US20100083725A1 - Process for manufacturing ring-shaped member - Google Patents
Process for manufacturing ring-shaped member Download PDFInfo
- Publication number
- US20100083725A1 US20100083725A1 US12/450,070 US45007007A US2010083725A1 US 20100083725 A1 US20100083725 A1 US 20100083725A1 US 45007007 A US45007007 A US 45007007A US 2010083725 A1 US2010083725 A1 US 2010083725A1
- Authority
- US
- United States
- Prior art keywords
- ring
- shaped member
- pipe member
- flange portion
- shaped
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
Definitions
- the present invention relates to a method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member.
- a ring-shaped member 10 such as shown in FIG. 2 is produced by a method in which, from a stock material 20 shown in FIGS. 3( a ), ( b ) and having a predetermined thickness, a plurality of ring-shaped members 10 are punched out in a single or plural rows by a pressing apparatus.
- the yield which is a ratio of the weight of the ring-shaped members 10 to that of the stock material 20 is poor, and hence the cost of the ring-shaped member 10 is increased.
- the reason is that the ratio of a skeleton S 1 and a slug S 2 to the ring-shaped member 10 is high in the material utilization.
- skeleton means a frame-like scrap which remains as a result of punching of the plurality of ring-shaped members 10 .
- the term “slug” means a plurality of scraps which are removed by a punch in the process of punching out the plurality of ring-shaped members 10 .
- the method of shaping a ring-shaped member is configured by steps of: longitudinally forming a slit 22 in the middle of a rectangular steel plate 21 ; pressingly expanding the slit 22 to obtain a polygonal member 23 ; and shaping angled portions 23 a and side portions 23 b of the polygonal member 23 into an arcuate shape which is circumferentially smooth, to obtain a ring-shaped member 10 .
- the shaping is performed by pressingly expanding the slit 22 of the rectangular steel plate 21 . Therefore, the skeleton S 1 and the slug S 2 such as shown in FIG. 3 are not produced, a material loss can be reduced, and the process cost of the ring-shaped member 10 can be lowered.
- Patent Literature 1 Japanese Patent Application Laying-Open No. 2004-188548
- a step of cutting the steel plate member into a rectangular shape to obtain the rectangular steel plate 21 is necessary, and then many further steps such as steps of: forming the slit 22 in the middle of the rectangular steel plate 21 by gas, plasma, or laser; pressingly expanding the slit 22 by an apparatus consisting of male and female dies and a shaping die to obtain the polygonal member 23 ; and, by the shaping die, shaping the angled portions 23 a and side portions 23 b of the polygonal member 23 into an arcuate shape which is circumferentially smooth are required.
- the steps are complicated.
- the invention has been conducted in order to solve the problems. It is an object of the invention to provide a method of producing a ring-shaped member in which a material loss is eliminated, the process cost can be reduced, and ring-shaped members can be easily continuously obtained from a pipe member by a small number of steps.
- the invention according to claim 1 provides a method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member, wherein the method includes steps of: inwardly projectingly shaping a flange portion on an end portion of the pipe member; and cutting off the flange portion from the pipe member, thereby obtaining a ring-shaped member.
- the flange portion is inwardly projectingly shaped on an end portion of the pipe member, and the flange portion is cut off from the pipe member to obtain the ring-shaped member. Therefore, the skeleton S 1 and the slug S 2 such as shown in FIG. 3 are not produced, a material loss can be eliminated, and the process cost of the ring-shaped member can be lowered.
- ring-shaped members can be easily continuously obtained from the pipe member by the small number of steps, or namely, the step of inwardly projectingly shaping a flange portion on an end portion of the pipe member, and that of cutting off the flange portion from the pipe member.
- the invention according to claim 2 provides a method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member, wherein the method includes steps of: inwardly bending a whole circumference of an end portion of the pipe member to shape a tapered truncated conical tubular portion; further inwardly bending the truncated conical tubular portion to shape a flange portion which is inwardly projected; and cutting off the flange portion from the pipe member, thereby obtaining a ring-shaped member.
