JP5297327B2 - Furniture top plate and manufacturing method thereof - Google Patents

Furniture top plate and manufacturing method thereof Download PDF

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JP5297327B2
JP5297327B2 JP2009236280A JP2009236280A JP5297327B2 JP 5297327 B2 JP5297327 B2 JP 5297327B2 JP 2009236280 A JP2009236280 A JP 2009236280A JP 2009236280 A JP2009236280 A JP 2009236280A JP 5297327 B2 JP5297327 B2 JP 5297327B2
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top plate
furniture
plate body
thickness
hardness
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JP2011083313A (en
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龍磨 藤川
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Toppan Cosmo Inc
Tokiwa Manufacturing Co Ltd
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Toppan Cosmo Inc
Tokiwa Manufacturing Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a technique relating to a top plate and a method of manufacturing the same, for having both of writing performance and shock absorbability owing to an appropriate surface hardness and flexibility of a surface material and the shock absorbing action of a cushion material by constituting the top plate by a top plate body in which the surface material, the cushion material, a core material, and a back surface material are laminated, and a cut end material covering side edges of the top plate body. <P>SOLUTION: The cushion material 4 is provided between the surface material 3 and the core material 5, the surface material 3 is formed of a thermoplastic resin sheet whose thickness is 0.1 mm-0.4 mm and pencil hardness is 2H-5H, the cushion material 4 is formed of the elastic material of EVA whose thickness is 1 mm-5 mm and hardness is HDA30-HDA80, and the thickness of the core material 5 is 5 mm-50 mm. While improving writing performance by the surface material 3, the shock absorbability is improved by the flexibility of the surface material 3 and the cushion material 4, and the top plate 2 achieves conflicting performances of both the writing performance and the shock absorbability. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

本発明は、家具の天板及びその製造方法に係り、表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する木口材とから天板を構成し、表面材の適度な表面硬度及び可撓性並びにクッション材の衝撃吸収作用により、筆記性と衝撃吸収性の両立を図った天板及びその製造方法に関する技術である。   The present invention relates to a furniture top plate and a method for manufacturing the same. The top plate includes a top plate body in which a surface material, a cushion material, a core material, and a back material are laminated, and a mouthpiece material that covers a side edge of the top plate body. Is a technique related to a top plate and a method for manufacturing the same, which achieves both writing performance and impact absorption by an appropriate surface hardness and flexibility of the surface material and an impact absorption action of the cushion material.

従来、机、テーブルなどの家具の天板は、最表面にメラミン樹脂化粧層を積層したものが汎用されている(例えば、特許文献1参照)。
最表面にメラミン樹脂化粧層を積層した天板は、表面の硬度が大きく耐衝撃性や耐傷性に優れていることから使用されている。
Conventionally, furniture top plates such as desks and tables have been widely used in which a melamine resin decorative layer is laminated on the outermost surface (see, for example, Patent Document 1).
A top plate having a melamine resin decorative layer laminated on the outermost surface is used because of its high surface hardness and excellent impact resistance and scratch resistance.

また、従来、市販の熱可塑性ポリエステル系エラストマー[JIS硬度(A)90]を基材シートに圧着して化粧シートとし、この化粧シートを天板用基材に接着加工した天板が知られている(例えば、特許文献2参照)。
この化粧シートに熱可塑性ポリエステル系エラストマーを圧着した天板は、弾性をもったソフトな触感を有し、ボールペン筆記性、押印適正、マウス作動性、リサイクル性などを良好にすることを狙っている。
Further, conventionally, a top plate is known in which a commercially available thermoplastic polyester elastomer [JIS hardness (A) 90] is pressure-bonded to a base sheet to form a decorative sheet, and this decorative sheet is bonded to the base plate substrate. (For example, refer to Patent Document 2).
The top plate made by crimping a thermoplastic polyester elastomer on this decorative sheet has a soft and soft feel and aims to improve ball-point pen writing, stamping, mouse operability, recyclability, etc. .

さらに、従来、軟質塩化ビニルシートを天板用基材に接着加工した天板が知られている(例えば、特許文献2参照)。   Furthermore, conventionally, a top plate is known in which a soft vinyl chloride sheet is bonded to a top plate base material (see, for example, Patent Document 2).

特開2009−55931号公報(段落0002)JP 2009-55931 A (paragraph 0002) 特開平10−337811号公報(段落0028〜0041、図1)Japanese Patent Laid-Open No. 10-337811 (paragraphs 0028 to 0041, FIG. 1)

特許文献1に記載された最表面にメラミン樹脂化粧層を積層した天板は、表面の硬度が大きいために、ガラス製や陶器製の食器を天板に落下させたときに食器が破損し易く、また、人体が天板にぶつかるときに怪我をするおそれがあった。
特に、病院、療養施設、老人福祉施設、保育所、幼稚園などの施設における机、テーブルなどの家具の天板については、これら施設の利用者が病人、老人、子供であるため、天板の表面硬度が大きいことは問題であった。
The top plate with a melamine resin decorative layer laminated on the outermost surface described in Patent Document 1 has a high surface hardness, so that when tableware made of glass or earthenware is dropped on the top plate, the tableware is easily damaged. Also, there was a risk of injury when the human body hits the top board.
Especially for furniture, such as desks and tables in hospitals, medical facilities, welfare facilities for the elderly, nurseries, kindergartens, etc., the users of these facilities are sick, elderly, and children. High hardness was a problem.

特許文献2に記載された熱可塑性ポリエステル系エラストマーを基材シートに圧着して化粧シートとし、この化粧シートを天板用基材に接着加工した天板は、熱可塑性ポリエステルエラストマーの厚みが0.15mmであり、基材シートを含む化粧シートの厚みが0.3mmであり、この薄い化粧シートのみで、衝撃を吸収することは困難であった。
したがって、熱可塑性ポリエステル系エラストマーを圧着した化粧シートを用いた天板は、弾性をもったソフトな触感、ボールペン筆記性、押印適正などが良好とはなるが、ガラス製や陶器製の食器を天板に落下させたときの食器の破損防止や、人体が天板にぶつかるときの怪我の防止については、不十分であるという問題があった。
The top plate in which the thermoplastic polyester elastomer described in Patent Document 2 is pressure-bonded to a base sheet to form a decorative sheet, and this decorative sheet is bonded to the base for base plate, and the thickness of the thermoplastic polyester elastomer is 0.00. The thickness of the decorative sheet including the base sheet was 0.3 mm, and it was difficult to absorb the impact only with this thin decorative sheet.
Therefore, a top plate using a decorative sheet to which a thermoplastic polyester elastomer is pressure-bonded has good soft touch feeling with elasticity, ball-point pen writing property, appropriate stamping, etc., but it can be used for glass or ceramic tableware. There was a problem that it was insufficient to prevent breakage of the tableware when dropped on the board and to prevent injury when the human body hit the top board.

