US20040076493A1 - Method and apparatus for the manufacture of sheet-laminated aluminum profile - Google Patents

Method and apparatus for the manufacture of sheet-laminated aluminum profile Download PDF

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Publication number
US20040076493A1
US20040076493A1 US10/674,256 US67425603A US2004076493A1 US 20040076493 A1 US20040076493 A1 US 20040076493A1 US 67425603 A US67425603 A US 67425603A US 2004076493 A1 US2004076493 A1 US 2004076493A1
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Prior art keywords
sheet material
aluminum profile
electric discharge
profile
aluminum
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US10/674,256
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English (en)
Inventor
Masatake Tsuboi
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YKK AP Inc
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YKK Corp
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Assigned to YKK CORPORATION reassignment YKK CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TSUBOI, MASATAKE
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/001—Disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/02—Trimming or deburring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/06—Severing by using heat
    • B26F3/16—Severing by using heat by radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • B29C63/044—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like continuously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section

Definitions

  • This invention relates to a technique for the union between an aluminum profile and a sheet material, and more particularly relates to a method for the manufacture of an aluminum profile having a resin sheet material laminated thereon and an apparatus to be used therefor.
  • the term “aluminum profile(s)” is used herein to express the shape(s) or section(s) made of aluminum or an aluminum alloy.
  • the sheet-laminated aluminum profiles having a resin sheet material laminated on the surface of a profile made of aluminum or an aluminum alloy have been used in various technical fields because they are light and excellent in durability, strength, appearance, or the like.
  • a sheet material is continuously laminated on a plurality of aluminum profiles being conveyed and a portion of the sheet material between aluminum profiles is cut with a cutting device, such as a rotary cutting saw blade, a guillotine cutter, and a disk type rotary cutter to form sheet-laminated aluminum profiles.
  • a cutting device such as a rotary cutting saw blade, a guillotine cutter, and a disk type rotary cutter to form sheet-laminated aluminum profiles.
  • a further object of the present invention is to develop a technique for improving the adhesiveness between a profile and a resin sheet material and continuously performing accurate cutting of a sheet material only by a relatively simple and inexpensive process and, therefore, to provide a method and an apparatus for the manufacture of a sheet-laminated aluminum profile comprising a profile and a resin sheet material integrally joined fast to each other at a low cost with high productivity, without causing such problems as occurrence of cutting dust and defective products.
  • a first aspect of the present invention provides a method for the manufacture of a sheet-laminated aluminum profile.
  • a fundamental embodiment thereof is characterized by the steps of continuously laminating a sheet material on a plurality of aluminum profiles and cutting the sheet material at a position between the aluminum profiles mentioned above by an electric discharge cutting treatment to form the sheet-laminated aluminum profile.
  • the cutting when the sheet material is cut by an electric discharge cutting treatment, the cutting is performed while applying a tension stress to a portion of the sheet material to be cut.
  • One concrete embodiment for performing this operation is to set the conveyance speeds of aluminum profiles before and after the cutting at such a ratio that the conveyance speed of the aluminum profile in the downstream side is higher than the conveyance speed of the aluminum profile in the upstream side in the step of cutting the sheet material by an electric discharge cutting treatment.
  • the aluminum profile mentioned above is a coated aluminum profile and this aluminum profile is subjected to the surface modification by an electric discharge treatment and then to the lamination of a sheet material. More preferably, the surface of the aluminum profile mentioned above is subjected to the surface modification by an electric discharge treatment, a surface portion of the aluminum profile on which an edge portion of the sheet material is to be laminated is subjected to a local electric discharge treatment, and then a sheet material is laminated on the profile.
  • the profile to be effectively used in this method may be a profile having a coating film formed by a coating treatment on the surface of a profile of aluminum or an aluminum alloy, usually an extruded profile, or a profile having formed thereon a composite film comprising an anodic oxide film, a colored oxide film, or a chemical conversion film and a coating film superposed thereon.
  • a profile furnished on the surface thereof with a coating film is invariably usable for the method mentioned above.
  • the coating treatment involved herein may be performed by any of the heretofore known methods such as, for example, electrodeposition coating, immersion coating, and electrostatic coating.
  • an apparatus for the manufacture of a sheet-laminated aluminum profile comprising a conveying means for conveying aluminum profiles, a sheet material supplying means for continuously supplying a sheet material to a plurality of aluminum profiles being conveyed, a means for laminating the sheet material on surfaces of the aluminum profiles, an electric discharge cutting device for cutting the sheet material laminated on the plurality of aluminum profiles at a position between the aluminum profiles.
