EP0066556A2 - Procédé et dispositif pour presser une feuille mince sur une plaque - Google Patents

Procédé et dispositif pour presser une feuille mince sur une plaque Download PDF

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Publication number
EP0066556A2
EP0066556A2 EP82830139A EP82830139A EP0066556A2 EP 0066556 A2 EP0066556 A2 EP 0066556A2 EP 82830139 A EP82830139 A EP 82830139A EP 82830139 A EP82830139 A EP 82830139A EP 0066556 A2 EP0066556 A2 EP 0066556A2
Authority
EP
European Patent Office
Prior art keywords
chamber
vacuum
pressing plate
pressure
pressing
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.)
Granted
Application number
EP82830139A
Other languages
German (de)
English (en)
Other versions
EP0066556A3 (en
EP0066556B1 (fr
Inventor
Valerio Savorgnan
Dino Mio
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT82830139T priority Critical patent/ATE18647T1/de
Publication of EP0066556A2 publication Critical patent/EP0066556A2/fr
Publication of EP0066556A3 publication Critical patent/EP0066556A3/en
Application granted granted Critical
Publication of EP0066556B1 publication Critical patent/EP0066556B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
    • B27D1/083—Presses specially designed for making the manufacture of shaped plywood articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/02—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of a flexible element, e.g. diaphragm, urged by fluid pressure

Definitions

  • the invention relates to a process and relative equipment for veneering through a veneer press thin layers on curve and/or flat surfaces, particularly for production of panels, as for instance the panels for small doors used in furniture production.
  • the equipment could be more particularly applied to the planes of the usual presses for furniture panel production or be the main characteristic of a specific press for non-flat surfaces.
  • a further object of the present invention is a press provided with such equipment or system fit to realize the process constituent the characteristic form of the present invention.
  • the purpose of the present invention is the realization of a new process of veneering or glueing thin layers on panels with variously shaped surface allowing the utilization also with flat surface and furthermore allows the glueing,besides on the larger external surface of the panel, also on the perimetric surfaces and this using low-cost equipments and with a very efficient, profitable process.
  • the invention solves the problem utilizing a veneering method under the effects of the pressure and/or depression obtained on a rubber sheet with the pneumatic action of compressed air on one side and the depression caused by a vacuum pump on the other side.
  • the intervention times of the pressures through the available temperatures and used materials are regulated by a preferably automatic cycle previously set.
  • Standard equipment according to the invention is more particularly constituted by:
  • This embodiment is to be applied in a press system as above-stated to carry out the pressing of a panel whose surface has to be covered, after being smeared with glue, with a thin_covering, like a valuable wood layer or veneer and pressed between the lower pressing plate and the upper pressing plate of the press with the overhanging interposition of said rubber sheet in co-operation with the action of two opposed chambers, an upper one "A” and a lower one "B” respectively, in which through a vacuum action in the upper chamber to recall up and heat the rubber sheet, pressing and depression action in the lower chamber or pressure in the upper chamber, the recall down of the rubber sheet is allowed to make it adhere perfectly to the shape of the panel to cover, shaping in the same way under pressure the veneer, which under said pressure action of the rubber sheet and' of the heat will glue on the covered panel surface.
  • a flexible and elastic rubber sheet "G” is stretched, which, under the depression action through suction of the air contained in chamber “A” can be deformed as represented in Figure 2 coming elastically in perfect contact and adhesion with the surface of the upper plate 2 of .the press.