また、特許文献2に記載された軟質塩化ビニルシートを天板用基材に接着加工した天板は、軟質塩化ビニルシートの厚みが0.2mmであり、この薄い軟質塩化ビニルシートのみで衝撃を吸収することは困難であり、しかも筆記性にも劣るものである。
したがって、軟質塩化ビニルシートを天板用基材に接着加工した天板は、熱可塑性ポリエステル系エラストマーを圧着した天板と同様に、ガラス製や陶器製の食器を天板に落下させたときの食器の破損防止や、人体が天板にぶつかるときの怪我の防止については、不十分であるという問題があり、かつ筆記性に劣るという問題もあった。
In addition, the top plate made by bonding the soft vinyl chloride sheet described in Patent Document 2 to the base material for the top plate has a thickness of 0.2 mm, and the impact can be achieved only with this thin soft vinyl chloride sheet. It is difficult to absorb and is inferior in writing.
Therefore, the top plate made by bonding the soft vinyl chloride sheet to the base material for the top plate is the same as the top plate to which the thermoplastic polyester elastomer is pressure-bonded, when the tableware made of glass or earthenware is dropped on the top plate. There is a problem that the tableware is not damaged and the injury when the human body hits the top board is insufficient, and the writing property is inferior.

本発明は、このような従来の構成が有していた課題を解決しようとするものであり、表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する小口材とから天板を構成し、表面材の適度な表面硬度及び可撓性並びにクッション材の衝撃吸収作用により、筆記性と衝撃吸収性の両立を図った家具の天板及びその製造方法とすることを目的としている。   The present invention intends to solve the problems of such a conventional configuration, and includes a top plate body in which a surface material, a cushion material, a core material and a back material are laminated, and a side of the top plate body. The top plate is composed of a small edge covering the edge, and the top plate of the furniture that achieves both writing and shock absorption by the moderate surface hardness and flexibility of the surface material and the shock absorbing action of the cushion material, and It aims at making it the manufacturing method.

請求項1に係る本発明の家具の天板は、表面材、芯材、裏面材及び木口材を備えた机、テーブルなどの家具の天板において、前記表面材と芯材との間にクッション材を設けるとともに、前記表面材は厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなり、前記クッション材は厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなり、前記芯材は厚みが5mm〜50mmとしたものである。   The top plate of the furniture of the present invention according to claim 1 is a cushion for a top plate of furniture such as a desk or a table provided with a surface material, a core material, a back surface material, and a mouthpiece material, between the surface material and the core material. The surface material is made of a thermoplastic resin sheet having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H, and the cushion material has a thickness of 1 mm to 5 mm and a hardness of HDA30 to HDA80. It is made of an elastic material such as EVA or urethane foam, and the core material has a thickness of 5 mm to 50 mm.

請求項2に係る本発明の家具の天板は、請求項1に係る本発明の構成に加え、表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する木口材とを備えた家具の天板であって、芯材はパーティクルボードであり、前記木口材は硬化後の硬さがHDA60〜HDD40の2液性ウレタン樹脂又は熱可塑性樹脂から形成して前記天板本体の側縁に密着させたものである。   The top plate of the furniture of the present invention according to claim 2 includes, in addition to the configuration of the present invention according to claim 1, a top plate body in which a surface material, a cushion material, a core material and a back material are laminated, and the top plate body A furniture top plate having a wooden edge covering the side edges, the core material is a particle board, and the wooden edge material is a two-component urethane resin or thermoplastic resin having a hardness after curing of HDA 60 to HDD 40 Is formed in close contact with the side edge of the top plate body.

請求項3に係る本発明の家具の天板は、請求項1に係る本発明の構成に加え、表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する木口材とを備えた家具の天板であって、前記天板本体の側縁におけるクッション材全体と芯材の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝を形成し、前記木口材は硬化後の硬さがHDA60〜HDD40の2液性ウレタン樹脂又は熱可塑性樹脂から形成して前記天板本体の前記切欠溝を含む側縁に密着させたものである。   The top plate of the furniture of the present invention according to claim 3 includes, in addition to the configuration of the present invention according to claim 1, a top plate body in which a surface material, a cushion material, a core material and a back material are laminated, and the top plate body A top plate of furniture provided with a mouthpiece covering a side edge, wherein the height is 2 mm to 6 mm across the entire cushion material and the surface side of the core at the side edge of the top plate body. A notch groove of 1 mm to 5 mm is formed, and the hardwood is formed of a two-component urethane resin or a thermoplastic resin having a hardness after hardening of HDA 60 to HDD 40 and is formed on a side edge including the notch groove of the top plate body. It is a close contact.

請求項4に係る本発明の家具の天板の製造方法は、表面材、クッション材、芯材、裏面材及び木口材を備えた机、テーブルなどの家具の天板の製造方法であって、厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなる表面材と、厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなるクッション材と、厚みが5mm〜50mmからなる芯材と、裏面材とを積層するとともに圧着して天板本体を形成し、前記天板本体を前記裏面材が上になるように上下を逆にして成形用型に支持し、前記成形用型は前記天板本体の側縁を被覆する前記木口材を成形可能な形状に形成して、硬化後の硬さがHDA60〜HDD40となる2液性ウレタン樹脂又は溶融した熱可塑性樹脂を成形用型に注入して硬化させることにより、前記木口材を前記天板本体の側縁に密着させたものである。   The manufacturing method of the top plate of the furniture of the present invention according to claim 4 is a manufacturing method of the top plate of furniture such as a table, a table, etc. provided with a surface material, a cushioning material, a core material, a back surface material and a mouthpiece material, A surface material made of a thermoplastic resin sheet having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H, and an elastic material such as EVA or urethane foam having a thickness of 1 mm to 5 mm and a hardness of HDA30 to HDA80. A cushion material, a core material having a thickness of 5 mm to 50 mm, and a back material are laminated and pressed to form a top plate body, and the top plate body is turned upside down so that the back material is on top. The molding die is formed into a shape that can be molded to cover the side edge of the top plate body, and the hardness after curing becomes HDA60 to HDD40. Urethane resin or molten heat By curing by injecting RESIN to mold, in which the end grain material was adhered to the side edge of the top plate.

請求項5に係る本発明の家具の天板の製造方法は、表面材、クッション材、芯材、裏面材及び木口材を備えた机、テーブルなどの家具の天板の製造方法であって、厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなる表面材と、厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなるクッション材と、厚みが5mm〜50mmからなる芯材と、裏面材とを積層するとともに圧着して天板本体を形成し、前記天板本体の側縁におけるクッション材全体と芯材の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝を形成し、前記天板本体を前記裏面材が上になるように上下を逆にして成形用型に支持し、前記成形用型は前記天板本体の前記切欠溝を含む側縁を被覆する前記木口材を成形可能な形状に形成して、硬化後の硬さがHDA60〜HDD40となる2液性ウレタン樹脂又は溶融した熱可塑性樹脂を成形用型に注入して硬化させることにより、前記木口材を前記天板本体の側縁に密着させたものである。   The manufacturing method of the top plate of the furniture of the present invention according to claim 5 is a method for manufacturing the top plate of furniture such as a table, a table, etc. provided with a surface material, a cushioning material, a core material, a back surface material, and a mouthpiece material, A surface material made of a thermoplastic resin sheet having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H, and an elastic material such as EVA or urethane foam having a thickness of 1 mm to 5 mm and a hardness of HDA30 to HDA80. A cushion material, a core material having a thickness of 5 mm to 50 mm, and a back surface material are laminated and pressure-bonded to form a top plate body, and the entire cushion material at the side edge of the top plate body and the front surface side of the core material, Forming a notch groove having a height of 2 mm to 6 mm and a depth of 1 mm to 5 mm, and supporting the top plate body upside down so that the back material is upside down. The molding die is in front of the top plate body The above-mentioned knot material covering the side edge including the notch groove is formed into a moldable shape, and a two-component urethane resin or a molten thermoplastic resin having a hardness after curing of HDA60 to HDD40 is injected into the mold. And the hardwood material is brought into close contact with the side edge of the top plate body.

