WO2006103868A1 - プレス装置 - Google Patents
プレス装置 Download PDFInfo
- Publication number
- WO2006103868A1 WO2006103868A1 PCT/JP2006/304066 JP2006304066W WO2006103868A1 WO 2006103868 A1 WO2006103868 A1 WO 2006103868A1 JP 2006304066 W JP2006304066 W JP 2006304066W WO 2006103868 A1 WO2006103868 A1 WO 2006103868A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- product
- cooling
- heat medium
- heating
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/062—Press plates
- B30B15/064—Press plates with heating or cooling means
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/20—Opening, closing or clamping
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
Definitions
- the present invention relates to a press device in which resin molded products are disposed between hot platens and pressed therebetween, and more particularly to a device which performs both hot press and cold press on one molded product.
- a material to be processed (resin material, copper foil, etc. together with a molded product after processing, hereinafter referred to as “product”) is first heat-pressed between hot platens (hot press) and then cooled at low temperature
- hot press hot platens
- the temperature of the heating plate is from normal temperature to the molding temperature (several hundreds of degrees) such as that disclosed in Japanese Patent Laid-Open Publication No. 200 03-205399 (hereinafter referred to as "Patent Document 1").
- Patent Document 1 There is a pressing device that can be controlled between the two) (ie, the heating plate combines with the cooling plate).
- the press apparatus disclosed in Patent Document 1 has an advantage that the entire apparatus can be miniaturized since both the hot press and the cold press are performed by one press apparatus.
- this press it is necessary to lower the temperature of the hot plate (cooling plate) from a high temperature forming temperature of several hundred degrees to normal temperature and to raise the temperature of the hot plate to the forming temperature when pressing the next product. . Therefore, particularly when a plurality of products are continuously formed, it takes time to raise / drop the temperature of the hot platen, which causes a problem that the production efficiency of the products is deteriorated.
- Patent document 2 An apparatus for performing a hot press such as that disclosed in Japanese Patent Laid-Open Publication No. 61-76301 (hereinafter referred to as “patent document 2”), instead of the press apparatus having the above-mentioned configuration, It is also possible to use a tandem press system including an apparatus for cold pressing and a transfer means for transferring a product between the two. Since the press system disclosed in Patent Document 2 is configured to perform hot press and cold press by different press systems, the heating plate (cooling plate) of each pressing device has a molding temperature and a low temperature state ( For example, it may be maintained at normal temperature.
- the present invention aims to provide a press that can form a product at the same speed as a tandem press that does not increase the size of the entire apparatus.
- a pair of cooling plates disposed between the heating plates so as to sandwich the product from above and below, a first position defined between the heating plates and And a cooling disc drive mechanism for horizontally moving the pair of cooling discs between the heating discs and a second position enabling heat compression of the product by the heating discs.
- the cooling plate moves horizontally and the cold press can be continued.
- pressing is performed with the pair of cooling plates sandwiched between the heating plates. That is, by driving the movable surface plate, a press pressure is applied to the cooling plate via the heating plate, whereby the product disposed between the cooling plates is pressed.
- the drive mechanism for performing pressing may be a single set, so that the entire device can be miniaturized. Since the hot press and the cold press are prepared separately, it is not necessary to change the temperature of the hot plate / cooler between the molding temperature and the normal temperature. And the cold press can be carried out alternately and continuously, and in particular, when pressing a plurality of products in succession, the processing time per product can be shortened as in a tandem press.
- a heat insulating layer is provided on each of the lower surface of the first cooling plate disposed below and the upper surface of the second cooling plate disposed above, so that the cooling plate can be removed from the heating plate. Transfer of heat to the plate is prevented, and the energy required for temperature control of the hot plate Z cooling plate is kept to the minimum necessary.
- the first section in which the fixed platen, the movable platen, the first and second heating platens, the pair of cooling platens and the cooling platen driving mechanism are kept close to vacuum.
- the pressing device is capable of adjusting the pressure of the second compartment between the atmospheric pressure and the pressure near the vacuum.
- the control means controls the pressure adjustment means to reduce the pressure in the second compartment to near vacuum and control the inner door. It is possible to open this and control the product transfer means to move the product between the first section and the second section via the inner door, and then control the inner door to close it. .
- This configuration allows the product to enter and leave the first compartment while keeping the first compartment vacuum. Since the volume of the second compartment is much smaller than that of the first compartment, the time / energy required for the pressure change of the second compartment is for changing the pressure of the first compartment. Much smaller. Therefore, this configuration makes it possible to carry out a high speed / low cost vacuum press.
- the product transfer means has two sets of transfer mechanisms for transferring the product between the first section and the second section, and the product before pressing is transferred from the second section to the first.
- FIG. 1 is a front view of a press apparatus according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along the line A-A in FIG.
- FIG. 3 is a front view of the press device according to the first embodiment of the present invention, showing a state when hot pressing is being performed.
- FIG. 4 It is a B-B cross-sectional view of FIG.
- FIG. 5 It is C 1 C sectional view of FIG.
- FIG. 6 is a top view of the tray according to the first embodiment of the present invention.
- FIG. 7 It is a D-D sectional view of FIG.
- Fig. 8 is a sectional view taken along the line E-E in Fig. 1.
- FIG. 9 is a side view of the upper cooling board and the lower cooling board in the first embodiment of the present invention. is there.
- FIG. 10 is a cross-sectional view of the upper heating plate cut in the horizontal direction according to the first embodiment of the present invention.
- FIG. 11 It is F_F sectional drawing of FIG.
- FIG. 12 is a horizontal direction sectional view of a heat generating plate in a second embodiment of the present invention.
- FIG. 13 shows the lower surface of the jacket jig in the second embodiment of the present invention.
- FIG. 1 shows a front view of a press device 1 according to a first embodiment of the present invention.