  • the lower plate of the press which for this purpose can move up and down for the pressing operation 6, is supplied with a piping 7 reentering the inner perimeter of chamber "A” defined by the perimetric frame 1 and furthermore on the movable lower plate 6 there is a support "D” fit to support the panel to be pressed “P” whose upper and lateral external surface has to be covered through the glueing of a wood layer of flexible type "T" as represented in Figure 2.
  • the piping 7 of the lower plate 6 will obviously be connected to the well known means of operating of a pump to realize a depression in the lower chamber "B” which takes place after the pressing operation of Figure 5 between the flexible rubber sheet "G” and the lower plate 6 to get a vacuum action starting from a position as represented in Figure 5 to shape, through the depression action, the rubber sheet "G” as represented in Figure 6; and this with the operating of the depression means which preferably is also suitable for operating in the piping 4 of the upper plate 2 alternatively as follows : operating of the vacuum in the upper chamber "A", pressing, operating of the depression in the lower chamber "B” by vacuum action in the outlet 7 of the lower plate 6 with free atmospheric pressure on the upper chamber "A” or under pressure by means of the inlet realizing with such an operation the glueing under the temperature and pressure action as represented in Figure 6.
  • the upper plate of the press 2 will be brought to a temperature of 95-120°C and in the same way the lower plate of the press will be brought at the same or about at the same temperature, more or less according to the specific requirements.
  • a further system to accelerate the glueing will be carried out through the utilization of inlet of preheated air in such a way to accelerate the glueing and polymerisation system.
  • valves arranged and programmed on purpose with the cycle will reverse the flow of the fluids in the chambers "A” and “B” starting the very step of the glueing of the remaining surfaces which, as already mentioned at the beginning,takes . / place for the combined action of the pneumatic pressure in the upper chamber “A” and the pneumatic depression in the lower chamber “B” and the mechanical pressure in the upper flat part of the piece.
  • the rubber sheet "G" preheated by contact with the hot parts of the press, lying on the curve surfaces of the piece will carry heat and give this heat to the glueing surfaces of the same piece through the respective wood layer of covering.
  • the pressure of the compressed air will be regulated in accordance to the shape of the pieces and their number; anyhow, the value cannot exceed that of the setting of the highest pressure valve installed on the bag whose values will be calculated on the basis of the mechanical resistances offered by the frame.
  • the automatically piloted electro-valves (not represented but of a well known type) will obviously intervene after a predetermined time reversing the flow of the fluids in the chambers "A" and "B" of the frame and thus setting the rubber sheet in the starting position as said in the condition preceding the pressing, so starting another preheating step of the rubber sheet which will last all the necessary time for discharching the glued pieces and smearing and introducing the new ones.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Paper (AREA)
  • Catalysts (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Adhesives Or Adhesive Processes (AREA)
EP82830139A 1981-05-27 1982-05-24 Procédé et dispositif pour presser une feuille mince sur une plaque Expired EP0066556B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82830139T ATE18647T1 (de) 1981-05-27 1982-05-24 Verfahren und vorrichtung zum pressen einer duennen schicht an einer moebelplatte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT83394/81A IT1146791B (it) 1981-05-27 1981-05-27 Procedimento e attrezzatura per l'incollaggio mediante pressa di sfogliati sottili su superfici curve e/o piane
IT8339481 1981-05-27