  • the conveying means mentioned above comprises an upstream side conveying means and a downstream side conveying means disposed respectively before and behind the electric discharge cutting device and is capable of regulating the conveyance speed of the downstream side conveying means to be higher than the conveyance speed of the upstream side conveying means.
  • the conveying means mentioned above further comprises a conveying means for supplying profiles disposed on the upstream side of the sheet material supplying means, and an electric discharge treatment unit for performing the surface modification of coated aluminum profiles is disposed over a transfer line of the conveying means for supplying profiles.
  • the electric discharge treatment unit for performing the surface modification of the coated aluminum profiles comprises an electric discharge surface treatment unit for performing modification of a surface of the coated aluminum profile and a local electric discharge treatment unit for performing modification of a surface portion of the coated aluminum profile on which an edge portion of the sheet material is to be laminated.
  • FIG. 1 is a schematic side view illustrating a schematic construction of one embodiment of an apparatus for the manufacture of a sheet-laminated aluminum profile according to the present invention
  • FIG. 2 is a fragmentary schematic perspective view illustrating an essential part of the apparatus for the manufacture of a sheet-laminated aluminum profile shown in FIG. 1;
  • FIG. 3 is a fragmentary schematic perspective view illustrating the state after cutting of a sheet material of a sheet-laminated aluminum profile by an electric discharge cutting treatment
  • FIG. 4 is a diagram illustrating a schematic construction of one example of a device for corona discharge treatment
  • FIG. 5 is a schematic explanatory diagram illustrating a surface modification process of a coated aluminum profile by an electric discharge treatment
  • FIG. 6 is a schematic cross-sectional view illustrating one example of an electric discharge sheet cutter
  • FIG. 8 is a schematic cross-sectional view illustrating one example of a sheet-laminated aluminum profile.
  • the sheet material is cut by virtue of thermal energy by the electric discharge cutting treatment, without using a mechanical cutting device to be used in the conventional method.
  • the following functions and effects can be obtained.
  • the sheet material can be cut even if it is in a three-dimensional form laminated on a large-sized profile or a curved surface.
  • the cutting can be done in a short time without exerting the thermal influence on the sheet material.
  • the sheet material is cut by the electric discharge cutting-treatment in such a manner that the conveyance speeds of aluminum profiles before and after the cutting are set at such a ratio that the conveyance speed of the aluminum profile in the downstream side is higher than the conveyance speed of the aluminum profile in the-upstream side, the cutting of the sheet material can be done while continuously conveying the profiles. This feature is advantageous in view of the productivity.
  • the aluminum profile mentioned above is a coated aluminum profile, and this aluminum profile is subjected to the surface modification by an electric discharge treatment and then to the lamination of a sheet material.
  • the surface modification treatment mentioned above it is necessary to use an aluminum profile which has been subjected to a coating treatment. If the surface modification treatment is not carried out, however, both an uncoated aluminum profile and a coated aluminum profile may be used.
  • the coating film on the surface of the profile is only required to be capable of forming such a hydrophilic functional group as mentioned above in consequence of the electric discharge treatment.
  • the coating films which result from applying an acrylic resin coating material, an acryl-melamine resin coating material, a polyester coating material, a polyurethane coating material, a melamine resin coating material, an acryl-silicone resin coating material (having two or more fluorine atoms bound to a silane group) by such a coating method as electrodeposition coating, immersion coating, or electrostatic coating may be cited.
  • the method of corona discharge treatment which can be carried out rather simply at normal room temperature under normal pressure at a low cost proves to be particularly advantageous.
  • the treating devices available for the corona discharge treatment are broadly known in three types, i.e. a spark gap system, a vacuum tube system, and a solid state system.
  • a spark gap system i.e. a spark gap system
  • a vacuum tube system i.e. a vacuum tube system
  • a solid state system i.e. a solid state system.
  • any of these systems can be effectively adopted.
  • the conditions for the electric discharge treatment are preferred to be set such that the surface of the coating film of a discharge treated profile registers a surface tension of not less than 45 dyn/cm or causes 5 ⁇ l of a water drop poured thereon to spread over an area of not less than 3.5 cm, preferably not less than 3.7 cm, in diameter.
  • These conditions can be adjusted, for example, by suitably setting the speed of conveyance of the profiles or the magnitude of discharge voltage or other discharge conditions.
  • FIG. 1 through FIG. 3 show the schematic construction of an apparatus for the manufacture of a sheet-laminated aluminum profile which can perform continuously a series of steps of the surface modification of a coated aluminum profile, the lamination of a sheet material thereon, automatic cutting of the sheet material by an electric discharge cutting treatment, and the discharge of products.
