KR20190015776A - The manufacturing method for an artificial wood - Google Patents

The manufacturing method for an artificial wood Download PDF

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KR20190015776A
KR20190015776A KR1020170099376A KR20170099376A KR20190015776A KR 20190015776 A KR20190015776 A KR 20190015776A KR 1020170099376 A KR1020170099376 A KR 1020170099376A KR 20170099376 A KR20170099376 A KR 20170099376A KR 20190015776 A KR20190015776 A KR 20190015776A
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South Korea
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wood
artificial
slice
conveyor
timber
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KR1020170099376A
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Korean (ko)
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이종은
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이종은
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/007—Treating of wood not provided for in groups B27K1/00, B27K3/00 using pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
    • B27K5/0085—Thermal treatments, i.e. involving chemical modification of wood at temperatures well over 100°C
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N1/00—Pretreatment of moulding material
    • B27N1/02—Mixing the material with binding agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/28—Moulding or pressing characterised by using extrusion presses

Abstract

The present invention relates to a method for manufacturing synthetic wood. The method comprises the steps of: preparing wood slices by slicing the raw wood; spreading the wood slices to a predetermined width to form a wood sheet, and continuously feeding the wood sheet together with an adhesive to be applied through a conveyor; forming a synthetic wood by rolling the wood sheet into a roll having a predetermined thickness through a winding machine provided at a distal end of the conveyor to form the synthetic wood having tree rings; and putting the formed synthetic wood into a drier having a predetermined temperature and pressure and drying the synthetic wood. By providing the method for manufacturing the synthetic wood, synthetic wood can be expected to be provided inexpensively in all areas where wood is used, such as furniture manufactured by processing the wood.

Description

인조 원목 제조방법{The manufacturing method for an artificial wood}BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

본 발명은 인조 원목 제조방법에 관한 것으로, 보다 구체적으로는 목재의 재질 및 종류 크기과 상관없이 원목과 동일하게 나이테를 갖도록 집성하여 인조 원목을 제조방법에 관한 것이다.The present invention relates to a method for manufacturing artificial timber, more specifically, to a method for manufacturing an artificial timber by aggregating the timber into the same tree as the timber.

일반적으로, 가구 등에 는 원목(原木 - 베어 낸 그대로 아직 가공하지 아니한 나무.)을 그대로 이용해 질감이 우수하므로 최고급의 목재로 사용되고 있으며, 재료가 되는 원목으로는 단풍나무, 자작나무, 물푸레나무 등이 주로 사용되고 있다.In general, wood is used as the finest wood because it has good texture because it uses the same wood as the raw wood (untreated wood). However, the raw wood that is used as the material is maple, birch and ash tree It is mainly used.

기존에는 원자재 값이 매우 비싼 원목을 대부분 수입에 의존하는 실정에도 불구하고, 적절한 크기의 원목을 구입하여 가공해서 가구나 한옥이나 목조건축 등을 제작해야 하므로 목재로 만들어지는 것들의 원가가 상승되는 문제점이 있다.In spite of the fact that most of the raw materials costly raw materials are mostly imported, there is a problem in that the cost of materials made of wood is increased due to the necessity of purchasing furniture and hanok or wooden building etc. have.

더구나, 자투리의 재활용이 수용되지 않아 목재 낭비는 물론 처리가 곤란해 방치하거나 땔감으로 사용하여 지구온난화의 원인이 된다.Moreover, recycling of scrap metal is not accepted, and it is difficult to dispose of wood waste as well as to use it as a firewood, causing global warming.