Publications (3)

Publication Number Publication Date
EP0066556A2 true EP0066556A2 (fr) 1982-12-08
EP0066556A3 EP0066556A3 (en) 1983-08-17
EP0066556B1 EP0066556B1 (fr) 1986-03-19

Family

ID=11321229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82830139A Expired EP0066556B1 (fr) 1981-05-27 1982-05-24 Procédé et dispositif pour presser une feuille mince sur une plaque

Country Status (6)

Country Link
EP (1) EP0066556B1 (fr)
AT (1) ATE18647T1 (fr)
BR (1) BR8204286A (fr)
DE (1) DE3269948D1 (fr)
ES (1) ES513374A0 (fr)
IT (1) IT1146791B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407359B (de) * 1998-03-20 2001-02-26 Guenther Vetter Beschichtungspresse
WO2006128699A2 (fr) * 2005-06-03 2006-12-07 3S Swiss Solar Systems Ag Machine pour produire des elements en forme de plaques en materiau composite
DE102010049213B3 (de) * 2010-10-21 2011-12-29 Lsi Ludwig Schleicher Ingenium Gmbh & Co. Kg Verfahren und Vorrichtung zum Befestigen eines Bezugs an einem Fahrzeug-Bauteil
CN103042577A (zh) * 2013-01-04 2013-04-17 太仓锦阳宝船建造有限公司 一种游艇最外层木板的贴合工艺
CN104960309A (zh) * 2015-07-10 2015-10-07 苏州一瓦包装设备有限公司 瓦楞纸板生产线双面机快速压载贴合***
FR3052379A1 (fr) * 2016-06-13 2017-12-15 Univ Bordeaux Procede d'assemblage de bois deroule en forme de tube et produits issus du dit procede
CN112428379A (zh) * 2020-11-13 2021-03-02 山东唐唐家居有限公司 一种多层模压门面板造型装置及其工艺
CN113276233A (zh) * 2021-05-14 2021-08-20 永城职业学院 一种高效的木制家具加工压胶装置
CN116160519A (zh) * 2023-01-04 2023-05-26 时欣家具南通股份有限公司 一种多层板压合设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH197927A (de) * 1937-06-16 1938-05-31 Hans Schmitter Verfahren und Einrichtung zum Absperren und Fournieren von geschweiften Möbelstücken.
GB494885A (en) * 1937-09-22 1938-11-03 Johann Palfi Improvements in or relating to pressing, bending or veneering wood
CH203501A (de) * 1938-03-12 1939-03-15 Horn Willy Furnierpresse.
CH239587A (de) * 1944-04-13 1945-10-31 Sueffert Buerner Fritz Presseinrichtung zum Absperren und Furnieren von Holzstücken.
CH289132A (de) * 1951-03-01 1953-02-28 Ag Ulrich Steinemann Furnierpresse.
DE1183353B (de) * 1960-10-14 1964-12-10 Us Rubber Co Vakuumtiefziehverfahren zum UEberziehen gepolsterter Werkstuecke mit einem UEberzugsstoff und Vorrichtung zu dessen Durchfuehrung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH197927A (de) * 1937-06-16 1938-05-31 Hans Schmitter Verfahren und Einrichtung zum Absperren und Fournieren von geschweiften Möbelstücken.
GB494885A (en) * 1937-09-22 1938-11-03 Johann Palfi Improvements in or relating to pressing, bending or veneering wood
CH203501A (de) * 1938-03-12 1939-03-15 Horn Willy Furnierpresse.
CH239587A (de) * 1944-04-13 1945-10-31 Sueffert Buerner Fritz Presseinrichtung zum Absperren und Furnieren von Holzstücken.
CH289132A (de) * 1951-03-01 1953-02-28 Ag Ulrich Steinemann Furnierpresse.
DE1183353B (de) * 1960-10-14 1964-12-10 Us Rubber Co Vakuumtiefziehverfahren zum UEberziehen gepolsterter Werkstuecke mit einem UEberzugsstoff und Vorrichtung zu dessen Durchfuehrung

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT407359B (de) * 1998-03-20 2001-02-26 Guenther Vetter Beschichtungspresse
US8122929B2 (en) 2005-06-03 2012-02-28 3S Swiss Solar Systems Ag Machine for the production of sheet elements from composite material
WO2006128699A3 (fr) * 2005-06-03 2007-04-19 3S Swiss Solar Systems Ag Machine pour produire des elements en forme de plaques en materiau composite
AU2006254342B2 (en) * 2005-06-03 2011-03-03 3S Swiss Solar Systems Ag Machine for the production of sheet elements from composite material
EP2295246A1 (fr) * 2005-06-03 2011-03-16 3S Swiss Solar Systems AG Machine de fabrication d'éléments en forme de plaques à partir de matières composites
WO2006128699A2 (fr) * 2005-06-03 2006-12-07 3S Swiss Solar Systems Ag Machine pour produire des elements en forme de plaques en materiau composite
DE102010049213B3 (de) * 2010-10-21 2011-12-29 Lsi Ludwig Schleicher Ingenium Gmbh & Co. Kg Verfahren und Vorrichtung zum Befestigen eines Bezugs an einem Fahrzeug-Bauteil
CN103042577A (zh) * 2013-01-04 2013-04-17 太仓锦阳宝船建造有限公司 一种游艇最外层木板的贴合工艺
CN104960309A (zh) * 2015-07-10 2015-10-07 苏州一瓦包装设备有限公司 瓦楞纸板生产线双面机快速压载贴合***
FR3052379A1 (fr) * 2016-06-13 2017-12-15 Univ Bordeaux Procede d'assemblage de bois deroule en forme de tube et produits issus du dit procede
CN112428379A (zh) * 2020-11-13 2021-03-02 山东唐唐家居有限公司 一种多层模压门面板造型装置及其工艺
CN113276233A (zh) * 2021-05-14 2021-08-20 永城职业学院 一种高效的木制家具加工压胶装置
CN116160519A (zh) * 2023-01-04 2023-05-26 时欣家具南通股份有限公司 一种多层板压合设备

Also Published As

Publication number Publication date
IT8183394A0 (it) 1981-05-27
ES8306633A1 (es) 1983-06-01
EP0066556A3 (en) 1983-08-17
ES513374A0 (es) 1983-06-01
DE3269948D1 (en) 1986-04-24
ATE18647T1 (de) 1986-04-15
BR8204286A (pt) 1984-01-10
EP0066556B1 (fr) 1986-03-19
IT1146791B (it) 1986-11-19

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