請求項6に係る本発明の家具の天板又はその製造方法は、請求項1、2又は3に係る本発明の家具の天板又は請求項4又は5に係る本発明の家具の天板の製造方法の構成に加え、表面材は厚みが0.1mm〜0.4mm、鉛筆硬度が2H〜5Hで上層から順に表面保護層、透明熱可塑性樹脂層、絵柄模様層及びポリオレフィン系樹脂を主剤とする熱可塑性樹脂基材を積層した積層シートとしたものである。   The furniture top plate of the present invention according to claim 6 or the manufacturing method thereof is the top plate of the furniture of the present invention according to claim 1, 2 or 3, or the furniture top plate of the present invention according to claim 4 or 5. In addition to the structure of the manufacturing method, the surface material has a thickness of 0.1 mm to 0.4 mm, a pencil hardness of 2H to 5H, and a surface protective layer, a transparent thermoplastic resin layer, a pattern layer and a polyolefin resin in order from the upper layer. It is set as the lamination sheet which laminated | stacked the thermoplastic resin base material to do.

請求項7に係る本発明の家具の天板又はその製造方法は、請求項1、3及び6のいずれかに係る本発明の家具の天板又は請求項4〜6のいずれかに係る本発明の家具の天板の製造方法の構成に加え、芯材は、パーティクルボードとしたものである。   The top plate of the furniture of the present invention according to claim 7 or the manufacturing method thereof is the top plate of the furniture of the present invention according to any one of claims 1, 3 and 6, or the present invention according to any of claims 4-6. In addition to the construction of the furniture top plate manufacturing method, the core material is a particle board.

請求項1に係る本発明の家具の天板は、表面材と芯材との間にクッション材を設けるとともに、前記表面材は厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなり、前記クッション材は厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなり、前記芯材は厚みが5mm〜50mmとしたものであるから、表面材で筆記性を良好にできながら、表面材の可撓性とクッション材とで、衝撃吸収性を良好にできるのである。
したがって、請求項1に係る本発明の家具の天板は、筆記性と衝撃吸収性という相反する性能の両立を図ることができ、机、テーブルでの筆記が良好にでき、しかも、ガラス製や陶器製の食器を天板に落下させたときの食器の破損防止や、人体が天板にぶつかるときの怪我の防止ができるのである。
The top plate of the furniture of the present invention according to claim 1 is provided with a cushioning material between the surface material and the core material, and the surface material has a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H. Since the cushion material is made of an elastic material such as EVA or urethane foam having a thickness of 1 mm to 5 mm and a hardness of HDA 30 to HDA 80, and the core material has a thickness of 5 mm to 50 mm. While the surface material can improve the writing property, the shock absorbing property can be improved due to the flexibility of the surface material and the cushioning material.
Therefore, the top plate of the furniture of the present invention according to claim 1 can achieve both conflicting performances of writing property and shock absorption, can be well written on a desk or table, and is made of glass or It is possible to prevent the tableware from being damaged when the ceramic tableware is dropped on the top plate, and to prevent injury when the human body hits the top plate.

請求項2に係る本発明の家具の天板は、請求項1に係る本発明の効果に加え、表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する木口材とを備えた家具の天板であって、芯材はパーティクルボードであり、前記木口材は硬化後の硬さがHDA60〜HDD40の2液性ウレタン樹脂又は熱可塑性樹脂から形成して前記天板本体の側縁に密着させたから、パーティクルボードの側縁に多数の空隙があり、木口材を天板本体の側縁に強固に固定させることができるのである。
したがって、請求項2に係る本発明の家具の天板は、表面材が可撓性を有し、クッション材が弾性を有しながら天板の端部周辺を押したときに、木口材と表面材との段差の発生を防止することができるのである。
In addition to the effect of the present invention according to claim 1, the top plate of the furniture of the present invention according to claim 2 includes a top plate body in which a surface material, a cushion material, a core material and a back material are laminated, and the top plate body A furniture top plate having a wooden edge covering the side edges, the core material is a particle board, and the wooden edge material is a two-component urethane resin or thermoplastic resin having a hardness after curing of HDA 60 to HDD 40 Since it is formed from and adhered to the side edge of the top plate body, there are a large number of voids in the side edge of the particle board, and the end piece can be firmly fixed to the side edge of the top plate body.
Therefore, when the top plate of the furniture of the present invention according to claim 2 has a flexible surface material and the cushion material has elasticity, the top of the top plate and the surface are pressed when the periphery of the top plate is pressed. It is possible to prevent the occurrence of a step with the material.

請求項3に係る本発明の家具の天板は、請求項1に係る本発明の効果に加え、表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する木口材とを備えた家具の天板であって、前記天板本体の側縁におけるクッション材全体と芯材の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝を形成し、前記木口材は硬化後の硬さがHDA60〜HDD40の2液性ウレタン樹脂又は熱可塑性樹脂から形成して前記天板本体の前記切欠溝を含む側縁に密着させたものであるから、切欠溝により木口材を天板本体の側縁に一層強固に固定させることができるのである。
したがって、請求項3に係る本発明の家具の天板は、表面材が可撓性を有し、クッション材が弾性を有しながら天板の端部周辺を押したときに、木口材と表面材との段差の発生をより確実に防止することができるのである。
In addition to the effect of the present invention according to claim 1, the top plate of the furniture of the present invention according to claim 3 includes a top plate body in which a surface material, a cushion material, a core material, and a back material are laminated, and the top plate body. A top plate of furniture provided with a mouthpiece covering a side edge, wherein the height is 2 mm to 6 mm across the entire cushion material and the surface side of the core at the side edge of the top plate body. A notch groove of 1 mm to 5 mm is formed, and the hardwood is formed of a two-component urethane resin or a thermoplastic resin having a hardness after hardening of HDA 60 to HDD 40 and is formed on a side edge including the notch groove of the top plate body. Since they are in close contact with each other, the cut end groove can more firmly fix the end piece to the side edge of the top plate body.
Therefore, the top plate of the furniture of the present invention according to claim 3 has a surface material that is flexible, and the cushioning material has elasticity, and when the edge of the top plate is pressed while the cushion material is elastic, It is possible to more reliably prevent the occurrence of a step with the material.