- the skeleton S 1 and the slug S 2 such as shown in FIG. 3 are not produced, a material loss can be reduced, the process cost of the ring-shaped member can be lowered, and ring-shaped members can be easily continuously obtained from the pipe member.
- the truncated conical tubular portion is shaped before the shaping of the inward flange portion on an end portion of the pipe member. Even when the pipe member is thick, therefore, the flange portion can be shaped in a thickness which is uniform as far as possible, while avoiding local thinning, as compared with the case where a perpendicular flange is directly shaped on an end portion of a pipe member.
- the invention has advantages that ring-shaped members can be easily continuously obtained from a pipe member while eliminating a material loss, and by the small number of steps, and that the process cost of a ring-shaped member can be lowered.
- FIG. 1 is a step section view of a method of producing a ring-shaped member showing an embodiment of the invention.
- FIG. 2 is a plan view showing an example of a ring-shaped member.
- FIG. 3 is a plan view showing a conventional step of punching out blanks from a stock material, (a) shows single-row punching, and (b) shows parallel punching.
- FIG. 4 is a step diagram of a method of producing a ring-shaped member disclosed in Patent Literature 1.
- FIG. 1 is a step section view of a method of producing a ring-shaped member showing an embodiment of the invention.
- a pipe member 1 having a circular section made of a metal such as soft steel, copper, aluminum, iron, or stainless steel is set in a press processing apparatus 2 .
- the press processing apparatus 2 includes: a punch 3 which is to be passed through the pipe member 1 ; a punch outer 4 ; a first die 5 ; and a first center pin 6 .
- the first die 5 has a die hole 7 which is opposed to the tip end of the punch 3 , and which has a dish-like section shape that is outward expanded.
- a tip end portion 6 a of the first center pin 6 having an outer diameter which is smaller than the inner diameter of the pipe member 1 is protruded into the die hole 7 .
- the pipe member 1 is set so that its end portion 1 a is protruded by a predetermined distance from a tip end portion of the punch 3 .
- the punch 3 and the first die 5 are relatively moved so as to approach each other, and the end portion 1 a of the pipe member 1 is caused to enter between the tapered inner circumference of the die hole 7 having a dish-like section shape, and the outer circumference of a protruded tip end portion 6 a of the center pin 6 , whereby the whole circumference of the end portion 1 a of the pipe member 1 is inwardly bent to shape a tapered truncated conical tubular portion 1 b (namely, a truncated conical tubular portion shaping step).
- a processing position which includes: a second die 8 ; a first ejector 9 that is passed through a die hole 8 a of the die 8 , and that has a substantially same diameter as the inner diameter (the outer diameter of the punch 3 ) of the pipe member 1 ; and a second center pin 11 that is passed through a center hole 9 a of the ejector 9 , and that has a substantially same diameter as the inner diameter of a ring-shaped member 10 (see FIG.
- a tip end portion 11 a of the second center pin 11 is protruded from the tip end of the first ejector 9 , the second die 8 , the first ejector 9 , and the second center pin 11 and the punch 3 are relatively moved so as to approach each other, and the tip end of the first ejector 9 is pressed against the truncated conical tubular portion 1 b , whereby the truncated conical tubular portion 1 b is bent until it is substantially perpendicular to the axis of the pipe member 1 to shape a flange portion is which is inwardly projected (namely, a flange portion shaping step).
- a processing position which includes: a third die 12 ; and a second ejector 13 that is passed through a die hole 12 a of the die, and that has a substantially same diameter as the inner diameter (the outer diameter of the punch 3 ) of the pipe member 1 , the third die 12 , and the second ejector 13 and the punch 3 are relatively moved so as to approach each other, so that the flange portion 1 c is pressed against the tip end of the punch 3 by the second ejector 13 .