  • An aluminum profile 1 which is in motion on a profile supply conveyor 2 enters in a corona discharge treatment unit 10 and a surface modification treatment of a coating film thereof is performed herein. Thereafter, the sides of the aluminum profile on which the edges of a sheet material is to be laminated is subjected to a local electric discharge treatment by a local electric discharge treatment unit 20 .
  • the aluminum profile 1 which has undergone the surface modification as mentioned above is subsequently transferred to a lamination unit 30 and in a heating section 31 herein firstly heated to a temperature suitable for the lamination of a sheet material.
  • the heating temperature can be suitably set depending on the kind of the sheet material to be laminated or an adhesive.
  • the applied adhesive will assume the state of having adequate tackiness.
  • the sheet material 41 of this state is supplied to the sheet shaping section 32 , laminated on the aluminum profile 1 during the aluminum profile passes through the shaping section 32 , and shaped under pressure by upper pressure rollers 35 and side pressure rollers 36 which are arranged in the shaping section 32 so that the sheet material 41 may closely adhere to the aluminum profile 1 . Then, the sheet material 41 is heated under pressure by an upper heating pressure roller 37 and a pair of side heating pressure rollers 38 which are arranged in a pressure adhesion section 33 to effect lamination on the aluminum profile 1 (see FIG. 2).
  • the upper pressure rollers 35 are illustrated as having the same width as that of the aluminum profile 1 , it is desirable that the upper pressure rollers 35 should have a width larger than that of the aluminum profile 1 and the roller surface should be elastic, in view of the subsequent lamination of the sheet material 41 on the side part and the edge part of the aluminum profile 1 with the side pressure rollers 36 .
  • the sheet material 41 is cut by the electric discharge cutting treatment at a position between the aluminum profiles 1 by means of electric discharge sheet cutters 51 in an automatic sheet cutting unit 50 (see FIG. 3) to form the sheet-laminated aluminum profile 1 a.
  • the cutting of the sheet material when the cutting of the sheet material is performed in such a manner that the speed of conveyance of the downstream side aluminum profile by means of carrying rollers 4 of a product discharge conveyor 3 which is a downstream side conveying means is higher than the speed of conveyance of the upstream side aluminum profile by means of carrying rollers 34 which are conveying means disposed on the upstream side of the electric discharge cutting treatment and arranged in the lamination unit 30 , the cutting is performed while applying a tension stress to a portion of the sheet material 41 to be cut and the cutting can be done in a short time without exerting thermal influence on the sheet material.
  • the sheet material can be cut with sufficient accuracy at the end face of the profile if the distance between the aluminum profiles 1 is several mm or less.
  • the distance between the aluminum profiles 1 is about 1 mm.
  • FIG. 4 illustrates the corona discharge treatment unit 10 for performing the surface modification treatment on the aluminum profile 1 which is in motion on the profile supply conveyor 2 of the roller conveyor type.
  • Electrodes 11 comprising a multiplicity of wires bundled are fitted to an elevating plate 13 through the medium of a porcelain insulator 12 and the periphery of the electrodes 11 is enclosed with an electrode cover 14 made of a synthetic resin and fitted to the elevating plate 13 .
  • the reference numeral 15 represents an electrode gap adjuster for adjusting the distance between the leading terminals of the electrodes 11 and the aluminum profile 1 .
  • the profile supply conveyor 2 is provided in the part thereof falling directly below the electrodes 11 with a metallic drive roller 16 a coated with a dielectric material, which is connected to the grounding side of a high-frequency oscillator 17 .
  • the electrodes 11 are connected to a high-voltage transformer 18 through the medium of the high-voltage lead wire.
  • the corona discharge treatment is effected at a high frequency and a high voltage.
  • the high-voltage part when approached by a human body, has the possibility of emitting a spark and burning the skin of the human body.
  • the electrodes 11 and the metallic drive roller 16 a are encircled with a protective frame, which is omitted from illustration here by reason of a limited space.
  • the corona discharge is effected in the air, it emits O 3 and NO x , which have adverse effects on the health of the operator.
  • the room in which the treatment is performed therefore, must be furnished with a duct 19 extended to the exterior of the room so that the air therein may remain clean at all times.
  • the protective frame mentioned above may be substituted by a protective box which is adapted to ventilate the room interior.
  • the electrode 11 to be used in the electric discharge treatment can be made in various shapes, it is desired to be composed of a multiplicity of wires bundled at the upper end as illustrated in FIG. 4.
  • the electrode 11 By forming the electrode 11 with a multiplicity of wires as described above, the electrode tends to discharge electricity through the leading ends (edge parts) thereof during the course of discharge. Accordingly, this electrode is effective in enlarging the area of discharge, preventing the concentration of discharge on the corner parts or edge parts, and ensuring improvement of the surface modification of the coating film.
  • the unit diameter of the wires, the quantity thereof, and the positions of their leading terminals can be suitably adjusted in accordance with the cross-sectional shape, size, etc. of the profile subjected to the electric discharge treatment.
  • the unit diameter of the wires be not more than 1 mm, preferably in the range of 0.1-0.7 mm, and the quantity thereof be not more than 100.