기존에 폐 목재를 활용하는 기술로, 옹이 및 하자 부위조각면을 형성한 후, 이 옹이 및 하자 부위조각면을 여러 겹 을 접착제로 봉합하여 목재 단판을 형성한 후, 다수의 상기 목재 단판을 적층 으로 접착하고 적절한 온도와 압력으로 압축하여 일절 두께의 목재 판을 제조하는 기술이 있었으나, 봉합사를 통한 연결로서 조각 면이 서로 연결되는 구성으로 봉합사를 통한 연결부가 취약하고, 천연원목의 모양과 상이하여 제품의 가치가 저하되며, 다양한 모양의 형상이 힘들게 되는 단점이 있는 것이다.In the prior art, a knot and a defective portion sculptured surface are formed by using a waste wood, and then the knot and the defective portion sculptured surface are sutured with adhesive to form a wooden single piece, And a method of manufacturing a wooden plate of a certain thickness by compressing at a proper temperature and pressure. However, since the connecting surfaces through the sutures are connected to each other through the sutures, the connecting parts through the sutures are weak and the shape of the natural wood is different There is a drawback that the value of the product is lowered and the shape of various shapes becomes difficult.

이러한, 문제점을 해결하고자, 특허 문헌 1은 원료 목재를 분쇄한 후 바인더를 혼합하는 단계, 바인더와 혼합된 원료 목재를 절단면에서 나이테(나무의 줄기나 가지 따위를 가로로 자른 면에 나타나는 둥근 테.)가 나타나도록 다양한 형상으로 가압하여 인조 원목을 형성하는 단계와 가압된 인조 원목의 절단면에서 나이테가 나타나도록 판재 또는 각재로 형성하는 단계로서 이루어진 인조 목 제조방법을 제공하여 목재의 고유 기능을 상실한 목재, 폐 목재 및 폐자재를 적극 활용토록 하여 환경보호에 이바지하고, 원목과 MDF 및 또 다른 대체재로서의 새로운 제품 개발이 가능하며, 원목에 근접하거나 이를 능가하는 외형으로 가구 등에 적용시 제품의 가치를 높이고, 다양한 형상이나 규격의 제품을 제작하는 효과를 기대하였다.In order to solve such a problem, Patent Document 1 discloses a method for manufacturing a wood material, comprising the steps of crushing a raw material wood and then mixing a binder, mixing the raw material mixed with the binder into a ring of trees, And a step of forming the artificial wood by pressurizing the artificial wood in various shapes so as to make the artificial timber appear in the form of a sheet or a slab so that the rings appear on the cut surface of the artificial timber being pressed, , Waste wood and waste materials to contribute to environmental protection, new products can be developed as wood, MDF and other alternative materials, and it is possible to increase the value of products when they are applied to furniture, etc. , And expected to produce products of various shapes and sizes.

그러나, 특허 문헌 1은 1차 금형을 통해 분쇄한 목재와 두께를 갖는 판재를 압착으로 접합해 두꺼운 판재를 형성하고, 이를 2차 금형을 통해 감아서 압착한다고 되어 있지만, 실질적으로 소정의 두께를 갖는 판재에 경우 권 취 를 통한 제조 시 목재의 성질상 파손에 우려가 많아 제조하기 어려운 문제점이 있다.However, in the patent document 1, the wood crushed through the primary metal mold and the plate material having the thickness are bonded by press bonding to form a thick plate material, which is rolled and pressed through the secondary metal mold. However, There is a problem in that it is difficult to manufacture the plate because of the possibility of damage to the plate due to the nature of the wood during manufacture through winding.

(특허 문헌 1) KR 10-2017-0041381 A(Patent Document 1) KR 10-2017-0041381 A

상기한 문제점을 해결하기 위하여 본 발명은 폐 목재 또는 자투리목재를 재사용하여 원목과 가장 유사하게 나이테를 같고 가로.세로 의 크기에 상관 없는 목재를 제조하는 인조 원목 제조방법을 제공하는데 목적이 있다.It is an object of the present invention to provide an artificial timber manufacturing method for producing timber which is similar to a timber and has the same dimensions as a timber, regardless of the size of the timber.