- the third die 12 is relatively moved so as to further approach the punch 3 , so that a shearing force acts between the die 12 and the punch 3 , and the punch 3 and the edge of the die 12 bites in a base portion of the flange portion 1 c to shear it, whereby the flange portion is cut off from the pipe member 1 , and the ring-shaped member 10 (see FIG. 2 ) can be obtained (namely, a flange portion cutting off step).
- ring-shaped members 10 can be continuously produced from one pipe member 1 by the pressing process. Furthermore, the ring-shaped member 10 can be easily obtained from the pipe member 1 by the small number of steps, or namely, the step of projectingly shaping the flange portion 1 c on the end portion of the pipe member 1 , and that of cutting off the flange portion 1 c from the pipe member 1 . Therefore, the process cost of the ring-shaped member 10 can be lowered.
- the truncated conical tubular portion shaping step ( FIG. 1( b )) is performed to shape the truncated conical tubular portion 1 b , before the shaping of the flange portion 1 c on the end portion of the pipe member 1 .
- the truncated conical tubular portion shaping step is not always necessary.
- the flange portion is may be inwardly projectingly shaped on the end portion of the pipe member 1 .
- the flange portion 1 c may be shaped by another flange processing apparatus.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Wire Processing (AREA)
- Forging (AREA)
Abstract
A method of producing a ring-shaped member is provided in which a material loss is eliminated, the process cost can be reduced, and a ring-shaped member can be easily obtained from a pipe member by a small number of steps. The method includes steps of: inwardly projectingly shaping a flange portion 1 c on an end portion of a metal-made pipe member 1; and cutting off the flange portion 1 c from the pipe member 1, thereby obtaining a ring-shaped member 10.
Description
- The present invention relates to a method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member.
- Conventionally, for example, a ring-
shaped member 10 such as shown inFIG. 2 is produced by a method in which, from astock material 20 shown inFIGS. 3( a), (b) and having a predetermined thickness, a plurality of ring-shaped members 10 are punched out in a single or plural rows by a pressing apparatus. - In the conventional production method, however, the yield which is a ratio of the weight of the ring-
shaped members 10 to that of thestock material 20 is poor, and hence the cost of the ring-shaped member 10 is increased. The reason is that the ratio of a skeleton S1 and a slug S2 to the ring-shaped member 10 is high in the material utilization. The term “skeleton” means a frame-like scrap which remains as a result of punching of the plurality of ring-shaped members 10. The term “slug” means a plurality of scraps which are removed by a punch in the process of punching out the plurality of ring-shaped members 10. - Therefore, a method of producing a ring-shaped member shown in
FIG. 4 has been proposed (for example, see Patent Literature 1). The method of shaping a ring-shaped member is configured by steps of: longitudinally forming aslit 22 in the middle of arectangular steel plate 21; pressingly expanding theslit 22 to obtain apolygonal member 23; and shapingangled portions 23 a andside portions 23 b of thepolygonal member 23 into an arcuate shape which is circumferentially smooth, to obtain a ring-shaped member 10. - According to the method of producing a ring-shaped member, the shaping is performed by pressingly expanding the
slit 22 of therectangular steel plate 21. Therefore, the skeleton S1 and the slug S2 such as shown inFIG. 3 are not produced, a material loss can be reduced, and the process cost of the ring-shaped member 10 can be lowered. - In the method of producing a ring-shaped member disclosed in
Patent Literature 1, in order to obtain a ring-shaped member from a steel plate member serving as a stock material, however, a step of cutting the steel plate member into a rectangular shape to obtain therectangular steel plate 21 is necessary, and then many further steps such as steps of: forming theslit 22 in the middle of therectangular steel plate 21 by gas, plasma, or laser; pressingly expanding theslit 22 by an apparatus consisting of male and female dies and a shaping die to obtain thepolygonal member 23; and, by the shaping die, shaping theangled portions 23 a andside portions 23 b of thepolygonal member 23 into an arcuate shape which is circumferentially smooth are required. The steps are complicated. - The invention has been conducted in order to solve the problems. It is an object of the invention to provide a method of producing a ring-shaped member in which a material loss is eliminated, the process cost can be reduced, and ring-shaped members can be easily continuously obtained from a pipe member by a small number of steps.