請求項4に係る本発明の家具の天板の製造方法は、厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなる表面材と、厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなるクッション材と、厚みが5mm〜50mmからなる芯材と、裏面材とを積層するとともに圧着して天板本体を形成し、前記天板本体の側縁におけるクッション材全体と芯材の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝を形成し、前記天板本体を前記裏面材が上になるように上下を逆にして成形用型に支持し、前記成形用型は前記天板本体の前記切欠溝を含む側縁を被覆する前記木口材を成形可能な形状に形成して、硬化後の硬さがHDA60〜HDD40となる2液性ウレタン樹脂又は溶融した熱可塑性樹脂を成形用型に注入して硬化させることにより、前記木口材を前記天板本体の側縁に密着させたから、筆記性と衝撃吸収性という相反する性能の両立を図るとともに天板の端部周辺を押したときに、木口材と表面材との段差の発生を防止することができるものである。   According to a fourth aspect of the present invention, there is provided a method for producing a furniture top plate, comprising a surface material made of a thermoplastic resin sheet having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H, and a thickness of 1 mm to 5 mm. A cushioning material made of an elastic material such as EVA or urethane foam having a hardness of HDA30 to HDA80, a core material having a thickness of 5 mm to 50 mm, and a back material are laminated and pressed to form a top plate body, A notch groove having a height of 2 mm to 6 mm and a depth of 1 mm to 5 mm is formed across the entire cushion material at the side edge of the top plate body and the front surface side of the core material, and the back material is on the top plate body. Upside down so as to be supported by a molding die, and the molding die is formed into a moldable shape covering the side edge including the cutout groove of the top plate body and cured. Hardness after HDA60 ~ HDD4 The two-component urethane resin or molten thermoplastic resin to be used is injected into a mold and cured, so that the end piece is brought into close contact with the side edge of the top plate body. In addition, it is possible to prevent the occurrence of a difference in level between the end piece and the surface material when the periphery of the end of the top plate is pushed.

請求項5に係る本発明の天板の製造方法は、厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなる表面材と、厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなるクッション材と、厚みが5mm〜50mmからなる芯材と、裏面材とを積層するとともに圧着して天板本体を形成し、前記天板本体の側縁におけるクッション材全体と芯材の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝を形成し、前記天板本体を前記裏面材が上になるように上下を逆にして成形用型に支持し、前記成形用型は前記天板本体の前記切欠溝を含む側縁を被覆する前記木口材を成形可能な形状に形成して、硬化後の硬さがHDA60〜HDD40となる2液性ウレタン樹脂又は溶融した熱可塑性樹脂を成形用型に注入して硬化させることにより、前記木口材を前記天板本体の側縁に密着させたものであるから、筆記性と衝撃吸収性という相反する性能の両立を図るとともに切欠溝により木口材を天板本体の側縁に一層強固に固定させることができ、天板の端部周辺を押したときに、木口材と表面材との段差の発生のないものとすることができるのである。   The manufacturing method of the top plate of the present invention according to claim 5 includes a surface material made of a thermoplastic resin sheet having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H, and a hardness of 1 mm to 5 mm. Laminates a cushion material made of an elastic material such as EVA or urethane foam of HDA30 to HDA80, a core material having a thickness of 5 mm to 50 mm, and a back material, and press-bonds to form a top plate body, A notch groove having a height of 2 mm to 6 mm and a depth of 1 mm to 5 mm is formed across the entire cushion material at the side edge of the main body and the surface side of the core material, and the back material is on the top plate main body. The molding die is formed into a shape that can be molded to cover the side edge including the cutout groove of the top plate body, and the molding die is cured. Hardness is HDA60 ~ HDD40 Since the two-part urethane resin or molten thermoplastic resin is injected into a mold and cured, the lip material is brought into close contact with the side edge of the top plate body, so that the writing property and the shock absorption property are obtained. It is possible to balance the contradictory performance and to fix the top of the wooden plate to the side edge of the top plate body by the notch groove, and when the periphery of the top of the top plate is pushed, It is possible to eliminate the occurrence of a step.

請求項6に係る本発明の家具の天板又は家具の天板の製造方法は、請求項1、2又は3に係る本発明の家具の天板又は請求項4又は5に係る本発明の家具の天板の製造方法の効果に加え、表面材は厚みが0.1mm〜0.4mm、鉛筆硬度が2H〜5Hで上層から順に表面保護層、透明熱可塑性樹脂層、絵柄模様層及びポリオレフィン系樹脂を主剤とする熱可塑性樹脂基材を積層した積層シートであるから、天板表面に絵柄模様を印刷することができるのである。   The manufacturing method of the furniture top plate or the furniture top plate of the present invention according to claim 6 is the furniture top plate of the present invention according to claim 1, 2, or 3, or the furniture of the present invention according to claim 4 or 5. In addition to the effect of the manufacturing method of the top plate, the surface material has a thickness of 0.1 mm to 0.4 mm, a pencil hardness of 2H to 5H, and a surface protective layer, a transparent thermoplastic resin layer, a pattern layer and a polyolefin series in order from the upper layer Since it is a laminated sheet in which a thermoplastic resin base material containing a resin as a main component is laminated, a pattern can be printed on the top plate surface.

請求項7に係る本発明の家具の天板又は家具の天板の製造方法は、請求項1、3及び6のいずれかに係る本発明の家具の天板又は請求項4〜6のいずれかに係る本発明の家具の天板の製造方法の効果に加え、芯材は、パーティクルボードであるから、パーティクルボードの側縁に多数の空隙があり、木口材を天板本体の側縁に強固に固定させることができるのである。   The manufacturing method of the furniture top plate or the furniture top plate of the present invention according to claim 7 is the furniture top plate of the present invention according to any one of claims 1, 3 and 6, or any one of claims 4 to 6. In addition to the effect of the method of manufacturing the furniture top plate according to the present invention, the core material is a particle board. It can be fixed to.

本発明の第一の実施の形態に係る家具の天板を用いたオーバーベッドテーブルを示す斜視図である。It is a perspective view which shows the overbed table using the top plate of the furniture which concerns on 1st embodiment of this invention. 本発明の第一の実施の形態に係る家具の天板の平面図である。It is a top view of the top plate of the furniture which concerns on 1st embodiment of this invention. 図2のA−A線拡大断面図である。It is an AA line expanded sectional view of FIG. 本発明の第一の実施の形態に係る家具の天板を構成する表面材の積層構造を示す説明図である。It is explanatory drawing which shows the laminated structure of the surface material which comprises the top plate of the furniture which concerns on 1st embodiment of this invention. 本発明の第一の実施の形態に係る家具の天板の製造方法を示す斜視図である。It is a perspective view which shows the manufacturing method of the top plate of the furniture which concerns on 1st embodiment of this invention. 図5のB−B線拡大断面図である。FIG. 6 is an enlarged sectional view taken along line BB in FIG. 5. 本発明の第二の実施の形態に係る家具の天板の部分拡大断面図である。It is a partial expanded sectional view of the top plate of the furniture which concerns on 2nd embodiment of this invention. 本発明の第二の実施の形態に係る家具の天板の製造方法を示す部分拡大断面図である。It is a partial expanded sectional view which shows the manufacturing method of the top plate of the furniture which concerns on 2nd embodiment of this invention. 本発明の第三の実施の形態に係る家具の天板の平面図である。It is a top view of the top plate of the furniture which concerns on 3rd embodiment of this invention. 図9のC−C線拡大断面図である。FIG. 10 is an enlarged sectional view taken along line CC in FIG. 9. 本発明の第四の実施の形態に係る家具の天板の拡大断面図である。It is an expanded sectional view of the top plate of the furniture concerning a 4th embodiment of the present invention.