상기한 목적을 달성하기 위하여, 본 발명은 원료 목재를 얇게 저며 목재슬라이스를 준비하는 단계와; 상기 목재슬라이스를 설정된 넓이로 필쳐 목 재 시트를 형성하고, 도포 되는 접착제와 함께 컨베이어를 통해 연속적으로 공급하는 단계와; 상기 컨베이어의 말단에 구비된 권취기 를 통해 설정된 두께의 두루마리로 감아 나이테를 갖는 인조 원목을 성형하는 단계와; 성형된 인조 원목을 설정된 온도 및 압력을 갖는 건조기에 투입하여 건조하는 단계를 포함하는 것을 특징으로 하는 인조 원목 제조방법을 제공한다.In order to accomplish the above object, the present invention provides a method of manufacturing a wood slice, comprising: preparing a wood slice by slicing raw wood; Forming the wood slice with a predetermined width of the wood material sheet, and continuously feeding the wood slice together with the applied adhesive through the conveyor; Shaping a synthetic wood having a predetermined thickness through a take-up machine provided at a distal end of the conveyor to form a synthetic wood having a ring; And a step of putting the shaped artificial timber into a dryer having a predetermined temperature and pressure and drying the formed timber.

이때, 상기 준비단계 후 목재슬라이스를 방제, 방부, 방충, 불연 등의 다양한 기능성 첨가제 중 어느 하나 또는 두 가지 이상의 첨가제에 침수하는 단계를 더 포함하는 것을 특징으로 한다.At this time, the method further comprises immersing the wood slice in any one or two or more additives among various functional additives such as a control, preservative, insect repellent, fire retardant, etc. after the preparation step.

또한, 상기 성형 단계 후 플레스 금형을 통해 인조 원목을 다각형의 기둥으로 프레스 가공하는 단계와 조선문짝등과 같은 목재를 원재료로 사용 하는 곳 에도 더 포함 하는 것을 특징으로 한다.Further, the present invention is further characterized in that the step of pressing the artificial lumber into the polygonal column through the plastic mold after the molding step and the step of using wood such as a ship building door as a raw material are further included.

상기와 같이 구성된 본 발명을 제공함으로써, 기존에 원목을 가공하여 제작하는 가구 등 목재의 크기와 관계 없이 목재를 사용하는 모든 영역에 저렴하게 인조 목재를 제공하는 장점이 있다.By providing the present invention configured as described above, there is an advantage in that artificial wood is provided at low cost in all areas where wood is used, regardless of the size of the wood such as furniture manufactured by processing the wood.

도 1은 본 발명에 따른 인조 원목 제조방법을 나타내는 순서도.
도 2는 본 발명에 따른 인조 원목 제조방법을 통해 인조 원목을 제조하는 과정을 나타내는 구성 예시도.BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a flowchart showing a method for manufacturing artificial timber according to the present invention; FIG.
BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a process for producing artificial timber,

이하, 본 발명에 대하여 동일한 기술분야에 속하는 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 첨부도면을 참조하여 바람직한 실시 예를 상세하게 설명하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention.

본 발명의 인조 원목 제조방법은 도 1 내지 도 2에 도시된 바와 같이, 가공하고 남은 자투리 목재 및 버려지는 폐 목재를 원료 목재(10)로 얇게 저면 목재슬라이스(20)를 준비하고, 이를 넓게 펴서 목재 시트(30)를 형성한 후 연속으로 감아 실제 원목과 흡사한 인조 원목(40)을 제공하는 방법이다.As shown in FIGS. 1 and 2, the method of manufacturing artificial timber of the present invention comprises preparing a timber slice 20 by thinning the left-handed timber and the left-hand timber from the raw timber 10, The wood sheet 30 is formed and then continuously wound to provide an artificial wood 40 similar to an actual wood.

우선, 원료 목재(10)로 하여 얇게 저며 목재슬라이스(20)를 준비한다.(S100)First, the wood slice 20 is prepared by slicing the raw wood 10 (S100)

상기 목재슬라이스(20)의 두께는 0,1mm/이상으로 로 목재 섬유의 결 방향에 상관없이 적절한 두께로 잘라 제공한다.The thickness of the slice 20 is 0,1 mm / mm or more, and the slice is cut to an appropriate thickness irrespective of the grain direction of the wood fiber.

