EP3546164A1 - Integrationasverfahren mindestens eines elektronischen elements in eine tischplatte, die durch formguss erzeugt wird, so erzeugte tischplatte - Google Patents

Integrationasverfahren mindestens eines elektronischen elements in eine tischplatte, die durch formguss erzeugt wird, so erzeugte tischplatte Download PDF

Info

Publication number
EP3546164A1
EP3546164A1 EP19165174.4A EP19165174A EP3546164A1 EP 3546164 A1 EP3546164 A1 EP 3546164A1 EP 19165174 A EP19165174 A EP 19165174A EP 3546164 A1 EP3546164 A1 EP 3546164A1
Authority
EP
European Patent Office
Prior art keywords
table top
electronic element
mold
binder
integrating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19165174.4A
Other languages
English (en)
French (fr)
Inventor
Eric LOUGE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SM France
Original Assignee
SM France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SM France filed Critical SM France
Publication of EP3546164A1 publication Critical patent/EP3546164A1/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/08—Table tops; Rims therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • A47B96/20—Furniture panels or like furniture elements
    • A47B96/205—Composite panels, comprising several elements joined together
    • 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
    • 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
    • B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
    • 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
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • 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
    • B27N3/20—Moulding or pressing characterised by using platen-presses
    • B27N3/203—Moulding or pressing characterised by using platen-presses with heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/027—Particular press methods or systems