- the press device 1 is for pressing a product made of a laminated resin material, a circuit pattern made of copper or the like.
- the product is pressed between hot platens heated to the molding temperature of the resin material (hot press) and then between cold platens at normal temperature (cold press).
- the product is placed on tray T and is pressed together with tray T.
- the hot pressing step and the cold pressing step are performed in an atmosphere decompressed to near vacuum. For this reason, the heating plate and the section (first section) around the press device body 100 including the drive section of the heating plate are covered by the frame 21 which is an airtight wall surface
- second section covered with a confidential wall surface is formed to overhang from one side (the left side in the figure) of the frame 21.
- the protruding section is separated from the section where the press device body 100 is placed by the partition wall 24 and is provided with a pressure reducing pump (pressure adjusting means) not shown. It functions as a decompression chamber 25. That is, the atmospheric pressure in the decompression chamber 25 can be reduced to near vacuum by a decompression pump not shown.
- An opening 25a force S is provided on the upper surface of the frame forming the decompression chamber 25, and the product P can be taken in and out from the pressing device through the opening 25a.
- the partition 24 is provided with an opening 24a, through which the tray T and the product P disposed thereon can be moved between the press body 100 and the decompression chamber 25.
- the opening 24 a is provided with an openable and closable inner door 26. The tray T and the product P disposed thereon are movable between the press main body 100 and the decompression chamber 25 only when the inner door 26 is open. When the inner door 26 is closed, the compartment around the pressing device body 100 is completely sealed from the outside air and the pressure reducing chamber 25.
- An openable / closable outer door 23 is provided on the top surface of the opening 25a provided in the frame of the decompression chamber 25. Opening and closing of the outer door 23 is driven by a cylinder 23a. When the outer door 23 is closed, the opening 25a is covered by the outer door 23, so that the decompression chamber 25 is sealed from the outside air. In this state, the pressure reducing pump is driven to reduce the pressure in the pressure reducing chamber 25.
- the introduction of the product P before pressing into the pressing apparatus body 100 and the removal of the product P after pressing are performed through the opening 25a. That is, when the outer door 23 is opened, the tray T on which the product P is placed is placed in the decompression chamber 25 through the opening 25a, and then the tray T and the product P are transported. Is transferred to the press device body 100 by the The product P pressed by the main body 100 of the press and the tray T on which the product P is placed are transported by the transport mechanism to the position of the opening 25a, then the outer door 23 is opened and the product P can be taken out. Become.
- a tray lift 28 that forms a part of the above-described transfer mechanism is disposed.
- the tray T is placed on the upper surface of the tray lift 28.
- the tray lift 28 has a first lift position where the upper surface thereof is at the height of the opening 25a, and a second lift position where the upper surface is slightly lower than the height of the arm of the lower tray support frame 320 described later. It is possible to go up and down between
- FIG. 2 is a cross-sectional view taken along line A-A of FIG.
- the pressing device main body 100 is for hot pressing the product P between the upper heating plate 110 and the lower heating plate 120.
- the upper heating plate 110 is fixed to the bottom surface of a fixed platen 130 fixed to the top of the pressing device body 100.
- the lower heating plate 120 is a lower portion of the pressing device body 100. It is fixed to the upper surface of the movable surface plate 140 fixed to the upper end of the press cylinder 150 provided on the The press cylinder 150 vertically moves the movable platen 140 and the lower heating platen 120 thereon in the vertical direction, and can heat-press the product at a desired pressing pressure.
- the surface temperature of the upper heating platen 110 and the lower heating platen 120 is the molding temperature of the resin portion of the product by the heating mechanism described later (for example, the temperature above the glass transition temperature if the resin is a thermoplastic resin) It is kept in
- a plurality of distance bars 132 and 142 are provided on the lower surface of the fixed surface plate 130 and the upper surface of the movable surface plate 140, respectively (FIG. 1).
- Each of the distance bars 132 and 142 is a rod-shaped member extending in the vertical direction. That is, the distance bar 132 extends vertically downward from the lower surface of the fixed platen 130, and the distance bar 142 extends vertically upward from the upper surface of the movable platen 140. Also, the horizontal positions of the distance bars 132 and 142 are aligned so that the lower surface of the distance bar 132 abuts on the upper surface of the distance bar 142.
- the lengths of the distance bars 132 are equal. That is, the lower surface of each distance bar 132 is aligned on the same horizontal plane. Similarly, the lengths of distance bars 142 are equal. As a result, when the movable surface plate 140 is raised, the lower surfaces of all distance bars 132 simultaneously contact the upper surfaces of the corresponding distance bars 142. When the distance bars 132 and 142 are in contact with each other, as shown in FIG. 3, the distance between the upper heating plate 110 and the lower heating plate 120 is kept constant. In addition, the stiffness of the distance bars 132 and 142 is set sufficiently high, and even after the press of the press cylinder 150 is increased, the upper heat may be generated after the bars 132 and 142 abut each other. The distance between the board 110 and the lower heating board 120 is almost the same. Therefore, by setting the heights of the respective distance bars to dimensions corresponding to the thickness of the product, it is possible to keep the thickness of the molded product P constant regardless of the product.
- the upper cooling plate 210 and the lower cooling plate 220 can be punched out between the upper heating plate 110 and the lower heating plate 120 by a cooling plate moving mechanism described later.
- the temperatures of the upper cooling board 210 and the lower cooling board 220 are kept at normal temperature by the temperature control mechanism described later, and when the product P contains a thermoplastic resin, the press cylinder 150 is driven to The product P is cured by pressing between cooling plates. Therefore, by setting the height of each distance bar to a size corresponding to the thickness of the product, it is possible to keep the thickness of the molded product P constant regardless of the product.
- Thermal insulation materials 211 and 221 are provided on the upper surface of the upper cooling plate 210 and the lower portion of the lower cooling plate 220, respectively.