다음에, 상기 목재슬라이스(20)를 설정된 넓이로 펼쳐 목재 시트(30)를 형성하고, 도포 되는 접착제(1)와 함께 컨베이어(2)를 통해 연속적으로 공급한다.(S300)Next, the wood slice 20 is spread with a predetermined width to form a wood sheet 30, and the wood slice 20 is continuously fed through the conveyor 2 together with the applied adhesive 1 (S300)

상기 컨베이어(2)의 말단에 구비된 권취기(3)를 통해 설정된 두께의 두루마리로 감아 나이테(41)를 갖는 인조 원목(40)을 성형한다.(S400)The artificial lumber 40 having a predetermined thickness is rolled up by a winding machine 3 provided at the end of the conveyor 2 to form an artificial lumber 40 having a ring 41. In operation S400,

이때, 상기 통상적으로 모터를 활용한 회전 구동으로 상기 컨베이어(2)에 접촉 회전을 통해 컨베이어(2)를 따라 연속으로 이동하는 목재 시트(30)를 권취한다.At this time, the wood sheet 30, which continuously moves along the conveyor 2 through the contact rotation to the conveyor 2 by the rotary driving using the motor, is wound.

더욱이, 상기 권취기(30)에 목재 시트(30)가 감길 때, 별도로 가압 롤러를 더 구비하여 인조 원목(40)를 더욱 견고하게 밀착하는 것이 바람직하다.Furthermore, when the wood sheet 30 is wound on the winder 30, it is preferable to additionally include a pressure roller so that the artificial wood 40 is tightly adhered.

다음에, 성형된 인조 원목(40)을 설정된 온도 및 압력을 갖는 건조기(4)에 투입하여 건조하여 인조 원목(40)을 완성한다.(S600)Next, the shaped artificial wood 40 is put into the dryer 4 having the set temperature and pressure and dried to complete the artificial wood 40. (S600)

한편, 도 1에 의하면, 상기 준비단계(S100) 후 목재슬라이스(20)를 방제, 방부, 방충, 불연 등의 다양한 기능성 첨가제(5) 중 어느 하나 또는 두 가지 이상의 첨가제(5)에 침수한다.(S200)1, after the preparing step S100, the wood slice 20 is submerged in any one or two or more additives 5 of various functional additives 5 such as a control agent, a preservative, a insect repellent, and a fire retardant. (S200)

즉, 원료 목재(10)를 저민 목재슬라이스(20)를 첨가제(5)가 담긴 수조에 일정시간 침수시켜 목재슬라이스(20)에 첨가제(5)가 스며들도록 한 후 작업자 또는 수조에 이어진 컨베이어(2)에 의해 적정 넓이로 펼쳐 목재 시트(30)로 연속 공급한다.That is, the raw wood 10 is immersed in the water tank containing the additive 5 for a predetermined time so that the additive 5 penetrates the wood slice 20, and then the worker or the conveyor 2 And then continuously supplied to the wood sheet 30. [0050]

한편, 상기 성형 단계(S400) 후 플레스 금형(6)을 통해 인조 원목(40)을 다각형의 기둥으로 프레스 가공한다.(S500)After the molding step S400, the artificial wood 40 is press-worked into a polygonal column through the plastic mold 6 (S500)

상기와 같이 구성된 본 발명을 제공함으로써, 기존에 원목을 가공하여 제작하는 가구 등 모든 목재 영역에 저렴하게 인조 목재를 제공하는 장점이 있다.By providing the present invention having the above-described structure, it is advantageous to provide artificial wood at low cost in all wood areas such as furniture manufactured by processing the wood.

이상에 설명한 본 명세서 및 청구 범위에 사용되는 용어 및 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 본 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.The terms and words used in the present specification and claims should not be construed to be limited to ordinary or dictionary terms. It should be interpreted as meaning and concept consistent with the technical idea of the present invention.

따라서, 본 명세서에 기재된 도면 및 실시 예에 도시된 구성은 본 발명의 가장 바람직한 하나의 실시 예에 불과할 뿐이고, 본 발명의 기술적 사상을 모두 대변하는 것이 아니므로, 본 출원 시점에 있어서 이들을 대체할 수 있는 다양한 균등 물과 변형 예들이 있을 수 있음을 이해하여야 한다.Therefore, the configurations shown in the drawings and the embodiments described herein are merely the most preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention. Therefore, It should be understood that various equivalents and modifications are possible.