- The invention according to
claim 1 provides a method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member, wherein the method includes steps of: inwardly projectingly shaping a flange portion on an end portion of the pipe member; and cutting off the flange portion from the pipe member, thereby obtaining a ring-shaped member. - According to the configuration, the flange portion is inwardly projectingly shaped on an end portion of the pipe member, and the flange portion is cut off from the pipe member to obtain the ring-shaped member. Therefore, the skeleton S1 and the slug S2 such as shown in
FIG. 3 are not produced, a material loss can be eliminated, and the process cost of the ring-shaped member can be lowered. - Furthermore, ring-shaped members can be easily continuously obtained from the pipe member by the small number of steps, or namely, the step of inwardly projectingly shaping a flange portion on an end portion of the pipe member, and that of cutting off the flange portion from the pipe member.
- The invention according to
claim 2 provides a method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member, wherein the method includes steps of: inwardly bending a whole circumference of an end portion of the pipe member to shape a tapered truncated conical tubular portion; further inwardly bending the truncated conical tubular portion to shape a flange portion which is inwardly projected; and cutting off the flange portion from the pipe member, thereby obtaining a ring-shaped member. - According to the configuration, in a similar manner as the invention set forth in
claim 1, the skeleton S1 and the slug S2 such as shown inFIG. 3 are not produced, a material loss can be reduced, the process cost of the ring-shaped member can be lowered, and ring-shaped members can be easily continuously obtained from the pipe member. Moreover, the truncated conical tubular portion is shaped before the shaping of the inward flange portion on an end portion of the pipe member. Even when the pipe member is thick, therefore, the flange portion can be shaped in a thickness which is uniform as far as possible, while avoiding local thinning, as compared with the case where a perpendicular flange is directly shaped on an end portion of a pipe member. - The invention has advantages that ring-shaped members can be easily continuously obtained from a pipe member while eliminating a material loss, and by the small number of steps, and that the process cost of a ring-shaped member can be lowered.
-
FIG. 1 is a step section view of a method of producing a ring-shaped member showing an embodiment of the invention. -
FIG. 2 is a plan view showing an example of a ring-shaped member. -
FIG. 3 is a plan view showing a conventional step of punching out blanks from a stock material, (a) shows single-row punching, and (b) shows parallel punching. -
FIG. 4 is a step diagram of a method of producing a ring-shaped member disclosed inPatent Literature 1. -
- 1 pipe member
- 1 a end portion
- 1 b truncated conical tubular portion
- 1 c flange portion
- 10 ring-shaped member
- Hereinafter, a preferred embodiment of the method of producing a ring-shaped member related to the invention will be described with reference to the drawings.