- This heat insulating material can prevent the transfer of heat from the heating plate to the cooling plate.
- the tray T moves in parallel between the second lift position of the decompression chamber 25 and the press device body 100 by the tray receiving frame drive mechanism (product moving means) which is a part of the above-described transfer mechanism. It is supposed to be.
- the structure of the tray receiving frame driving mechanism will be described below.
- the direction of parallel movement of the tray T is defined as the transport direction.
- the pressure reducing chamber 25 side is defined as “front”, and the pressing device main body 100 side as “rear”.
- the movement of the tray T from the inside of the press body 100 to the decompression chamber 25 is referred to as “advance”, and the movement of the tray T from the decompression chamber 25 to the inside of the press body 100 It is called “backward”.
- the horizontal direction perpendicular to the transport direction is defined as the “width direction”.
- the back side of the paper surface in FIG. 1 is defined as “back side”
- the front side is defined as “front side”.
- the orientation of the figure is defined by placing the figure in such a way that the reference code can be read correctly, and the top, bottom, left, and right as it is.
- FIG. 4 is a cross-sectional view taken along a line B-B in FIG.
- FIG. 5 is a cross-sectional view taken along the line CC in FIG.
- the tray receiving frame drive mechanism of this embodiment has an upper tray receiving frame 310 on which the tray T is placed, and other trays T placed thereon.
- 4 shows the upper tray receiving frame 310 and the upper tray receiving frame drive mechanism 330
- FIG. 5 shows the lower tray receiving frame 320 and the lower tray receiving frame drive mechanism 340. .
- the upper tray receiving frame 310 has the width of the pressing device body 100. It has a pair of arms 311 and 312 provided at both ends of the direction and extending in the forward direction, and a support member 313 extending in the width direction and connecting the backward direction ends of the arms 311 and 312.
- a nut 314 protruding to the back side is formed at the rear end of the arm 311 on the back side (the lower part in FIG. 4).
- the nut 314 is engaged with the ball screw 331 of the upper tray receiving frame drive mechanism 330.
- the ball screw 331 is disposed on the back side of the pressing device body 100 and extends in the transport direction.
- a motor 333 is provided at the rear end of the ball screw 331, and the ball screw 331 can be rotated about its axis by the motor 333.
- a bearing 315 projecting to the front side is formed at the rear end of the arm 312 on the front side (upper part in FIG. 4).
- the bearing 315 is slidably engaged with a guide shaft 332 of the upper tray receiving frame drive mechanism 330.
- the guide shaft 332 is disposed on the front side of the pressing device body 100 and extends in the transport direction.
- the lower tray receiving frame 320 is provided in the width direction at both ends in the width direction of the pressing device body 100 and extends in the width direction with a pair of arms 321 and 322 extending in the forward direction. And a support member 323 for connecting the backward direction end portions of the arms 321 and 322.
- a nut 324 projecting to the front side is formed at the rear end of the arm 322 on the front side (lower side in FIG. 5).
- the nut 324 is engaged with the ball screw 341 of the lower tray receiving frame drive mechanism 340.
- the ball screw 341 is disposed on the front side of the pressing device body 100 and extends in the transport direction.
- a motor 343 is provided at the rear end of the ball screw 341, and the ball screw 341 can be rotated about its axis by the motor 343.
- a bearing 325 projecting to the rear side is formed at the rear end of the rear side arm 321.
- the bearing 325 is slidably engaged with the guide shaft 342 of the lower tray receiving frame drive mechanism 340.
- the guide shaft 342 is disposed at the back of the press device body 100, Extending in the transport direction.
- the engagement of the guide shaft 342 and the bearing 325 prevents the nut 342 from rotating even when the ball screw 341 is rotated. Therefore, when the ball screw 341 is rotated, the nut 324 and the lower tray receiving frame 320 integrated therewith move forward and backward in the transport direction.
- the arms of this frame pass through the opening 24 a (FIG. 1) of the partition 24 and project into the decompression chamber 25.
- the distance between the arms of the upper tray receiving frame 310 and the lower tray receiving frame 320 is larger than the width of the tray lift 28.
- the tray T is transferred to the tray lift 28 from the upper arm of the upper tray receiving frame 310 or the lower tray receiving frame 320, the tray T is placed with the tray lift 28 in the second lift position.
- the upper tray receiving frame 310 or the lower tray receiving frame 320 is advanced, and then the tray lift 28 is raised.
- the tray T and the product P placed thereon are made to float by floating the movable surface plate 140 provided at the lower part of the pressing device main body 100.
- the tray T and the product P are lifted from the arm at the time of pressing.
- FIG. 6 is a top view of the tray T.
- a plurality of protrusions Tp projecting in the width direction are formed on both edges in the width direction of the tray T, and the upper tray receiving frame 310 or the lower tray receiving frame 320 serves as a tray ridge.
- the upper tray receiving frame 310 or the lower tray receiving frame 320 serves as a tray ridge.
- the protrusions Tp are adapted to rest on the arms of the upper tray receiving frame 310 or the lower tray receiving frame 320.
- notches 31In and 312 ⁇ corresponding to the projecting portion Tp are formed (FIG. 4).
- the upper tray receiver tray is adjusted so that the projection Tp coincides with the notches 311 ⁇ and 312 ⁇ .
- the frame 310 By retracting the frame 310, even when the tray T is lifted, the tray T and the arms 311 and 312 of the upper tray receiving frame 310 do not contact, and the product P on the tray T can be pressed. Also, lift up the tray T and product P supported by the upper tray receiving frame 310 by the movable surface plate 140, and then retract the upper tray receiving frame 310 so that the protrusions Tp coincide with the notches 31 In and 312 ⁇ .
- the tray tray and the product tray can be moved to the upper tray receiving frame 310, the lower tray receiving frame 320 by lowering the tray tray and the product tray by the movable platen 140.