以下、本発明の実施の形態を添付した図面により詳細に説明する。
図1〜図6は、本発明の第一の実施の形態に係る図面であり、図1は家具の天板を用いたオーバーベッドテーブルを示す斜視図、図2は家具の天板の平面図、図3は図2のA−A線拡大断面図、図4は表面材の積層構造を示す説明図、図5は製造方法を示す斜視図、図6は図5のB−B線拡大断面図である。
図7及び図8は本発明の第二の実施の形態に係る図面であり、図7は家具の天板の部分拡大断面図、図8は製造方法を示す部分拡大断面図である。
図9及び図10は本発明の第三の実施の形態に係る図面であり、図9は家具の天板の平面図、図10は図9のC−C線拡大断面図である。
図11は本発明の第四の実施の形態に係る図面であり、家具の天板の部分拡大断面図である。
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
1 to 6 are drawings according to a first embodiment of the present invention, FIG. 1 is a perspective view showing an overbed table using a furniture top plate, and FIG. 2 is a plan view of the furniture top plate. 3 is an enlarged sectional view taken along line AA in FIG. 2, FIG. 4 is an explanatory view showing a laminated structure of surface materials, FIG. 5 is a perspective view showing a manufacturing method, and FIG. 6 is an enlarged sectional view taken along line BB in FIG. FIG.
7 and 8 are drawings according to a second embodiment of the present invention, FIG. 7 is a partially enlarged sectional view of a top plate of furniture, and FIG. 8 is a partially enlarged sectional view showing a manufacturing method.
9 and 10 are drawings according to a third embodiment of the present invention, FIG. 9 is a plan view of a furniture top plate, and FIG. 10 is an enlarged sectional view taken along the line CC of FIG.
FIG. 11 is a partial enlarged cross-sectional view of a furniture top plate according to a fourth embodiment of the present invention.

本発明の第一の実施の形態の形態に係る家具の天板及びその製造方法について図1〜図6に基づき説明する。
図1に示すオーバーベッドテーブル1は、病人がベッドに座った状態で、飲食したり、書き物をしたりする際に使用されるものであり、2は天板、1aは支柱、1bは支柱の高さを調節するノブボルト、1cは移動用のキャスターを備えた基部フレームである。
A furniture top plate and a manufacturing method thereof according to the first embodiment of the present invention will be described with reference to FIGS.
The overbed table 1 shown in FIG. 1 is used when a sick person sits in a bed, eats and drinks, or writes, 2 is a top plate, 1a is a column, 1b is a column. A knob bolt 1c for adjusting the height is a base frame provided with a caster for movement.

図2及び図3において、前記天板2は、表面材3、クッション材4、芯材5、裏面材6及び木口材7を備えている。
前記表面材3は、図4に示すように、厚みが0.1mm〜0.4mm、JIS K5600による鉛筆硬度が2H〜5Hであり、可撓性を備えるとともに、上層から順に表面保護層3a、透明熱可塑性樹脂層3b、絵柄模様層3c及びポリオレフィン系樹脂を主剤とする熱可塑性樹脂基材3dから構成している。
なお、3eは接着剤である。
2 and 3, the top plate 2 includes a surface material 3, a cushion material 4, a core material 5, a back surface material 6, and a mouthpiece material 7.
As shown in FIG. 4, the surface material 3 has a thickness of 0.1 mm to 0.4 mm, a pencil hardness of 2H to 5H according to JIS K5600, and has flexibility, and the surface protective layer 3a in order from the upper layer, It is composed of a transparent thermoplastic resin layer 3b, a design pattern layer 3c, and a thermoplastic resin substrate 3d mainly composed of a polyolefin resin.
3e is an adhesive.

前記表面保護層3aは、紫外線硬化型樹脂又は2液ウレタン樹脂を前記透明熱可塑性樹脂層3bに3μm〜7μ塗布して硬化させたものである。
前記透明熱可塑性樹脂層3bは、厚みが30μm〜200μmであり、透明ポリブチレンテレフタレート樹脂層(PBT樹脂層)又は透明ポリプロピレンフィルム層又はポリカーボネート樹脂層とするのである。
The surface protective layer 3a is obtained by applying an ultraviolet curable resin or a two-component urethane resin to the transparent thermoplastic resin layer 3b by 3 μm to 7 μm and curing it.
The transparent thermoplastic resin layer 3b has a thickness of 30 μm to 200 μm, and is a transparent polybutylene terephthalate resin layer (PBT resin layer), a transparent polypropylene film layer, or a polycarbonate resin layer.

前記絵柄模様層3cは、グラビアインキで木目柄を前記熱可塑性樹脂基材3dに印刷するのであり、この絵柄模様層3cに2液ウレタン樹脂系接着剤を5μm〜10μm塗布するのである。
前記熱可塑性樹脂基材3dは、厚みが30μm〜200μmであり、ポリプロピレン樹脂、ポリエチレン樹脂などを主剤としたポリオレフィン系樹脂である。
The design pattern layer 3c prints a wood grain pattern on the thermoplastic resin substrate 3d with gravure ink, and a two-component urethane resin adhesive is applied to the design pattern layer 3c by 5 μm to 10 μm.
The thermoplastic resin substrate 3d has a thickness of 30 μm to 200 μm, and is a polyolefin resin mainly composed of polypropylene resin, polyethylene resin, or the like.

前記クッション材4は、厚みが1mm〜5mmでデュロメータタイプAによる硬さがHDA30〜HDA80であり、EVA(エチレン−酢酸ビニル共重合体樹脂)、ウレタンフォームなどの弾性材料からなるものである。
そして、この実施の形態では、前記表面材3の厚みを0.25mm、鉛筆硬度を3Hとし、前記クッション材4の厚みを2.5mm、硬さをHDA50としたEVAとしている。
The cushion material 4 has a thickness of 1 mm to 5 mm and a durometer type A hardness of HDA30 to HDA80, and is made of an elastic material such as EVA (ethylene-vinyl acetate copolymer resin) or urethane foam.
In this embodiment, the thickness of the surface material 3 is 0.25 mm, the pencil hardness is 3H, the cushion material 4 is 2.5 mm, and the hardness is HDA50.

前記芯材5は、厚みが5mm〜50mmのパーティクルボードからなるものであり、パーティクルボードに替えてMDF(中密度繊維板)などの人工木材を用いてもよい。
前記裏面材6は、厚みが50μm〜100μmのフェノール樹脂板からなるものであり、これに替えて適宜厚さの化粧合板を用いることもできる。
The core material 5 is made of a particle board having a thickness of 5 mm to 50 mm, and artificial wood such as MDF (medium density fiber board) may be used instead of the particle board.
The back material 6 is made of a phenol resin plate having a thickness of 50 μm to 100 μm, and a decorative plywood having an appropriate thickness can be used instead.

