a crash pad for a vehicle including a real wood sheet. A wood preforming device for manufacturing a crash pad for a vehicle includes a real wood sheet includes a lower press mold comprising a debossed portion provided on a portion on which a product is formed, and a support portion configured to support an upper press mold, in response to the lower press mold and the upper press mold pressing each other, the support portion having a protrusion for fixing a real wood sheet, the upper press mold having an embossed portion corresponding to the debossed portion of the lower press mold, and a movable core provided on the debossed portion of the lower press mold and being configured to guide the real wood sheet by moving upward from the debossed portion, in response to the upper press mold moving downward.

WOOD PREFORMING DEVICE FOR MANUFACTURING CRASH PAD FOR VEHICLE INCLUDING REAL WOOD SHEET

Disclosed are wood preforming devices for manufacturing a crash pad for a vehicle including a real wood sheet. A wood preforming device for manufacturing a crash pad for a vehicle includes a real wood sheet includes a lower press mold comprising a debossed portion provided on a portion on which a product is formed, and a support portion configured to support an upper press mold, in response to the lower press mold and the upper press mold pressing each other, the support portion having a protrusion for fixing a real wood sheet, the upper press mold having an embossed portion corresponding to the debossed portion of the lower press mold, and a movable core provided on the debossed portion of the lower press mold and being configured to guide the real wood sheet by moving upward from the debossed portion, in response to the upper press mold moving downward.

WOOD PREFORMING DEVICE FOR MANUFACTURING CRASH PAD FOR VEHICLE INCLUDING REAL WOOD SHEET
20230044042 · 2023-02-09 · ·

A wood preforming device that manufactures a crash pad for a vehicle including a real wood sheet is provided. The wood preforming device includes a lower press mold including a debossed portion disposed on a portion of the lower press mold on which a product is to be formed, and a support portion supporting an upper press mold when the lower press mold and the upper press mold are compressed. The support portion has a fixing protrusion fixing the real wood sheet, the upper press mold has an embossed portion corresponding to the debossed portion of the lower press mold. A movable core provided on the debossed portion of the lower press mold guiding the real wood sheet by moving upward from the debossed portion when the upper press mold moves downward, and a steam module spray steam with a preset capacity to an edge portion of the debossed portion.

Methods and compositions for preparing particle boards

An amorphous polylactic acid polymer having a weight average molecular weight in the range of about 35,000 to 180,000 is described. The polylactic acid polymer composition can be hammer milled without cryogenics result in the form of particles wherein 90% of the particles have particle size of about 250 μm or less and the material has a glass transition temperature of between about 55° C. to about 58° C. and a relative viscosity of about 1.45 to about 1.95 centipoise. The polymer composition can be used to form an aqueous suspension. The material is ideally suited for use in preparing particleboard. A method is disclosed for preparing such polylactic acid polymers. The method involves obtaining an amorphous polylactic acid polymer having a weight average molecular weight of between about 115,000 to about 180,000. Treating the polylactic acid polymer to reduce the molecular weight to between about 35,000 to 45,000 such that it has a glass transition temperature of between about 55° C. and 58° C. and a relative viscosity of about 1.45 to about 1.95. Material can be formed into particles in a commercial hammer mill with bypass such that 90% of the initial mass results in the particles which can pass thru a sieve having a pore size of about 250 μm. During particle board formation the temperature of around 140-140 C being reached to optimally activate the adhesive; Bond strengths and throughput rates of resulting particle boards can be controlled thereafter, with variable combination of particle sizes, adhesive loading and initial moisture content.

METHOD OF MANUFACTURING A STIFF ENGINEERED COMPOSITE

The method of making a compressed biocomposite body includes compressing a mass of biocomposite material comprised of discrete particles and a network of interconnected glucan-containing mycelia cells in the presence of heat and moisture into a compressed body having a density in excess of 18 pcf. Compression may take place batch wise in a press or continuously in a path of narrowing cross-section defined by a series of heated rollers.

RECONSTITUTED BAMBOO BOARD INTEGRATING EMBOSSED TEXTURE DECORATION AND PROTECTIVE FUNCTIONS

The present invention discloses a reconstituted bamboo board integrating an embossed texture decoration and protective functions, comprising a reconstituted bamboo layer and a heat-pressed and cured film layer with an embossed texture decoration located on a surface of the reconstituted bamboo layer.

FINES INTERFACE LAYER FOR IMPROVED ENGINEERED WOOD PRODUCTS
20220402162 · 2022-12-22 ·

An engineered wood based siding, cladding or panel with a fines interface layer between the main strand matrix layers and the fines layer to minimize telegraphing and provide an improved surface appearance. The fines interface layer is applied to the surface of the strand matrix or mat prior to application of the fines layer. The FIL sits between the strand matrix and the fines layer, and prevents the loss of fines into the strand matrix. The FIL thus keeps the fines at the surface so they can effectively and efficiently function to prevent or eliminate strand telegraphing, and provide a smooth finished surface for the product.

Production of oriented strand board

A method of making a wood particle board containing sticking type resin coated wood particles wherein the top of a layup of the coated wood particles is smoothed to provide a smooth a top surface on the layup and a release agent is applied on the top surface and the so coated layup is consolidated into a board in a consolidating press under heat and pressure with the coated top surface in direct contact with a press platen.