- the configuration of the cooling board moving mechanism for moving the upper cooling board 210 and the lower cooling board 220 will be described below.
- the upper cooling board 210 and the lower cooling board 220 are provided adjacent to the rear (right side in FIG. 1) of the pressing device body 100, Evacuate the cooling plate evacuation section 400.
- FIG. 7 is a cross-sectional view taken along the line D-D in FIG.
- FIG. 8 is a cross-sectional view taken along line ⁇ - ⁇ in FIG.
- FIG. 9 is a side view of the cooling board moving mechanism shown in FIGS.
- the upper cooling plate receiving frame 410 and the lower cooling plate 220 on which the upper cooling plate 210 is mounted are placed thereon.
- the lower cooling board receiving frame 420 placed on the upper cooling board receiving frame drive mechanism 430 that drives the upper cooling board receiving frame 410 in the horizontal direction and the lower cooling board that drives the lower cooling board receiving frame 420 in the horizontal direction
- a receiving frame drive mechanism 440 is provided.
- the upper cooling board receiving frame 410 is provided with a pair of arms 411 and 412 provided at both ends in the width direction and extending in the forward direction, and the arms 411 and 412 extending in the width direction. And a support member 413 for connecting the backward direction end portions of the two.
- a nut 414 projecting to the front side is formed in the middle of the arm 412 on the front side (the upper part in FIG. 7).
- the nut 414 is engaged with the ball screw 431 of the upper cooling disk receiving frame drive mechanism 430.
- the ball screw 431 is disposed on the front side and extends in the transport direction.
- a motor 433 is provided in the middle of the ball screw 431. The motor 433 can rotate the ball screw 431 about its axis.
- a bearing 415 projecting to the back side is formed at the rear end of the arm 411 on the back side (lower part in FIG. 7).
- the bearing 415 is a guide shaft of the upper cooling plate receiving frame drive mechanism 430. It is slidably engaged with the gear 432.
- the guide shaft 432 is disposed on the back side of the upper cooling board receiving frame and extends in the transport direction.
- the engagement between the guide shaft 432 and the bearing 415 prevents the nut 414 from sliding together with the ball screw even when the ball screw 431 is rotated. Therefore, when the ball screw 431 is rotated, the nut 414 and the upper cooling board receiving frame 410 integrated therewith advance and retract in the transport direction.
- the lower cooling board receiving frame 420 is provided at both ends in the width direction and a pair of arms 421 and 422 extending in the forward direction, and the arms 421 extend in the width direction. , 422, and a support member 423 for connecting the backward direction end portions.
- a nut 424 protruding to the back side is formed at the middle of the arm 421 on the back side (the upper side in FIG. 8).
- the nut 424 is engaged with the ball screw 441 of the lower cooling board receiving frame driving mechanism 440.
- the ball screw 441 is disposed on the back side of the lower cooling plate receiving frame and extends in the transport direction.
- a motor 443 is provided at the rear end of the ball screw 441, and the ball screw 441 can be rotated about its axis by the motor 443.
- a bearing 425 projecting to the front side is formed at the rear end of the front side arm 422.
- the bearing 425 is slidably engaged with the guide shaft 442 of the lower cooling disk receiving frame drive mechanism 440.
- the guide shaft 442 is disposed on the back side of the lower cooling board receiving frame and extends in the transport direction.
- the engagement between the guide shaft 442 and the bearing 425 prevents the nut 442 from sliding together with the ball screw even when the ball screw 441 is rotated. Therefore, when the ball screw 441 is rotated, the nut 424 and the lower cooling plate receiving frame 420 integrated therewith advance and retract in the transport direction.
- the upper cooling board 210 and the lower cooling board 220 are each provided with a distance bar 212 and And 222 are provided.
- Each of the distance bars 212 is configured to have the same height on its lower surface.
- each of the distance bars 222 is configured such that the heights of the top surfaces thereof are equal.
- the horizontal positions of the distance bars 212 and 222 are set such that the lower surface of the distance bar 212 abuts on the upper surface of the distance bar 222 as the upper cooling board 210 and the lower cooling board 220 approach.
- the stiffness of the destances 212 and 222 is sufficiently high, and even if the pressing force is further applied while the lower surface of the distance bar 212 is in contact with the upper surface of the distance bar 222, the distance bar itself Is almost deformed. Accordingly, when the lower surface of the distance bar 212 abuts on the upper surface of the distance bar 222, the distance between the upper cooling board 210 and the lower cooling board 220 is kept substantially constant.
- FIG. 9 shows a side view of the upper cooling board 210 and the lower cooling board 220.
- the upper cooling board 210 is supported on the arms 411 and 412 of the upper cooling board frame 410 via the arm portion 213 extending in the width direction.
- the lower cooling plate 220 is supported on the arms 421 and 422 of the lower cooling plate receiving frame 420 via an arm portion 223 extending in a crank shape to the outside in the width direction and downward.
- the corner portion 223a in which the extension direction of each arm portion 221 of the lower cooling plate 220 changes in the horizontal outward direction force also in the vertical downward direction is the arm 411 of the upper cooling plate receiving frame 4 10, It is inward in the width direction than 412. Further, the end of the arm portion 223 (that is, the portion directly in contact with the arms 421 and 422) 223b is set at a position sufficiently lower than the arms 411 and 412 of the upper cooling board receiving frame 410. For this reason, even if it is necessary to press while the upper cooling plate 210 is lifted slightly from the upper cooling plate 210, the force arms 411 and 412, and the upper surface of the lower cooling plate 220 is at a higher position than the arms 411 and 412.
- FIG. 10 is a cross-sectional view of the upper heating plate 110 cut in the horizontal direction.
- the structures of the lower heating plate 120, the upper cooling plate 210 and the lower cooling plate 220 are the same as those of the upper heating plate 110.