Definitions

  • the present invention relates to a method of integrating at least one electronic element into a table top obtained by molding.
  • the invention also covers the tabletop obtained.
  • the manufacturing process is relatively old and has not undergone a major improvement for several decades.
  • Such machining can modify the mechanical properties, generate break primers and more, it is steps of recovery, on different machines so time-consuming, and indeed expensive.
  • the present invention proposes a manufacturing method directly allowing the creation of at least one housing adapted to receive at least one electrical / electronic element, in this case a non-contact charging device for a mobile telephone.
  • the goal is to keep the same number of operations needed to make the table top laminate-molded while incorporating, within the manufacturing process, the creation of a housing and this without additional operation, without risk of embrittlement of the tabletop finally obtaining a perfect flatness.
  • this method comprises the following steps: A mold is provided with a bottom wall of at least one piston movable in translation to the profile of a housing formed in said plate, by projecting the piston of said bottom wall of said mold
  • An amount of pulverulent and / or fibrous material associated with a binder is deposited in the mold to form the composite material to be produced.
  • the table top can then be removed with the integrated electronic element.
  • the present invention covers a table equipped with the electronic element integrated in the thickness of the table top.
  • At least one electronic element is understood to mean at least one recharging device R , the non-contact charging antenna of a telephone or other device and any supply wires of said antenna to a power supply. AL electric.
  • the table top is made according to a process comprising several distinct steps.
  • a first step consists in depositing chips of a pulverulent and / or fibrous material, namely wood chips associated with a binder, in a mold, said mold having an imprint to the external dimensions of the future table top, to finishing layers near.
  • a second step consists of a first cold pressing of the chips associated with the binder, which makes it possible to obtain a compact, compact "table top” whose mechanical strength is sufficient to allow its handling.
  • the raw table top obtained is then placed in another press where it then undergoes a first hot pressing to develop the sticky characteristics of the binders present with the chips.
  • the maximum strength and mechanical properties are then obtained after this first hot pressing.
  • An additional optional step is to provide the integrated finishing sheets on the product from the first hot pressing, introduced with a second hot pressing.
  • FIGS. 1A, 1B, 1C , 1D, 1E represent the various integration steps of the recharging device.
  • the lower surface is the surface which will be below, provided with one-foot fastening means for example, when using the table top and that the upper surface is the surface that will be above, which must be flat and which will receive the objects and other elements when using the table top.
  • the Figure 1A represents the first step of the production of the table top 10.
  • Wood chips 12 associated with a binder 14 are deposited in a mold 16.
  • the mold 16 of the drawings has an imprint, in this case, a square-shaped imprint, but any form of tray, rectangular, round, oval, is achievable with the method according to the present invention. Edges downwards can be generated on the board but in this case for the simplification of the drawings and explanations, the board is described without edges.
  • the method provides the use of a mold 16 in the lower part, intended to contain the table top 10 to be produced according to the method of the invention, surmounted by a press intended to exert a pressure in the mold on said tray as will be explained further.
  • piston 18 Prior to the removal of these wood chips 12 associated with a binder 14, there is a piston 18 below the wood chips 12.
  • the piston 18 is integrated in the bottom of the mold 16. This piston 18 is mounted mobile in vertical translation in a housing formed in the mold to allow its retraction.
  • this piston 18 projects partially above the upper plane of the mold to a given height, which reduces the chip height to the right of said piston.
  • a rod 20, also mobile in vertical translation is placed vertically, contiguously to the location of the piston 18.
  • This rod 20 is movable in translation relative to the mold in which it can retract as the piston 18.
  • This rod 20 at a given height, at least equal to the height of deposited wood chips, in addition to the guide height in the mold.
  • the method provides for the introduction of a thickness Ep1 of wood chips 12 in the mold 16.
  • the thickness Ep1 is then identical over the entire surface of the plate 10, except at the right of the piston 18, the chip surface is equalized to form a flat surface.
  • the thickness is reduced on a surface equal to the upper horizontal surface of the piston. This reduced thickness is of height ep .
  • the piston 18 is placed in line with the subsequent positioning of the loading device, as defined in the design.
  • the wood chips 12 are then cold-pressed by a cold press PF .
  • the Figures 1B and 1C represent the table top 10 still consisting only of wood chips 12 tablets during and after the cold pressing operation.
  • the mold 16 is placed under the cold press PF .
  • the wood chips 12 mixed with the binder 14 thus undergo a cold compression which thus bears on the wood chips 12, the piston 18 and the rod 20 passing through the thickness Ep1 of wood chips 12 being both in place.
  • the cold press PF is provided, on its lower surface which comes into contact with the wood chips constituting the table top 10, with a counterpunch 22.
  • a puck form that is to say a cylinder of diameter equal to the diameter of the piston 18 and height equal to the height of the housing to be produced.
  • the initial projection of the piston 18 is greater than the final height of the housing to be produced so as to obtain a homogeneous compression throughout the table top 10, including under said housing.
  • the lower surface of the cold press PF which comes into contact with the table top 10, is also provided, in addition to the counterpunch 22, with a flushing axis 24.
  • This flushing axis 24 is aligned axially with the rod 20 placed in the wood chips, a length at least equal to the initial thickness of the chips and the same diameter, clearance.
  • the counter punch 22 During the cold pressing, carried out by the cold press PF , the counter punch 22, during displacement in translation, comes into contact with the wood chips.