-
FIG. 1 is a step section view of a method of producing a ring-shaped member showing an embodiment of the invention. - As shown in
FIG. 1( a), first, apipe member 1 having a circular section made of a metal such as soft steel, copper, aluminum, iron, or stainless steel is set in apress processing apparatus 2. Thepress processing apparatus 2 includes: apunch 3 which is to be passed through thepipe member 1; a punch outer 4; afirst die 5; and afirst center pin 6. Thefirst die 5 has adie hole 7 which is opposed to the tip end of thepunch 3, and which has a dish-like section shape that is outward expanded. Atip end portion 6 a of thefirst center pin 6 having an outer diameter which is smaller than the inner diameter of thepipe member 1 is protruded into thedie hole 7. - The
pipe member 1 is set so that itsend portion 1 a is protruded by a predetermined distance from a tip end portion of thepunch 3. - As shown in (b) of the figure, next, the
punch 3 and thefirst die 5 are relatively moved so as to approach each other, and theend portion 1 a of thepipe member 1 is caused to enter between the tapered inner circumference of thedie hole 7 having a dish-like section shape, and the outer circumference of a protrudedtip end portion 6 a of thecenter pin 6, whereby the whole circumference of theend portion 1 a of thepipe member 1 is inwardly bent to shape a tapered truncated conicaltubular portion 1 b (namely, a truncated conical tubular portion shaping step). - As shown in (c) of the figure, then, at a processing position which includes: a
second die 8; afirst ejector 9 that is passed through adie hole 8 a of thedie 8, and that has a substantially same diameter as the inner diameter (the outer diameter of the punch 3) of thepipe member 1; and asecond center pin 11 that is passed through a center hole 9 a of theejector 9, and that has a substantially same diameter as the inner diameter of a ring-shaped member 10 (seeFIG. 2 ), and in which a tip end portion 11 a of thesecond center pin 11 is protruded from the tip end of thefirst ejector 9, thesecond die 8, thefirst ejector 9, and thesecond center pin 11 and thepunch 3 are relatively moved so as to approach each other, and the tip end of thefirst ejector 9 is pressed against the truncated conicaltubular portion 1 b, whereby the truncated conicaltubular portion 1 b is bent until it is substantially perpendicular to the axis of thepipe member 1 to shape a flange portion is which is inwardly projected (namely, a flange portion shaping step). - As shown in (d) of the figure, finally, at a processing position which includes: a
third die 12; and asecond ejector 13 that is passed through adie hole 12 a of the die, and that has a substantially same diameter as the inner diameter (the outer diameter of the punch 3) of thepipe member 1, thethird die 12, and thesecond ejector 13 and thepunch 3 are relatively moved so as to approach each other, so that theflange portion 1 c is pressed against the tip end of thepunch 3 by thesecond ejector 13. Thethird die 12 is relatively moved so as to further approach thepunch 3, so that a shearing force acts between thedie 12 and thepunch 3, and thepunch 3 and the edge of thedie 12 bites in a base portion of theflange portion 1 c to shear it, whereby the flange portion is cut off from thepipe member 1, and the ring-shaped member 10 (seeFIG. 2 ) can be obtained (namely, a flange portion cutting off step). - When the truncated conical tubular portion shaping step (
FIG. 1( b)), the flange portion shaping step (FIG. 1( c)), and the flange portion cutting off step (FIG. 1( d)) are sequentially repeated, it is possible to continuously produce ring-shaped members 10. - According to the production method of the embodiment, without producing the skeleton S1 and the slug S2 such as shown in
FIG. 3 , and without forming a material loss, many ring-shaped members 10 can be continuously produced from onepipe member 1 by the pressing process. Furthermore, the ring-shaped member 10 can be easily obtained from thepipe member 1 by the small number of steps, or namely, the step of projectingly shaping theflange portion 1 c on the end portion of thepipe member 1, and that of cutting off theflange portion 1 c from thepipe member 1. Therefore, the process cost of the ring-shaped member 10 can be lowered. - In the embodiment, the truncated conical tubular portion shaping step (
FIG. 1( b)) is performed to shape the truncated conicaltubular portion 1 b, before the shaping of theflange portion 1 c on the end portion of thepipe member 1. However, the truncated conical tubular portion shaping step is not always necessary. Without performing the truncated conical tubular portion shaping step, the flange portion is may be inwardly projectingly shaped on the end portion of thepipe member 1. - In the process of inwardly projectingly shaping the flange portion is on the end portion of the
pipe member 1, it is not restricted to employ thepress processing apparatus 2 as in the embodiment. Theflange portion 1 c may be shaped by another flange processing apparatus.
Claims (2)
1. A method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member, wherein said method includes steps of: inwardly projectingly shaping a flange portion on an end portion of said pipe member; and cutting off said flange portion from said pipe member, thereby obtaining a ring-shaped member.