前記木口材7は、硬化後の硬さがHDA60〜HDD(デュロメータタイプD)40の2液性ウレタン樹脂又は熱可塑性樹脂から形成して、前記表面材3、クッション材4、芯材5及び裏面材6を積層した天板本体2aの側縁2bに密着させている。
次に、本発明の第一の実施の形態に係る家具の天板の製造方法を図5及び図6基づいて説明する。
The end piece 7 is formed from a two-component urethane resin or a thermoplastic resin having a hardness after hardening of HDA 60 to HDD (Durometer Type D) 40, and the surface material 3, the cushion material 4, the core material 5 and the back surface. The material 6 is closely attached to the side edge 2b of the top plate body 2a.
Next, the manufacturing method of the top plate of the furniture which concerns on 1st embodiment of this invention is demonstrated based on FIG.5 and FIG.6.

前記表面材3、クッション材4、芯材5及び裏面材6を、各層間に接着剤を塗布して積層し圧着した天板本体2aを前記裏面材6が上になるように上下を逆にして成形用型8に支持するのである。
前記成形用型8は、前記天板本体2aの側縁2bを被覆する前記木口材7を成形可能な形状に形成し、かつ、上側の成形用型8aと下側の成形用型8bとに分割して、前記天板本体2aの周縁にクランプ8cにより両成形用型8a、8bを固定している。
The top plate body 2a, in which the surface material 3, the cushion material 4, the core material 5 and the back surface material 6 are laminated by applying an adhesive between the respective layers and pressure-bonded, is turned upside down so that the back surface material 6 faces up. Then, it is supported by the molding die 8.
The molding die 8 is formed in a shape capable of molding the end piece 7 covering the side edge 2b of the top plate body 2a, and is formed into an upper molding die 8a and a lower molding die 8b. The molds 8a and 8b are fixed to the periphery of the top plate body 2a by clamps 8c.

そして、図示しない注入機から樹脂注入口8dに2液性ウレタン樹脂を注入するのである。
なお、図5において、8eは排気口である。
Then, a two-component urethane resin is injected into the resin injection port 8d from an injection machine (not shown).
In FIG. 5, 8e is an exhaust port.

注入した樹脂が硬化すると、前記木口材7が前記天板本体2aの側縁2bに密着するのであり、次に、クランプ8cを緩めて前記成形用型8a、8bを取外せば、家具の天板2が製造できるのである。   When the injected resin is cured, the end piece 7 comes into close contact with the side edge 2b of the top plate body 2a. Next, the clamp 8c is loosened and the molding dies 8a and 8b are removed. The plate 2 can be manufactured.

次に、本発明の第二の実施の形態に係る家具の天板及びその製造方法について、図7及び図8に基づき説明する。
第二の実施の形態は、第一の実施の形態における天板本体2aの側縁2bに切欠溝を形成して木口材を切欠溝を含む側縁に密着させた構成としたものである。
Next, a furniture top plate and a manufacturing method thereof according to the second embodiment of the present invention will be described with reference to FIGS.
In the second embodiment, a notch groove is formed in the side edge 2b of the top plate body 2a in the first embodiment, and the end piece is brought into close contact with the side edge including the notch groove.

以下、第一の実施の形態と同様な構成については、同一の符号を付して説明を省略ないし簡略にして説明する。
図7及び図8は、第一の実施の形態における図3及び図6に対応するものである。
Hereinafter, the same components as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted or simplified.
7 and 8 correspond to FIGS. 3 and 6 in the first embodiment.

図7において、表面材3、クッション材4、芯材5及び裏面材6を積層した天板本体2aの側縁2bにおけるクッション材4全体と芯材5の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝2cを形成し、木口材7を前記天板本体2aの前記切欠溝2cを含む側縁2bに密着させるようにしたのである。
そして、図8に示すように、前記表面材3、クッション材4、芯材5及び裏面材6を、各層間に接着剤を塗布して積層し圧着して天板本体2aを形成し、前記天板本体2aの側縁2bにおけるクッション材4全体と芯材5の表面側とに亘って切欠溝2cを電動トリマー(図示せず)によって形成するのであり、このように切欠溝2cを形成した天板本体2aを前記裏面材6が上になるように上下を逆にして成形用型8に支持するのである。
In FIG. 7, the height is 2 mm across the entire cushion material 4 and the surface side of the core material 5 at the side edge 2b of the top plate body 2a in which the surface material 3, the cushion material 4, the core material 5 and the back material 6 are laminated. A notch groove 2c having a depth of -6 mm and a depth of 1 mm to 5 mm is formed, and the end piece 7 is brought into close contact with the side edge 2b including the notch groove 2c of the top plate body 2a.
And as shown in FIG. 8, the said surface material 3, the cushion material 4, the core material 5, and the back surface material 6 apply | coat an adhesive agent between each layer, laminate | stack, and press-fit, and form the top-plate main body 2a, The notch groove 2c is formed by an electric trimmer (not shown) over the entire cushion material 4 at the side edge 2b of the top plate body 2a and the surface side of the core material 5, and thus the notch groove 2c is formed. The top plate body 2a is supported on the molding die 8 upside down so that the back material 6 faces up.

前記成形用型8は、前記天板本体2aの前記切欠溝2cを含む側縁2bを被覆する前記木口材7を成形可能な形状に形成し、かつ、上側の成形用型8aと下側の成形用型8bとに分割して、前記天板本体2aの周縁にクランプ8cにより両成形用型8a、8bを固定している。
そして、第一の実施の形態と同様に、図示しない注入機から樹脂注入口8dに2液性ウレタン樹脂を注入するのであり、注入した樹脂が硬化すると、前記木口材7が前記天板本体2aの前記切欠溝2cを含む側縁2bに密着するのであり、次に、クランプ8cを緩めて前記成形用型8a、8bを取外せば、家具の天板2が製造できるのである。
The molding die 8 is formed in a shape capable of molding the end piece 7 covering the side edge 2b including the notch groove 2c of the top plate body 2a, and the upper molding die 8a and the lower molding die 8 It divides | segments into the shaping | molding type | mold 8b, and both the shaping | molding type | molds 8a and 8b are being fixed to the periphery of the said top-plate main body 2a with the clamp 8c.
Then, as in the first embodiment, a two-component urethane resin is injected into a resin injection port 8d from an injection machine (not shown). When the injected resin is cured, the wooden piece 7 is moved to the top plate body 2a. Then, the furniture top plate 2 can be manufactured by loosening the clamp 8c and removing the molding dies 8a, 8b.