  • the counter-punch 22 exerts a pressure on the chip column in line with the piston, which retracts said piston then all the cold PF , including the counter-punch 22 exerts an equal pressure on the set of wood chips 12 which are pressed uniformly over the entire surface of the plate but also to the right of the piston which has retracted, so the pressure is the same on the entire plate as the bottom of the housing 26 thus arranged, better visible on the figure 1C .
  • the cold compression simultaneously generates the hunting of the rod 20 by the hunting axis 24 which, mobile in vertical translation, is retracted into the mold 16 and secondly, the piston 18 fades vertically downward at the time of cold compression.
  • the volume initially generated in the wood chips 12 by the rod 20 is retained by the hunting axis 24 during the cold compression. This hunt is exerted simultaneously with the compression of the plate by the cold press PF .
  • the table top 10 of wood chips 12 is compressed in an equi-distributed manner and therefore less thick, the rod 20 initially present in the wood chips 12 and driven out by the axis of 24 as compression forms a vertical passage 28.
  • the thickness of the table top 10 of wood chips 12 is reduced by about 25% of its initial value and reaches at the end of the cold compression, the thickness Ep2 .
  • the hunting axis 24 had a length equal to the thickness Ep2 not to constrain the cold compression while ensuring the formation of the vertical passage opening 28.
  • the table top 10 of thickness Ep2 has a housing 26 on its upper surface and a vertical passage 28 through. Note that the density at the right of the housing 26 is identical to the density on the entire table top. In addition, the underside of the tabletop is perfectly flat and suffers no compression disparity that can generate differential recesses and therefore appearance defects.
  • the figure 1D represents the table top 10 obtained in the previous step, provided with the loading device R placed in the housing 26, after removal of the cold press PF , before the hot pressing which will now be performed in a known manner by a hot press PC .
  • This setting up of the loading device R is carried out before the hot pressing of the table top 10 then allowing the final shaping of the table top 10.
  • At least a portion of the length of the supply wires 32 is previously placed in a capsule 36.
  • Said capsule 36 is a hemicylindrical element, placed at the lower end of the vertical passage 28 through and open downwards that is to say that the circular portion formed by the largest opening is pointing down.
  • the figure 1E represents the table top 10 obtained after the first hot pressing.
  • the first hot compression generated by a hot press PC causes, in turn, a decrease in the thickness of table top 10, which then has a final thickness Ep3 .
  • This PC hot press causes the bonding of the binder with the wood chips in this case.
  • the first hot compression makes it possible to give the mechanical properties to the table top 10 which, while undergoing heating, sees its binder 14 to be heat-crosslinked and to constitute a matrix in which the wood chips are embedded, forming the frame.
  • the finalized table top 10, composite material thus produced has the desired mechanical properties and necessary for the intended use.
  • a laminate sheet 38 formed of a decorative print 40 and resin 42 is placed on the upper surface of the table top 10.
  • this layer of laminate 38 can then bind and integrate into the matrix of the table top 10.
  • the resin constituting the laminate sheet 38 is of the same nature as the same binder 14 as that associated with the wood chips 12 , or at least compatible.
  • the resin of the matrix resulting from the first hot pressing is perfectly compatible with that of the laminate sheet 38 and a perfect integration with the table top 10 of the decorative impression occurs during the second hot pressing.
  • the table top 10 has thus received on the upper face, the decorative impression 40 in a completely integrated and indissociable manner and visible through the thin-layer resin obtained after the second hot pressing.
  • the capsule 36 provides significant resistance to at least one heat compression and heat and fulfills its role of protecting the supply wires 32.
  • This capsule 36 is removed after the manufacture of the tray and the supply son 32 can be accessible for any connection, projecting from the lower part of said tray. Depending on the nature and the cost of such a capsule, said capsule 36 can also be left in situ, it is a lost capsule, which will continue the mechanical protection.
  • the figure 1E represents the reloading elements 44 reported on the underside of the table top 10 obtained.
  • These recharging elements 44 comprise electronic control means, a support of a battery for removably receiving said battery and any other element that may be necessary for reloading mobile devices.
  • the decorative print 40 may include an indicator logo for easy location of the charging antenna 30 integrated table top 10 and therefore invisible.
  • Such integration of the recharging antenna 30 provides total protection vis-à-vis external damage, rain, liquid reversed, even hot, and vandalism, the antenna is in fact completely inviolable. The user can easily position his mobile phone on the table, at the logo level to benefit from contactless reloading.
  • the removable battery of the table can be recharged outside the opening hours of the establishment that uses the tables.
  • the batteries set up under the table, in their support, allow, on demand, the recharge of the mobile phones of consumers using the table.
  • the table trays obtained according to the method of the present invention are very mechanically resistant, are of identical shapes to the existing table trays, but offer additional possibilities to consumers. These tables avoid a sectoral link, which even if it is low voltage, remains difficult to achieve, especially outdoors because it must integrate the cables. In addition, tables can change places.
  • the power supply As for the power supply, it is placed in its support, under the lower surface of the table top and the battery supply wires are connected to the supply wires 32 of the antenna 30.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
EP19165174.4A 2018-03-30 2019-03-26 Integrationasverfahren mindestens eines elektronischen elements in eine tischplatte, die durch formguss erzeugt wird, so erzeugte tischplatte Withdrawn EP3546164A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1870377A FR3079441A1 (fr) 2018-03-30 2018-03-30 Procede d'integration d'au moins un element electronique dans un plateau de table obtenu par moulage, plateau obtenu

