JP2662383B2 - Container cap manufacturing equipment - Google Patents
Container cap manufacturing equipmentInfo
- Publication number
- JP2662383B2 JP2662383B2 JP28585295A JP28585295A JP2662383B2 JP 2662383 B2 JP2662383 B2 JP 2662383B2 JP 28585295 A JP28585295 A JP 28585295A JP 28585295 A JP28585295 A JP 28585295A JP 2662383 B2 JP2662383 B2 JP 2662383B2
- Authority
- JP
- Japan
- Prior art keywords
- forming
- die
- flange
- round die
- round
- 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.)
- Expired - Lifetime
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- Forging (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明はドラム缶等の容器
の口金の製造装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a die for a container such as a drum.
【０００２】[0002]
【従来の技術】従来、図４に示すようなドラム缶等の容
器の口金１０は以下のように製造されている。2. Description of the Related Art Conventionally, a base 10 for a container such as a drum can as shown in FIG. 4 is manufactured as follows.
【０００３】予め、平板な材料（ブランク）から、図５
に示すような開口縁が半径方向外方に突出した底付きの
円筒５１を円形絞り加工によって成形する。[0003] First, from a flat material (blank), FIG.
The bottomed cylinder 51 whose opening edge protrudes outward in the radial direction as shown in FIG.
【０００４】この円筒５１を、図６（ａ）に示すよう
に、回動可能となった円柱状の受け台２０にセットす
る。[0006] As shown in FIG. 6 (a), the cylinder 51 is set on a rotatable columnar receiving base 20.
【０００５】次に、図６（ｂ）に示すように前記円筒５
１の開口縁突出部５２上方に鍔成形用ダイス２２を位置
させる。この鍔成形用ダイス２２は、円板の周面に鍔成
形用の溝３２が形成されており、この鍔成形用ダイス２
２を下降させ、その溝３２に前記円筒５１の開口縁突出
部５２を嵌入させる形でセットする。同時に、円筒５１
が脱落しないよう円筒５１の底を回転可能になった保持
装置Ａで押さえる。[0005] Next, as shown in FIG.
The flange forming die 22 is positioned above the one opening edge projection 52. This flange forming die 22 has a flange forming groove 32 formed on the peripheral surface of a disk.
2 is lowered, and set so that the opening edge protruding portion 52 of the cylinder 51 is fitted into the groove 32. At the same time, the cylinder 51
The bottom of the cylinder 51 is pressed by the rotatable holding device A so as not to fall off.
【０００６】そして、前記受け台２０と鍔成形用ダイス
２２とで円筒５１の突出部５２を圧接しながら受け台２
０と鍔成形用ダイス２２を回転させ、円筒５１の開口縁
突出部５２を鍔に成形する。[0006] While pressing the protruding portion 52 of the cylinder 51 with the receiving base 20 and the flange forming die 22, the receiving base 2
By rotating the die 22 and the flange forming die 22, the opening edge protruding portion 52 of the cylinder 51 is formed into a flange.
【０００７】次に、図６（ｃ）に示すように、鍔が成形
された円筒５１を受け台２０から抜き取り、主軸丸ダイ
ス２１に被せる形でセットし、図６（ｄ）に示すよう
に、円筒５１の円筒面５３に主軸丸ダイス２１の成形刃
３１と対の成形刃３３を有するダイス２３を当接させ、
両ダイス２１、２３で円筒壁５４を挟み込み、圧接しな
がら両ダイス２１、２３を回転させ、円筒壁５４に軸方
向のねじを成形する。この時、主軸丸ダイス２１の成形
刃３１を１条ねじ、丸ダイス２３の成形刃３３をｎ条ね
じとし、２３の丸ダイスを一回転させる間に主軸丸ダイ
ス２１をｎ回転させる形をとる。Next, as shown in FIG. 6 (c), the cylinder 51 formed with the flange is pulled out of the receiving table 20, and set so as to cover the spindle round die 21, and as shown in FIG. 6 (d). The die 23 having the pair of forming blades 33 and the forming blades 31 of the main spindle round die 21 is brought into contact with the cylindrical surface 53 of the cylinder 51,
The cylindrical wall 54 is sandwiched between the two dies 21 and 23, and the two dies 21 and 23 are rotated while being pressed against each other to form an axial screw on the cylindrical wall 54. At this time, the forming blade 31 of the main spindle round die 21 has a single-start thread, the forming blade 33 of the round die 23 has an n-start thread, and the main shaft round die 21 is rotated n times while the 23 round die is rotated once. .
【０００８】[0008]
【発明が解決しようとする課題】上記のような口金の製
造方法では、鍔成形工程とねじ成形工程を別々に行って
いるので、ダイスを取り替える必要があり、作業効率上
の点で問題がある。In the method of manufacturing a die as described above, since the flange forming step and the screw forming step are performed separately, it is necessary to replace the dies, which is problematic in terms of work efficiency. .