1: 접착제
2: 컨베이어
3: 권취기
4: 건조기
5: 첨가제
6: 플레스금형
10: 원료목재
20: 목재슬라이스
30: 목재시트
40: 인조원목
41: 나이테
S100: 준비단계
S200: 침수단계
S300: 공급단계
S400: 성형단계
S500: 가공단계
S600: 건조단계1: Adhesive
2: Conveyor
3: Winder
4: Dryer
5: Additive
6: Plastic mold
10: Raw wood
20: Wood slices
30: Wood sheet
40: artificial wood
41: The ring
S100: Preparatory step
S200: flooding step
S300: Supply step
S400: molding step
S500: Processing step
S600: drying step

Claims (3)

원료 목재(10)를 얇게 저며 목재슬라이스(20)를 준비하는 단계(S100)와;
상기 목재슬라이스(20)를 설정된 넓이로 펼쳐 목재 시트(30)를 형성하고, 도포 되는 접착제(1)와 함께 컨베이어(2)를 통해 연속적으로 공급하는 단계(S300)와;
상기 컨베이어(2)의 말단에 구비된 권취기(3)를 통해 설정된 두께의 두루마리로 감아 나이테(41)를 갖는 인조 원목(40)을 성형하는 단계(S400)와;
성형된 인조 원목(40)을 설정된 온도 및 압력을 갖는 건조기(4)에 투입하여 건조하는 단계(S600)를 포함하는 것을 특징으로 하는 가로 세로의 크기에 관계 없이 인조 원목 제조방법.(S100) slicing the raw wood 10 and preparing a slice 20 of wood;
A step S300 of spreading the wood slice 20 to a predetermined width to form a wood sheet 30 and continuously feeding the wood slice 20 together with the applied adhesive 1 through the conveyor 2;
A step (S400) of forming a synthetic wood (40) having a thickness of a predetermined thickness through a winder (3) provided at the end of the conveyor (2) and having a ring (41);
And a step (S600) of putting the formed artificial timber (40) into a dryer (4) having a predetermined temperature and pressure and drying (S600) regardless of the size of the artificial timber. 청구 항 1에 있어서,
상기 준비단계(S100) 후 목재슬라이스(20)를 방제, 방부, 방충, 불연 등의 다양한 기능성 첨가제(5) 중 어느 하나 또는 두 가지 이상의 첨가제(5)에 침수 또는 발포 단계(S200)를 더 포함하는 것을 특징으로 하는 인조 원목 제조방법.The method of claim 1,
After the preparing step S100, the wooden slice 20 is further immersed or foamed (S200) in any one or two or more additives (5) of various functional additives (5) such as a control, preservative, Wherein the method comprises the steps of: 청구 항 1에 있어서,
상기 성형 단계(S400) 후 플레스 금형(6)을 통해 인조 원목(40)을 다각형의 으로 프레스 가공하는 단계(S500)를 더 포함하는 것을 특징으로 하고 판형의 목재와 조선문 등에 사용되는 인조 원목 제조방법.The method of claim 1,
Further comprising a step (S500) of pressing the artificial wood 40 into a polygonal shape through the plastic mold 6 after the forming step S400, and further comprising the step (S500) of forming an artificial wood Gt;
KR1020170099376A 2017-08-07 2017-08-07 The manufacturing method for an artificial wood KR20190015776A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111347308A (en) * 2020-03-31 2020-06-30 重庆双驰门窗有限公司 Automatic woodworking production line
CN112621529A (en) * 2021-01-22 2021-04-09 秦世林 A cover two-sided grinding device of steel sheet for integrated circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111347308A (en) * 2020-03-31 2020-06-30 重庆双驰门窗有限公司 Automatic woodworking production line
CN112621529A (en) * 2021-01-22 2021-04-09 秦世林 A cover two-sided grinding device of steel sheet for integrated circuit
CN112621529B (en) * 2021-01-22 2022-12-23 深圳市钍地半导体有限公司 A cover two-sided grinding device of steel sheet for integrated circuit

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