次に、本発明の第三の実施の形態に係る家具の天板及びその製造方法について、図9及び図10に基づき説明する。
第三の実施の形態は、第一及び第二の実施の形態におけるオーバーベッドテーブル用の天板に替えて会議用テーブルの天板としたものである。
Next, a furniture top plate and a manufacturing method thereof according to the third embodiment of the present invention will be described with reference to FIGS.
In the third embodiment, the top plate for the conference table is used instead of the top plate for the overbed table in the first and second embodiments.

以下、第一及び第二の実施の形態と同様な構成については、同一の符号を付して説明を省略ないし簡略にして説明する。
図9及び図10は、第一の実施の形態における図2及び図3に対応するものである。
Hereinafter, the same configurations as those of the first and second embodiments are denoted by the same reference numerals, and description thereof will be omitted or simplified.
9 and 10 correspond to FIGS. 2 and 3 in the first embodiment.

図9及び図10に示すように、会議用テーブルの天板2は平面視で矩形としており、天板本体2aの側縁2bは垂直であり、木口材7も断面が縦長の矩形であり、表面材3と木口材7との上面を面一としている。
そして、表面材3の厚さが0.25mm、クッション材4の厚さが2mm、芯材5の厚さが22.5mm、裏面材6の厚さが0.1mmである。
As shown in FIGS. 9 and 10, the top plate 2 of the conference table is rectangular in plan view, the side edge 2b of the top plate main body 2a is vertical, and the end piece 7 is also a rectangle with a vertically long section, The upper surfaces of the surface material 3 and the mouthpiece material 7 are flush with each other.
And the thickness of the surface material 3 is 0.25 mm, the thickness of the cushion material 4 is 2 mm, the thickness of the core material 5 is 22.5 mm, and the thickness of the back surface material 6 is 0.1 mm.

第三の実施の形態における天板2の製造方法は、第一の実施の形態における製造方法と同様であるので説明を省略する。   Since the manufacturing method of the top plate 2 in the third embodiment is the same as the manufacturing method in the first embodiment, the description thereof is omitted.

次に、本発明の第四の実施の形態に係る家具の天板及びその製造方法について、図11に基づき説明する。
第四の実施の形態は、第三の実施の形態における天板本体2aの側縁2bに切欠溝2cを設けたものである。
Next, a furniture top plate and a manufacturing method thereof according to the fourth embodiment of the present invention will be described with reference to FIG.
In the fourth embodiment, a notch groove 2c is provided in the side edge 2b of the top plate body 2a in the third embodiment.

以下、第三の実施の形態と同様な構成については、同一の符号を付して説明を省略する。
図11は、第三の実施の形態における図10に対応するものであ。
Hereinafter, the same components as those of the third embodiment are denoted by the same reference numerals and description thereof is omitted.
FIG. 11 corresponds to FIG. 10 in the third embodiment.

図11において、表面材3、クッション材4、芯材5及び裏面材6を、各層間に接着剤を塗布して積層し圧着して天板本体2aを形成し、前記天板本体2aの側縁2bにおけるクッション材4全体と芯材5の表面側とに亘って切欠溝2cを電動トリマー(図示せず)によって形成し、木口材7を前記天板本体2aの前記切欠溝2cを含む側縁2bに密着させるのである。
なお、第四の実施の形態に係る天板2の製造方法は、第二の実施の形態における製造方法と同様であるので説明を省略する。
In FIG. 11, the top material 3, the cushion material 4, the core material 5, and the back material 6 are laminated by applying an adhesive between the layers, and then crimped to form the top plate body 2 a, and the top plate body 2 a side. A notch groove 2c is formed by an electric trimmer (not shown) over the entire cushion material 4 and the surface side of the core material 5 at the edge 2b, and the wood end material 7 is provided on the side including the notch groove 2c of the top plate body 2a. It adheres to the edge 2b.
In addition, since the manufacturing method of the top plate 2 which concerns on 4th embodiment is the same as the manufacturing method in 2nd embodiment, description is abbreviate | omitted.

以上の第一〜第四の実施の形態では、表面材3として、図4に示す表面保護層、透明熱可塑性樹脂層、絵柄模様層及びポリオレフィン系樹脂を主剤とする熱可塑性樹脂基材を積層した積層シートを用いたが、これと異なる積層構造でも単層構造でもよく、表面材は厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートであれば、上記表面材3に替えて用いることもできる。
また、以上の第一及び第二の実施の形態では、表面材3の上面よりも木口材7の上端を高くして、天板2上のものが端部周縁から落ちないようにせき止め機能を持たせたが、表面材と木口材との上面を面一にしてもよく、また、テーブル本体2aの側縁2b及び木口材7を下方が内側に傾斜するようにしたが、垂直にしてもよい。
In the above first to fourth embodiments, as the surface material 3, a surface protective layer, a transparent thermoplastic resin layer, a pattern layer, and a thermoplastic resin base material mainly composed of a polyolefin-based resin shown in FIG. However, if the surface material is a thermoplastic resin sheet having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H, the above surface may be used. It can also be used instead of the material 3.
Further, in the first and second embodiments described above, the upper end of the top member 7 is made higher than the upper surface of the surface material 3, and the function of preventing clogging is prevented so that the top plate 2 does not fall from the edge periphery. However, the upper surfaces of the surface material and the lip material may be flush with each other, and the side edge 2b of the table main body 2a and the lip material 7 are inclined inwardly. Good.

2 天板
2a 天板本体
2b 側縁
2c 切欠溝
3 表面材
3a 表面保護層
3b 透明熱可塑性樹脂層
3c 絵柄模様層
3d 熱可塑性樹脂基材
3e 接着剤
4 クッション材
5 芯材
6 裏面材
7 木口材
8 成形用型
2 Top plate 2a Top plate body 2b Side edge 2c Notch groove 3 Surface material 3a Surface protective layer 3b Transparent thermoplastic resin layer 3c Pattern pattern layer 3d Thermoplastic resin base material 3e Adhesive 4 Cushion material 5 Core material 6 Back material 7 Wood end Material 8 Mold

Claims (7)