- the upper heating plate 110 is a substantially rectangular steel plate.
- the first holes llla to h (eight through holes parallel to each other) drilled in the width direction (upper and lower directions in FIG. 10) (from the left side J in FIG.
- blind caps 112 are inserted into both ends of the first holes 111b to 111g, respectively. In the first holes 11 la and 11 lh, blind caps 112 are inserted only at the upper end in FIG. Also, out of the second hole 1 lli, both ends, the first one? Apportionment between Lllla and 111b, first? A blind cap 112 is inserted in each of a portion between Llllc and llld, a portion between first hole 1 lie and 11 If, and a portion between first hole lllg and lllh.
- the blind cap 112 is provided at the left end, the portion between the first holes 11 lb and 111 c, and the portion between the first holes 11 Id and 1 lie among the third holes 11 lj. It is inserted. In addition, a blind cap 112 is inserted into the right end of the fourth hole 11 lk.
- the blind cap 112 By inserting the blind cap 112 into each of the first and second holes llli, the third hole lllj and the fourth hole 111k as described above, the first holes llla to h, the second holes llli and the second holes llli
- the third hole 11 lj and the fourth hole 11 lk meander all over the inside of the upper heating plate 110 with the lower end 1111 of the first hole 11 la and the lower end 11 lm of the first hole 11 lh at both ends 1 It functions as a heat medium conduit for heating a book.
- a heat medium oil heated by a heater is circulated by a pump through the heat medium passage for heating, and the upper heat plate 110 is heated by the heat medium oil.
- a temperature sensor (not shown) is attached to the upper heating plate 110. This temperature sensor is connected to the controller of the pressing device 1 and when the pressing device 1 presses the product P, the controller The heater is controlled so that the temperature of the upper heating plate 110 measured by this temperature sensor becomes the molding temperature of the product P (the temperature above the glass transition temperature if the product P is a thermoplastic resin) Adjust the temperature of the heat transfer oil flowing in the pipeline.
- a fifth hole 116 a is formed in parallel with the first hole 11 If from the upper end of the upper heating plate 110 in FIG. There is.
- the fifth hole 116a intersects with a sixth hole 116b drilled vertically upward from the lower surface of the upper heating plate 110.
- the fifth hole 116 a and the sixth hole 116 b form a pressurizing heat medium passage 116 which is drawn from the side surface (upper end in FIG. 10) of the upper heating plate 110 to the lower surface of the upper heating plate 110.
- FIG. 11 is a cross-sectional view taken along the line F-F of FIG.
- the upper heating plate 110 is a thick plate shaped member whose lower surface peripheral portion is cut, and the lower surface is covered with a heating plate cover 115.
- the heating plate cover 115 has a rectangular ring-shaped frame portion 115a covering the notch portion of the upper heating plate 110 and a metal plate 115b made of stainless steel.
- the lower end of the frame portion 115a is formed as an outwardly projecting flange portion 115c, and the frame portion 115a and the metal plate 115b are integrated by welding the flange portion 115c and the end portion of the metal plate 115b all around without any gap.
- a through hole 113 is bored in the vertical direction in the peripheral portion of the upper heating plate 110.
- the heating plate cover 115 is fixed to the upper heating plate 110 by attaching the bolt 114 to the through hole 113 and fastening it to the heating plate cover 115.
- the frame portion 115a has a plurality of screw holes 115d vertically drilled from the upper surface thereof.
- the upper heating disc 110 is fastened to the heating disc cover 115 by screwing a bolt 114 inserted into the through hole 113 of the upper heating disc 110 into the female screw. Be done.
- a gap portion 115e is formed between the lower surface of the upper heating plate 110 and the metal plate 115b.
- the gap 115e and the pressurizing heat medium passage 116 are filled with the heat medium oil.
- the heat transfer oil filled in the gap portion 15 e and the heat transfer passage 116 for pressure transfers from the upper heating plate 110 to the metal plate 115 b. Since it is a fluid heat carrier oil interposed between the metal plate 115b and the upper heating plate 110, the metal plate 115b is heated quickly. Further, the opening 116c of the pressurizing heat medium passage 116 is connected to a pressure generator.
- the pressure generator is The controller is connected to the controller of the gear unit 1, and the controller can control the pressure generator to fluctuate the pressure of the heat medium oil filled in the gap 115e and the heat medium passage 116 for pressurization.
- a packing 115 f is inserted between the upper surface of the frame portion 115 a and the notch portion of the upper heating plate 110, and the gap between the frame portion 115 f and the upper heating plate 110 causes the heat medium oil to flow out.
- the lower surface of the metal plate 115 b is mirror-finished, and the surface roughness thereof is within several ⁇ . Therefore, if the balance between the press pressure and the pressure of the heat medium oil filled in the gap 115 e and the heat medium passage 116 for pressurization is maintained to keep the metal plate 115 b flat, the lower surface of the metal plate 115 b is Flatness accuracy is kept within 10 zm.
- the lower heating plate 120 is also provided with a heating plate cover having a similar configuration, and is heated and pressurized by a heat transfer medium oil as in the upper heating plate 110. Since the pressure of the heat carrier oil filled in the upper heating plate 110 and the lower heating plate 120 is balanced, the metal plates provided on the upper heating plate 110 and the lower heating plate 120 are flat with high accuracy. While keeping it, we will follow each other.
- the heating plate cover is attached to each of the upper heating plate 110 and the lower heating plate 120.
- the present invention is not limited to the above configuration. Only one of the upper heating plate 110 and the lower heating plate 120 may be covered by the heating plate cover. In that case, the metal plate of the heating plate cover is pressed according to the heating plate not covered by the heating plate cover, and the metal plate maintains the planar state with high accuracy.