2. A method of producing a ring-shaped member in which a ring-shaped member is obtained from a metal-made pipe member, wherein said method includes steps of: inwardly bending a whole circumference of an end portion of said pipe member to shape a tapered truncated conical tubular portion; further inwardly bending said truncated conical tubular portion to shape a flange portion which is inwardly projected; and cutting off said flange portion from said pipe member, thereby obtaining a ring-shaped member.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2007/000203 WO2008111121A1 (en) | 2007-03-12 | 2007-03-12 | Process for manufacturing ring-shaped member |
Publications (1)
Publication Number | Publication Date |
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US20100083725A1 true US20100083725A1 (en) | 2010-04-08 |
Family
ID=39759072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/450,070 Abandoned US20100083725A1 (en) | 2007-03-12 | 2007-03-12 | Process for manufacturing ring-shaped member |
Country Status (3)
Country | Link |
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US (1) | US20100083725A1 (en) |
JP (1) | JP5097769B2 (en) |
WO (1) | WO2008111121A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104226764A (en) * | 2014-09-29 | 2014-12-24 | 江阴德玛斯特钻具有限公司 | Drill pipe protective sleeve internal flanging pressing device |
JP2016129951A (en) * | 2015-01-13 | 2016-07-21 | 岐阜プラスチック工業株式会社 | Laminated structure and method for treating terminal of laminated structure |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015085384A (en) * | 2013-10-31 | 2015-05-07 | 太陽工業株式会社 | Hollow disk-like metal component production method |
CN108188232A (en) * | 2018-01-09 | 2018-06-22 | 伟业精密科技(惠州)有限公司 | Air-cushion inflator drawing closing in moulding process |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2308953A (en) * | 1939-09-13 | 1943-01-19 | Firestone Tire & Rubber Co | Apparatus for punching and working metal |
US2312749A (en) * | 1940-08-03 | 1943-03-02 | Giles E Bullock | Method of making thin sheet metal shells |
US2625896A (en) * | 1948-03-15 | 1953-01-20 | Immenroth Otto | Rotary progressive die for presses |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240319B2 (en) * | 1972-12-26 | 1977-10-11 | ||
JPS5668536A (en) * | 1979-11-09 | 1981-06-09 | Fujine Kohan:Kk | Production of flanged ring |
JPH072255B2 (en) * | 1988-03-30 | 1995-01-18 | 生野金属株式会社 | Can forming method |
JP3071559B2 (en) * | 1992-05-12 | 2000-07-31 | 本田技研工業株式会社 | Method of manufacturing friction plate in multi-plate friction clutch |
-
2007
- 2007-03-12 JP JP2009503753A patent/JP5097769B2/en not_active Expired - Fee Related
- 2007-03-12 WO PCT/JP2007/000203 patent/WO2008111121A1/en active Application Filing
- 2007-03-12 US US12/450,070 patent/US20100083725A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2308953A (en) * | 1939-09-13 | 1943-01-19 | Firestone Tire & Rubber Co | Apparatus for punching and working metal |
US2312749A (en) * | 1940-08-03 | 1943-03-02 | Giles E Bullock | Method of making thin sheet metal shells |
US2625896A (en) * | 1948-03-15 | 1953-01-20 | Immenroth Otto | Rotary progressive die for presses |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104226764A (en) * | 2014-09-29 | 2014-12-24 | 江阴德玛斯特钻具有限公司 | Drill pipe protective sleeve internal flanging pressing device |
JP2016129951A (en) * | 2015-01-13 | 2016-07-21 | 岐阜プラスチック工業株式会社 | Laminated structure and method for treating terminal of laminated structure |
Also Published As
Publication number | Publication date |
---|---|
JPWO2008111121A1 (en) | 2010-06-24 |
WO2008111121A1 (en) | 2008-09-18 |
JP5097769B2 (en) | 2012-12-12 |
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