表面材、芯材、裏面材及び木口材を備えた机、テーブルなどの家具の天板において、前記表面材と芯材との間にクッション材を設けるとともに、前記表面材は厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなり、前記クッション材は厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなり、前記芯材は厚みが5mm〜50mmであることを特徴とする家具の天板。   In a top plate of furniture such as a desk or table having a surface material, a core material, a back material and a mouthpiece material, a cushion material is provided between the surface material and the core material, and the thickness of the surface material is 0.1 mm. The core material is made of an elastic material such as EVA or urethane foam having a thickness of 1 mm to 5 mm and a hardness of HDA30 to HDA80. Has a thickness of 5 mm to 50 mm. 表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する木口材とを備えた家具の天板であって、芯材はパーティクルボードであり、前記木口材は硬化後の硬さがHDA60〜HDD40の2液性ウレタン樹脂又は熱可塑性樹脂から形成して前記天板本体の側縁に密着させたことを特徴とする請求項1に記載の家具の天板。   A furniture top plate comprising a top plate body in which a surface material, a cushion material, a core material, and a back material are laminated, and a mouthpiece material covering a side edge of the top plate body, the core material being a particle board 2. The hardwood material according to claim 1, wherein the hardness after curing is formed from a two-component urethane resin or a thermoplastic resin of HDA60 to HDD40 and is in close contact with a side edge of the top plate body. Furniture top plate. 表面材、クッション材、芯材及び裏面材を積層した天板本体と、前記天板本体の側縁を被覆する木口材とを備えた家具の天板であって、前記天板本体の側縁におけるクッション材全体と芯材の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝を形成し、前記木口材は硬化後の硬さがHDA60〜HDD40の2液性ウレタン樹脂又は熱可塑性樹脂から形成して前記天板本体の前記切欠溝を含む側縁に密着させたことを特徴とする請求項1に記載の家具の天板。   A top plate of furniture comprising a top plate body in which a surface material, a cushion material, a core material, and a back material are laminated, and a mouthpiece material that covers a side edge of the top plate body, the side edge of the top plate body A notch groove having a height of 2 mm to 6 mm and a depth of 1 mm to 5 mm is formed across the entire cushion material and the surface side of the core material, and the hardened material has a hardness after curing of HDA 60 to HDD 40. The furniture top plate according to claim 1, wherein the furniture top plate is made of an adhesive urethane resin or a thermoplastic resin and is in close contact with a side edge including the notch groove of the top plate body. 表面材、クッション材、芯材、裏面材及び木口材を備えた机、テーブルなどの家具の天板の製造方法であって、厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなる表面材と、厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなるクッション材と、厚みが5mm〜50mmからなる芯材と、裏面材とを積層するとともに圧着して天板本体を形成し、前記天板本体を前記裏面材が上になるように上下を逆にして成形用型に支持し、前記成形用型は前記天板本体の側縁を被覆する前記木口材を成形可能な形状に形成して、硬化後の硬さがHDA60〜HDD40となる2液性ウレタン樹脂又は溶融した熱可塑性樹脂を成形用型に注入して硬化させることにより、前記木口材を前記天板本体の側縁に密着させたことを特徴とする家具の天板の製造方法。   A method for manufacturing a top board for furniture such as a table, a table, etc., comprising a surface material, a cushion material, a core material, a back surface material and a mouthpiece material, having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H A surface material made of a thermoplastic resin sheet, a cushion material made of an elastic material such as EVA or urethane foam having a thickness of 1 mm to 5 mm and a hardness of HDA 30 to HDA 80, a core material made of a thickness of 5 mm to 50 mm, and a back material Are stacked and pressure-bonded to form a top plate body, and the top plate body is supported upside down so that the back material is upside down, and the molding die is supported by the top plate body. The above-mentioned lip material covering the side edges of the resin is formed into a moldable shape and cured by injecting into the mold a two-component urethane resin or a molten thermoplastic resin whose hardness after curing becomes HDA60 to HDD40. By letting The method of the top plate of furniture, characterized in that the end grain material was adhered to the side edge of the top plate. 表面材、クッション材、芯材、裏面材及び木口材を備えた机、テーブルなどの家具の天板の製造方法であって、厚みが0.1mm〜0.4mmで鉛筆硬度が2H〜5Hの熱可塑性樹脂シートからなる表面材と、厚みが1mm〜5mmで硬さがHDA30〜HDA80のEVA、ウレタンフォームなどの弾性材料からなるクッション材と、厚みが5mm〜50mmからなる芯材と、裏面材とを積層するとともに圧着して天板本体を形成し、前記天板本体の側縁におけるクッション材全体と芯材の表面側とに亘って高さが2mm〜6mmで深さが1mm〜5mmの切欠溝を形成し、前記天板本体を前記裏面材が上になるように上下を逆にして成形用型に支持し、前記成形用型は前記天板本体の前記切欠溝を含む側縁を被覆する前記木口材を成形可能な形状に形成して、硬化後の硬さがHDA60〜HDD40となる2液性ウレタン樹脂又は溶融した熱可塑性樹脂を成形用型に注入して硬化させることにより、前記木口材を前記天板本体の側縁に密着させたことを特徴とする家具の天板の製造方法。   A method for manufacturing a top board for furniture such as a table, a table, etc., comprising a surface material, a cushion material, a core material, a back surface material and a mouthpiece material, having a thickness of 0.1 mm to 0.4 mm and a pencil hardness of 2H to 5H A surface material made of a thermoplastic resin sheet, a cushion material made of an elastic material such as EVA or urethane foam having a thickness of 1 mm to 5 mm and a hardness of HDA 30 to HDA 80, a core material made of a thickness of 5 mm to 50 mm, and a back material Are stacked and pressure-bonded to form a top plate body, and the height is 2 mm to 6 mm and the depth is 1 mm to 5 mm across the entire cushion material and the surface side of the core material at the side edge of the top plate body. A notch groove is formed, and the top plate body is supported upside down so that the back material is upside down, and the molding die has a side edge including the notch groove of the top plate body. Molding of the above-mentioned mouthpiece is possible In this case, the two-part urethane resin or the molten thermoplastic resin having a hardness after curing of HDA60 to HDD40 is injected into a molding die and cured, whereby the top member is made into the top plate body. A method of manufacturing a furniture top plate, wherein the furniture top plate is in close contact with a side edge of the furniture. 表面材は厚みが0.1mm〜0.4mm、鉛筆硬度が2H〜5Hで上層から順に表面保護層、透明熱可塑性樹脂層、絵柄模様層及びポリオレフィン系樹脂を主剤とする熱可塑性樹脂基材を積層した積層シートであることを特徴とする請求項1、2又は3に記載の家具の天板又は請求項4又は5に記載の家具の天板の製造方法。   The surface material has a thickness of 0.1 mm to 0.4 mm, a pencil hardness of 2H to 5H, and a thermoplastic resin base material mainly composed of a surface protective layer, a transparent thermoplastic resin layer, a pattern layer, and a polyolefin resin in order from the upper layer. The method for producing the furniture top plate according to claim 1, 2 or 3, or the furniture top plate according to claim 4 or 5, wherein the furniture top plate is a laminated sheet. 芯材は、パーティクルボードであることを特徴とする請求項1、3及び6のいずれかに記載の家具の天板又は請求項4〜6のいずれかに記載の家具の天板の製造方法。   The manufacturing method of a furniture top plate according to any one of claims 1, 3, and 6, or a furniture top plate according to any one of claims 4 to 6, wherein the core material is a particle board.
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JP3803160B2 (en) * 1997-03-10 2006-08-02 成田工業株式会社 Table board
JP2000102421A (en) * 1998-09-30 2000-04-11 Matsushita Electric Works Ltd Top plate for kotatsu (foot warmer)
JP3476140B2 (en) * 2000-10-16 2003-12-10 株式会社イトーキクレビオ Decorative sheet for top plate and decorative top plate using the same
JP4390251B2 (en) * 2003-07-29 2009-12-24 大日本印刷株式会社 Top board
JP2005052548A (en) * 2003-08-07 2005-03-03 Nariaki Matsue Composite board member
JP2008168049A (en) * 2007-01-15 2008-07-24 Tokiha Sangyo Kk Plate material with pattern part formed at peripheral edge part, and its manufacturing method
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