- the surface temperature of the metal plate of the cooling board cover attached to the cooling board is controlled by the heat medium oil by the same mechanism, and the heat medium oil is also used.
- the metal plates pressed by the metal plate keep their flat state with high accuracy by copying each other through the product P.
- the temperature of the heat transfer oil is maintained at normal temperature by the cooler which is not the heater.
- the tray T is placed on the arms 321 and 322 of the lower tray receiving frame 320 and the tray T is mounted.
- the heating medium oil circulating in the heating heat medium channel formed inside the upper heating platen 110 and the lower heating platen 120 is heated by the heater, and the upper heating platen 110 and the lower heating platen 120 are Heat the temperature to the molding temperature of product P.
- the heat of the upper heating plate 110 and the lower heating plate 120 is transferred to each of the heating plates by the heating medium oil filled between the upper heating plate 110 and the heating plate cover 115 and the lower heating plate 120 and the heating plate cover provided thereto.
- the heating plate cover is rapidly heated.
- the heat medium oil circulating in the heat medium channel formed inside the upper cooling plate 210 and the lower cooling plate 220 is cooled by the cooler to maintain the temperature of the upper cooling plate 210 and the lower cooling plate 220 at normal temperature. .
- the temperatures of upper heating plate 110, lower heating plate 120, upper cooling plate 210, and lower cooling plate 220 are measured by temperature sensors mounted in each heating plate and each cooling plate. After it has been confirmed that the measured value of the temperature sensor provided on the hot platen has become the molding temperature of the product P and the measured value of the temperature sensor provided on the cooling cabinet has shown normal temperature, molding of the product P starts Be done.
- the outer door 23 is opened. Then, the tray lift 28 is raised to the first lift position, and the product P can be placed on the upper surface thereof.
- the outer door 23 is closed. After it is confirmed that the outer door 23 is closed, the pressure of the decompression chamber 25 is reduced to near vacuum by the vacuum pump.
- the inner door 26 is opened, and the upper tray receiving frame 310 is advanced so as to project from the opening 24 a of the arms 311 and 312 force S partition 24. Then, the tray lift 28 is lowered to the second lift position. By this operation, the tray T is placed on the arms 311, 312.
- the upper tray receiving frame 310 is retracted, and the arms 311 and 312 are disposed between the hot platens 110 and 120 of the press device main body 100.
- the lower tray receiving frame 320 advances, and the arms 321 and 322 on which the tray T is placed protrude from the opening 24a.
- the trailer 28 is raised to the first lift position.
- the tray T placed on the arms 321, 322 moves onto the upper surface of the tray lift 28.
- the lower tray receiving frame 320 is retracted, and the arms 321, 322 are disposed between the heating plates 110, 120 of the press device body 100.
- the inner door 26 is then closed.
- the movable surface plate 140 is raised, and the lower surface of the distance bar 132 on the fixed surface plate 130 side is And the top surface of the distance bar 142 on the movable surface plate 140 side abut. At this time, the distance between the two heating plates is maintained at a uniform distance (0.5 to 1 mm).
- the press cylinder 150 is driven to press the product P at a predetermined press pressure.
- the pressure generator is driven to set the heating medium oil filled between the upper heating plate 110 and the heating plate cover 115 and the heating oil filled between the lower heating plate 120 and the heating plate cover provided thereto. Pressurize with pressure. In order to prevent the press from opening due to the pressure of the heat transfer fluid, the heat transfer fluid filled between the upper heat transfer plate 110 and the heat transfer cover 115 and the heat transfer fluid filled between the lower heat transfer cover 120 and the corresponding heat transfer cover. The pressure of the heat carrier oil is reduced to the same level as or less than the above-mentioned predetermined pressure.
- pressing of product P is continued for a predetermined time, and after a sufficient time for heat and pressure elapses, the controller of pressing device 1 controls the pressure generator to set upper heating plate 110 and heating plate cover 115 The oil pressure of the heat carrier oil filled in between and the heat carrier oil charged between the lower heating platen 120 and the corresponding heating platen cover is reduced.
- the controller controls the press cylinder 150 to reduce the pressure on the product P, and further lowers the movable platen 140 to separate the upper heating platen 110 from the lower heating platen 120. This completes the hot pressing of product P.
- the tray T and the product P are placed on the arms 311 and 312 of the upper tray receiving frame 310 again.
- the valve (not shown) provided in the pressure reducing chamber 25 is opened to return the pressure of the pressure reducing chamber 25 to atmospheric pressure, and then the outer door 23 is opened to form first.
- the product P can be taken out and the product P to be molded next can be placed on the tray T placed on the top of the tray lift 28.
- the inner door 26 is closed, the periphery of the pressing device body 100 is maintained at a pressure close to vacuum.
- the upper cooling board receiving frame 410 and the lower cooling board receiving frame 420 are advanced so that the upper cooling board 210 and the lower cooling board 220 are respectively disposed above and below the heat-pressed product P.
- the movable surface plate 140 is raised, and the lower surface of the distance bar 212 on the upper cooling disk 210 side is brought into contact with the upper surface of the distance bar 222 on the lower cooling disk 220 side. At this time, the distance between the cooling plates is kept uniform (0.5 to 1 mm).
- the press cylinder 150 is driven to press the product P at a predetermined press pressure.
- the pressure generator is driven to transfer the heat carrier oil filled between the upper cooling plate 210 and the corresponding heating plate cover, and the thermal medium charged between the lower cooling plate 220 and the corresponding cooling plate cover.
- the medium oil is pressurized at a predetermined pressure.
- the heat carrier oil and lower cooler 220 filled between the upper cooling plate 210 and the corresponding cooling plate cover and the corresponding cooling The pressure of the heat carrier oil filled between the disc covers is reduced to the same level as or less than the above-mentioned predetermined pressing pressure.
- the controller of press device 1 controls the pressure generator to cope with upper cooling plate 210 and the like.