Publications (1)

Publication Number Publication Date
EP3546164A1 true EP3546164A1 (de) 2019-10-02

Family

ID=62528765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19165174.4A Withdrawn EP3546164A1 (de) 2018-03-30 2019-03-26 Integrationasverfahren mindestens eines elektronischen elements in eine tischplatte, die durch formguss erzeugt wird, so erzeugte tischplatte

Country Status (2)

Country Link
EP (1) EP3546164A1 (de)
FR (1) FR3079441A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1124513A (en) * 1965-12-30 1968-08-21 Schnitzler Erwin Improvements in or relating to method for the manufacture of chipboard and apparatus for carrying out this method
JPS60119508U (ja) * 1984-01-20 1985-08-13 永大産業株式会社 立体化粧板
US20110257566A1 (en) * 2010-02-12 2011-10-20 Bright Cloud International Corp Instrumented therapy table and system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1124513A (en) * 1965-12-30 1968-08-21 Schnitzler Erwin Improvements in or relating to method for the manufacture of chipboard and apparatus for carrying out this method
JPS60119508U (ja) * 1984-01-20 1985-08-13 永大産業株式会社 立体化粧板
US20110257566A1 (en) * 2010-02-12 2011-10-20 Bright Cloud International Corp Instrumented therapy table and system

Also Published As

Publication number Publication date
FR3079441A1 (fr) 2019-10-04

Similar Documents

Publication Publication Date Title
EP0669597A1 (de) Verfahren zur Herstellung einer kontaktlosen Karte
EP2694277B1 (de) Vorrichtung und verfahren zum verdichten/konsolidieren eines teils aus einem verbundstoff mit einer thermoplastischen, endlosfaserverstärkten matrix, insbesondere fasern natürlichen ursprungs
FR3053526A1 (fr) Procede de fabrication collective de dispositifs electroniques et dispositif electronique
EP0794051A1 (de) Form für eine gestapelte Mehrschichtstruktur
EP1996390A1 (de) Verfahren zur herstellung von strukturen komplexer formen aus verbundmaterialien
FR2727542A1 (fr) Carte incorporant au moins un element electronique
EP3365131B1 (de) Verfahren zur herstellung mit verwendung von schmelzen und heissisostatischem pressen
EP3625192A1 (de) Verfahren zur herstellung von pellets aus sintermaterial, wie etwa borcarbid-pellets
EP3546164A1 (de) Integrationasverfahren mindestens eines elektronischen elements in eine tischplatte, die durch formguss erzeugt wird, so erzeugte tischplatte
EP3160708B1 (de) Vorrichtung zur formung einer kunststoffkomponente mit mindestens einem hinterschnitt
EP3378102A1 (de) Leichtes fotovoltaikmodul mit einer vorderschicht aus glas oder polymer und einer hinterschicht mit erhöhten abschnitten
EP1147572B1 (de) Anordnung zur fokussierung mit einer homogenen dielektieschen luneberg linse undverfahren zur herstellung
FR3006936A1 (fr) Procede et ensemble de production d'une piece mecanique par frittage d'un materiau pulverulent
WO2000056533A1 (fr) Dispositif de compactage d'emballages, tels que bouteilles ou canettes
EP3967478A1 (de) Verfahren zur herstellun eines ausrüstungsteils eines kraftfahrzeugs und entsprechendes ausrüstungsteil
WO2016139359A1 (fr) Moule en bois avec trame chauffante
EP2653286A2 (de) Spritzprägeform und ihre Verwendung
WO2021123456A1 (fr) Procédé et outillage pour la fabrication d'une coque quadrangulaire en matériau composite
EP1260334A1 (de) Verfahren und Vorrichtung zur Herstellung van Bauelementen
EP2146834B1 (de) Verfahren und vorrichtung zur pressformung von verbundwerkstoffen
EP3849730B1 (de) Verbesserte anlage zur generativen fertigung
EP4086071A1 (de) Druckkammer für eine presse und presse, die eine solche druckkammer umfasst
FR3059159A1 (fr) Electrode pour faisceau electrochimique d'un accumulateur metal-ion a forte densite d'energie, accumulateur cylindrique ou prismatique associe
EP0063995B1 (de) Sprenggeschoss zum Freigeben vorgeformter Splitterelemente und Verfahren zur Herstellung
WO2020240128A1 (fr) Procédé de fabrication additive d'une pièce comprenant une étape de fabrication d'un support mixte

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200603