  • the component wire may be formed-by intertwining still thinner wires. In this case, since the leading terminal parts of the wires come apart and expose the leading terminal parts of a greater number of thinner wires, they allow easy discharge of electricity. Further, since the component wires are further endowed with elasticity, they are at an advantage in resuming their original shape perfectly after the electric discharge treatment which is performed while they are sliding in a bent form on the surface of the profile.
  • aluminum, stainless steel, iron, copper, etc. may be used either in a form devoid of a coating or in a form lined with such a dielectric material as silicone rubber.
  • a plurality of electrodes 11 are arranged in the transverse direction of the profile at a predetermined interval depending on the width of profile or the like so that the surface modification of the whole surface of the aluminum profile may be carried out.
  • the aluminum profile 1 which has been subjected to the surface modification by the corona discharge treatment as described above is then subjected to the local electric discharge treatment which is performed to the both sides of the aluminum profile, on which the edge parts of the sheet material are to be laminated, by means of a pair of right and left local electric discharge treatment devices 20 , as shown in FIG. 5.
  • these local electric discharge treatment devices 20 unlike the above-mentioned corona discharge treatment, the electric discharge treatment device having the same structure as that of the electric discharge sheet cutter to be described hereinafter is used for the purpose of increasing the surface modification effect. However, the degree of convergence of a plasma beam can be adjusted.
  • the aluminum profile 1 having the sheet material 41 laminated thereon as described above is sent to the automatic sheet cutting unit 50 and the sheet material 41 is cut by the electric discharge cutting treatment at a position between the aluminum profiles 1 by means of electric discharge sheet cutters 51 to form the sheet-laminated aluminum profile la.
  • the schematic structure of this electric discharge sheet cutter 51 is shown in FIG. 6.
  • the electric discharge sheet cutter 51 has a cup-like housing 52 of a plastic provided at one side thereof with a working gas introduction pipe 53 for supplying a working gas, such as air and argon gas.
  • a nozzle pipe 54 of ceramics is coaxially and fixedly fitted in an opening of the housing 52 .
  • the housing 52 is provided in the central upper part thereof with a pin electrode 55 made of a conductive metal such as, for example, copper.
  • the tip of the pin electrode 55 is projected into the nozzle pipe 54 .
  • a ring electrode 56 made of a conductive material and having an opening 57 is attached to the lower end of the nozzle pipe 54 .
  • the ring electrode 56 is grounded and a high frequency voltage of the magnitude of about 5-30 kHz, for example, 20 kHz, is applied between this ring electrode 56 and the pin electrode 55 by means of a high frequency generator 58 .
  • the working gas introduction pipe 53 is eccentrically attached to the housing 52 , the supplied working gas flows through the inside of the nozzle pipe 54 spirally and is gathered by the opening 57 used as a lower end outlet. As a result, the stable vortex of gas is formed and the core of the vortex is extended along the axis of the nozzle pipe 54 .
  • this arc “A” when air is used as the working gas, the source of the “flame” which emits golden light weakly is formed and the so-called plasma beam “B” composed of charged particles, such as electrons and positive and/or negative ions, neutral atoms, the molecule radicals, the photons emitted and the like, is generated.
  • This plasma beam “B” is used to cut the sheet material 41 at a position between the above-mentioned aluminum profiles 1 .
  • the plasma arc “A” extends from the tip of the pin electrode 55 to the ring electrode 56 substantially in the axial direction of the nozzle pipe 54 , i.e. in parallel with the flow of the working gas. Accordingly, the strong directive plasma beam “B” converged comparatively sharply is emitted from the opening 57 of the ring electrode 56 .
  • the degree of convergence of the beam can be adjusted as needed. Another advantage of this method is being able to perform the electric discharge treatment containing actually no ozone.
  • the above-mentioned electric discharge sheet cutters 51 are used as a pair and, as shown in FIG. 7, respectively moves to right and left from the upper part of the aluminum profile 1 having the sheet material 41 laminated thereon so that the whole sheet material may be cut by the irradiation with a plasma beam in a transverse direction.
  • the sheet material 41 After the sheet material 41 is laminated on one surface of the aluminum profile 1 as described above, if necessary, the sheet material 41 may be again laminated on the other surface of the aluminum profile 1 according to the process described above, and then the electric discharge cutting of the sheet material at a position between the profiles can be performed.
  • the sheet-laminated aluminum profile la having the sheet materials 41 laminated on the whole surface of the aluminum profile 1 as shown in FIG. 8 is manufactured.
  • the present invention is not limited to the above-mentioned embodiments.
  • the manufacture of the sheet-laminated aluminum profile has been described with reference to a preferred embodiment capable of continuously performing a series of steps of the surface modification of the coated aluminum profile, the lamination of the sheet material, the automatic cutting of the sheet material by the electric discharge cutting treatment, and the discharge of products
  • the aluminum profile which, has undergone the anodic oxidization treatment or further the sealing of the anodic oxide film can be directly subjected to the sheet material lamination step, without subjecting to the surface modification by the above-mentioned electric discharge treatment.