- the pressure of the heat transfer medium oil filled between the heating plate cover and the lower cooling plate 220 and the heating plate cover corresponding thereto is reduced.
- the controller controls the press cylinder 150 to reduce the pressure on the product P.
- the upper eyelid receiving frame 310 is slightly retracted so that the protrusion T of the tray T and the notches 311 ⁇ and 312 ⁇ S of the arms 311 and 312 are met.
- the movable platen 140 is lowered to separate the upper cooling plate 210 from the lower cooling plate 220. This completes the cold pressing of the product ⁇ .
- the tray and the product pass through the arms 311 and 312 of the upper tray receiving frame 310 and are mounted on the arms 321 and 322 of the lower tray receiving frame 320.
- the outer door 23 is closed, and the pressure in the decompression chamber 25 is reduced to near vacuum by a vacuum pump.
- the tray on which the product basket before molding is placed is placed.
- the inner door 26 is opened, and the upper tray receiving frame 310 is advanced so as to project from the opening 24 a of the arms 311 and 312 force S partition 24. Then, the tray lift 28 is lowered to the second lift position. By this operation, the tray T is placed on the arms 311, 312.
- the upper tray receiving frame 310 is retracted, and the arms 311 and 312 are disposed between the hot platens 110 and 120 of the press device body 100.
- the lower tray receiving frame 320 advances, and the arms 321 and 322 on which the tray T and the formed product P are placed protrude from the opening 24a.
- the tray lift 28 is raised to the first lift position.
- the tray T and the molded product P placed on the arms 321 and 322 move onto the upper surface of the tray lift 28.
- the lower tray receiving frame 320 is retracted, and the arms 321, 322 are disposed between the heating plates 110, 120 of the pressing device body 100.
- the inner door 26 is then closed. Thereafter, the hot press and cold press are performed according to the above-mentioned procedure, and the outer door 23 is opened to take out the product P, and the product P to be formed next is placed on the tray T on the tray lift 28. It becomes possible.
- heating is carried out as shown in FIGS.
- a heat transfer medium channel for cooling and a heat transfer medium passage for pressurization are formed in an integral type heating plate Z cooling plate formed therein, and a wedge-shaped cover is fixed to the heating plate Z cooling plate via packing.
- the present invention is not limited to the above configuration, and various modifications are possible.
- the second embodiment of the present invention shown below is an example of such a modification.
- the basic configuration of the pressing unit of the pressing apparatus of the present embodiment is shown in FIGS.
- the upper heating plate 110 has a structure that can be separated into the heating plate 1101 and the jacket jig 1102.
- the lower heating plate 120 has a structure that can be separated into a heating plate and a jacket jig.
- the cooling disks 210 and 220 also have the same configuration.
- the heat generating plate 1101 is a plate-like member in which a heating heat medium conduit similar to that of the first embodiment is formed.
- the jacket jig 1102 is a plate-like member fixed to the heat generating plate 1101 so that one surface is in contact with the surface on the product P side of the heat generating plate 1101 and the other surface faces the heat board cover 115.
- a pressurizing heat medium passage is formed in the jacket jig 1102.
- the heating plate cover 115 is made of only the metal plate 115b, and the frame portion 115a (see FIG. 10) is not used.
- the other points are the same as those of the first embodiment of the present invention, and thus the description thereof is omitted.
- FIG. 12 is a horizontal sectional view of the heat generating plate 1101. As shown in FIG. The same applies to the heating plate on the lower heating plate 120 side and the structure of each cooling plate.
- the heat generating plate 1101 of the present embodiment is the one shown in FIG. 11 only in that the heat medium passage for pressurizing is not formed. It differs from the upper heating plate 110 of the first embodiment of Ming.
- FIG. 13 shows the lower surface of the jacket jig 1102.
- the structure of the jacket jig on the lower heating plate 120 side is the same.
- a lattice-like groove 1 102 a is formed on the entire surface of the lower surface of the jacket jig 1102.
- vertical holes 1111 are drilled and traced vertically from the four corners of the lower surface of the jacket jig 1102. Further, the jacket of the vertical hole 1111 and the lower surface of the jig 1102 are connected to the groove 1102a.
- a first horizontal hole 1112 is drilled in the horizontal direction so as to connect the upper ends of the four vertical holes 1111 respectively.
- a second horizontal hole 1113 that is branched in the horizontal direction from one middle of the first horizontal hole 1112 toward the side surface of the jacket jig 1102 is drilled.
- the vertical hole 1111, the first horizontal hole 1122, and the second horizontal hole 1113 form a pressurizing heat medium passage 1110 which passes from the side surface of the jacket jig 1102 to the lower surface of the jacket jig 1102.
- the jacket jig 1102 side surface side outlet 11 13a of the second horizontal hole 1113 is connected to a pressure generator, and the controller of the press device 1 controls this pressure generator to pass through the heat medium passage 1110 for pressurization.
- the pressure of the filled heat carrier oil can be varied.
- the peripheral portion C of the lower surface of the jacket jig 1102 is welded all around with the metal plate 115b to prevent the heat medium oil from flowing out from the joint between the jacket jig 1102 and the metal plate 115b.
- the heat medium passage 1110 for pressurization is formed in the jacket jig 1102 in this embodiment, and the heating platen and the heating platen cover are formed as in the configuration of the first embodiment. There is no need to provide packing between the two for oil sealing. Therefore, the location for oil sealing is limited to the jacket jig 1102 side surface side outlet 1113 a of the second horizontal hole 1113. Therefore, according to the individuality of the present embodiment, the risk of oil leakage can be suppressed.
- FIG. 13 A GG cross section of FIG. 13 is shown in FIG. The same applies to the structure of the jacket jig on the lower heating plate 120 side.
- Through holes 113 are vertically bored in the peripheral portion of the heat generating plate 1101.
- a bolt (not shown) is attached to the through hole, and the jacket jig 1102 is fixed to the heat generating plate 1101 by fastening it to a screw hole (not shown) drilled in the jacket jig 1102 from above vertically. Therefore, according to the present embodiment, the heat generating plate 11 is removed by removing the bolt. It is possible to easily separate 01 and the jacket jig 1102. Further, since no pipe line is formed between the heat generating plate 1 101 and the jacket jig 1102, it is not necessary to perform oil sealing between the heat generating plate 1 101 and the jacket jig 1102. Therefore, even if the metal plate 115b is broken, oil sealing is considered between the heat generating plate 1101 and the jacket jig 1102 at the time of replacement only by replacing the screw-on jacket jig 1102. Necessary ,.
- the flat portion 1102b portion where the groove is not cut
- the heat carrier oil preferentially passes through the groove 1102a from the lower surface side outlet 1111a of the vertical hole 1111 and the jacket jig quickly. It spreads over the entire lower surface of the 1102.
- the heat carrier oil is also filled between the flat portion 1102b of the lower surface of the jacket jig 1102 and the metal plate 115b, and the metal plate 115b is pressurized downward.
- the mechanism for maintaining the flatness of the heating plate / cooling plate by the combination of the metal plate and the heating medium oil is the upper heating plate 110, the lower heating plate 120. , The upper cooling board 210 and the lower cooling board 220 respectively.
- the present invention may be configured such that the above mechanism is provided only to the upper heating plate / cooling plate or only to the lower heating plate / cooling plate which is not limited to the above configuration.
- the serpentine heating Z cooling heat medium conduit comprising eight parallel through holes and another through hole connecting the through holes with each other is used as a heating plate or a heating plate. It is formed in the cooling plate and configured to adjust the temperature of the heating plate / cooling plate.
- the present invention is not limited to the above-described configuration, but it is also possible to form a heat medium conduit of another shape such that the heat medium can circulate all over the inside of the heating disc / cooling disc. good.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007510344A JP4885124B2 (ja) | 2005-03-25 | 2006-03-03 | プレス装置 |
CN2006800097693A CN101146671B (zh) | 2005-03-25 | 2006-03-03 | 冲压装置 |
US11/903,977 US7802597B2 (en) | 2005-03-25 | 2007-09-25 | Press apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005090033 | 2005-03-25 | ||
JP2005-090033 | 2005-03-25 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/903,977 Continuation-In-Part US7802597B2 (en) | 2005-03-25 | 2007-09-25 | Press apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006103868A1 true WO2006103868A1 (ja) | 2006-10-05 |
Family
ID=37053136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/304066 WO2006103868A1 (ja) | 2005-03-25 | 2006-03-03 | プレス装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7802597B2 (ja) |
JP (1) | JP4885124B2 (ja) |
CN (1) | CN101146671B (ja) |
TW (1) | TWI359070B (ja) |
WO (1) | WO2006103868A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112776106A (zh) * | 2020-12-11 | 2021-05-11 | 宣城宏宇竹业有限公司 | 一种生物质交通护栏用竹纤维板材的热压成型装置 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102137752A (zh) * | 2008-08-29 | 2011-07-27 | 北川精机株式会社 | 冲压装置 |
JP5192947B2 (ja) * | 2008-09-04 | 2013-05-08 | 北川精機株式会社 | 真空プレス装置 |
KR101033476B1 (ko) * | 2009-01-08 | 2011-05-09 | 주식회사 대한항공 | 프리프레그 절곡 성형장치 및 그 성형방법 |
CN101966762A (zh) * | 2010-06-18 | 2011-02-09 | 东莞市飞新达精密机械科技有限公司 | 一种热压机模板冷却方法及装置 |
JP5550482B2 (ja) * | 2010-07-29 | 2014-07-16 | 北川精機株式会社 | プレス装置システム |
CN102785383A (zh) * | 2012-08-30 | 2012-11-21 | 允昌科技(苏州)有限公司 | 冲压机械 |
TW201622967A (zh) * | 2014-12-26 | 2016-07-01 | Simple Tek Corp | 連續式熱固型與熱塑型複合材料彈性體之製法(二) |
CN107187083B (zh) * | 2017-06-16 | 2024-04-12 | 江苏腾灵环保科技有限公司 | 塑料板材在线全自动深压纹设备机组 |
CN107718583B (zh) * | 2017-11-27 | 2023-12-15 | 飞迅世通科技(苏州)有限公司 | 按键压合模芯治具 |
CN108312608B (zh) * | 2018-04-11 | 2023-11-14 | 捷通磨擦材料(昆山)有限公司 | 一种全自动离合器面片热压机 |
TWM606927U (zh) * | 2020-10-14 | 2021-01-21 | 統一超商股份有限公司 | 三明治熱壓機 |
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- 2006-03-03 WO PCT/JP2006/304066 patent/WO2006103868A1/ja active Application Filing
- 2006-03-03 JP JP2007510344A patent/JP4885124B2/ja not_active Expired - Fee Related
- 2006-03-07 TW TW095107518A patent/TWI359070B/zh not_active IP Right Cessation
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CN112776106B (zh) * | 2020-12-11 | 2022-09-27 | 宣城宏宇竹业有限公司 | 一种生物质交通护栏用竹纤维板材的热压成型装置 |
Also Published As
Publication number | Publication date |
---|---|
US20080083503A1 (en) | 2008-04-10 |
CN101146671B (zh) | 2010-12-15 |
US7802597B2 (en) | 2010-09-28 |
JPWO2006103868A1 (ja) | 2008-09-04 |
CN101146671A (zh) | 2008-03-19 |
TW200637708A (en) | 2006-11-01 |
JP4885124B2 (ja) | 2012-02-29 |
TWI359070B (en) | 2012-03-01 |
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