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  • Physics & Mathematics (AREA)
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US10/674,256 2002-10-16 2003-09-29 Method and apparatus for the manufacture of sheet-laminated aluminum profile Abandoned US20040076493A1 (en)

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Application Number Priority Date Filing Date Title
JP2002301581A JP3939628B2 (ja) 2002-10-16 2002-10-16 シート貼着アルミニウム形材の製造方法及び装置
JP2002-301581 2002-10-16

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WO2009109302A1 (en) 2008-03-03 2009-09-11 Düspohl Maschinenbau Gmbh Method and apparatus for manufacturing coated profile members
US20130075043A1 (en) * 2011-09-22 2013-03-28 Duspohl Maschinenbau Gmbh Profile Coating Machine
CN103820775A (zh) * 2014-03-20 2014-05-28 湖州巨力铝型材有限公司 一种光亮防腐的铝型材制备方法
CN103820776A (zh) * 2014-03-20 2014-05-28 湖州巨力铝型材有限公司 一种建筑用铝型材改性方法
CN103923459A (zh) * 2014-03-20 2014-07-16 湖州巨力铝型材有限公司 一种表面雕花的粉末喷涂隔热铝型材的制备方法
ES2807078A1 (es) * 2019-08-19 2021-02-19 Mecanicas Sercas S L Sistema y procedimiento de aplicacion de film protector en piezas ceramicas

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KR101962638B1 (ko) * 2018-10-02 2019-03-27 한수환 피복한 사각관과 그 성형장치 및 이를 이용한 제조방법
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WO2009109302A1 (en) 2008-03-03 2009-09-11 Düspohl Maschinenbau Gmbh Method and apparatus for manufacturing coated profile members
EP2247432A1 (en) * 2008-03-03 2010-11-10 Düspohl Maschinenbau GmbH Method and apparatus for manufacturing coated profile members
US20110005665A1 (en) * 2008-03-03 2011-01-13 Duspohl Maschinenbau Gmbh Method and Apparatus for Manufacturing Coated Profile Members
US8518200B2 (en) 2008-03-03 2013-08-27 Düspohl Maschinenbau Gmbh Method and apparatus for manufacturing coated profile members
EP2247432B1 (en) * 2008-03-03 2013-10-09 Düspohl Maschinenbau GmbH Method and apparatus for manufacturing coated profile members
US20130075043A1 (en) * 2011-09-22 2013-03-28 Duspohl Maschinenbau Gmbh Profile Coating Machine
CN103820775A (zh) * 2014-03-20 2014-05-28 湖州巨力铝型材有限公司 一种光亮防腐的铝型材制备方法
CN103820776A (zh) * 2014-03-20 2014-05-28 湖州巨力铝型材有限公司 一种建筑用铝型材改性方法
CN103923459A (zh) * 2014-03-20 2014-07-16 湖州巨力铝型材有限公司 一种表面雕花的粉末喷涂隔热铝型材的制备方法
ES2807078A1 (es) * 2019-08-19 2021-02-19 Mecanicas Sercas S L Sistema y procedimiento de aplicacion de film protector en piezas ceramicas
EP3782796A1 (en) * 2019-08-19 2021-02-24 Mecánicas Sercas, S.L. System and method for applying protective film on ceramic parts

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CN1496783A (zh) 2004-05-19

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