【０００９】また、別工程であることにより、加工操作
の簡易な鍔成形工程を抜かしてしまい、鍔成形がなされ
ていない不良品が混入するおそれがある。[0009] In addition, since this is a separate step, a simple flange forming step of the processing operation is omitted, and there is a possibility that defective products that have not been flange-formed may be mixed.
【００１０】そこで、この発明の課題は、口金の製造に
おけるこのような問題を解決し、鍔の成形とねじの成形
を効率よく行えるようにすることにある。Accordingly, an object of the present invention is to solve such a problem in the manufacture of a die and to efficiently form a flange and a screw.
【００１１】[0011]
【課題を解決するための手段】上記課題を解決するため
に、この発明は、開口縁に半径方向外向きの突出部を有
する底付き円筒をねじ成形用中丸ダイスに被せ、その円
筒の周面と突出部のそれぞれに、前記ねじ成形用中丸ダ
イスと対の成形刃を有したねじ成形用外丸ダイスと、前
記突出部を鍔に成形するための成形溝を有した鍔成形用
丸ダイスを回転軸を平行にして当接させ、円筒の周壁を
前記ねじ成形用中丸ダイスとねじ成形用外丸ダイスで挟
んで圧接し、突出部を鍔成形用丸ダイスとねじ成形用中
丸ダイスで挟んで圧接しながら、それらの丸ダイスを回
転させることにより、円筒周壁の軸方向のねじの成形と
突出部の鍔の成形を行って容器の口金を製造する装置で
あって、前記鍔成形用丸ダイスと前記ねじ成形用外丸ダ
イスの回転軸が同一軸上に配置され、両丸ダイスがその
軸方向に相対的に移動可能になっているようにしたので
ある。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention covers a bottomed cylinder having a radially outwardly projecting portion on an opening edge on a screw-forming medium-round die, and a peripheral surface of the cylinder. The outer round die for screw forming having a pair of forming blades with the middle round die for screw forming, and the round die for forming a flange having a forming groove for forming the protrusion into a flange are respectively rotated. The shafts are brought into parallel contact, the cylindrical peripheral wall is sandwiched between the screw forming middle round die and the screw forming outer round die, and the protrusion is pressed between the flange forming round die and the screw forming middle round die. While rotating these round dies, it is an apparatus for manufacturing a die for a container by forming an axial screw of a cylindrical peripheral wall and forming a flange of a protruding portion, wherein the flange forming round die and the flange die are formed. Outer round dies for screw forming have the same rotation axis Arranged on the shaft, it is the two round die has to have become relatively movable in the axial direction.
【００１２】このようにしたことにより、外丸、中丸ダ
イスの間でねじ成形が行われる際に、外丸ダイスがその
軸方向の成形位置に止まったまま、鍔成形用丸ダイスが
円筒の軸方向に移動しなければならないが、外丸ダイス
と鍔成形用丸ダイスは相対的に移動可能であるので、鍔
成形用丸ダイスは移動でき、円筒周壁の軸方向のねじの
成形と突出部の鍔の成形が同時に行える。With this configuration, when screw forming is performed between the outer round and the middle round dies, the flange forming round die is moved in the axial direction of the cylinder while the outer round die remains at the forming position in the axial direction. Although it is necessary to move, the outer round die and the flange forming round die are relatively movable, so the flange forming round die can move, forming the screw in the axial direction of the cylindrical peripheral wall and forming the flange of the protrusion. Can be performed simultaneously.
【００１３】[0013]
【実施の形態】図１〜図３にこの発明の実施の形態を示
し、従来例と同一部分については同一符号を付して説明
を省略する。1 to 3 show an embodiment of the present invention, and the same parts as those of the conventional example are denoted by the same reference numerals and description thereof will be omitted.
【００１４】この実施形態は、鍔成形とねじ成形をもれ
なく効率よく行うため、図１に示す段付き円柱状の外丸
ダイス１に、それと同芯円のドーナツ型円板状の鍔成形
用丸ダイス２を一体化した複合丸ダイス１１を構成し、
前記外丸ダイス１と対の成形刃を有する主軸丸ダイス２
１とで鍔成形とねじ成形を同時に行をうとするものであ
る。In this embodiment, in order to perform the flange forming and the screw forming efficiently without fail, a stepped cylindrical outer round die 1 shown in FIG. 2 to form a composite round die 11,
A spindle round die 2 having a pair of forming blades with the outer round die 1
No. 1 attempts to perform both flange forming and screw forming at the same time.
【００１５】前記外丸ダイス１は三つの異径部から成る
段付き円柱で、その小径部１２が回転軸になっており、
中径部１３の外周面に前記鍔成形用丸ダイス２の内周面
がゆるやかに嵌合し、鍔成形用丸ダイス２がこの外周面
に沿って軸方向に摺動可能となっている。そして、大径
部１４の外周面にねじ切り用の成形刃１５が形成されて
いる。The outer round die 1 is a stepped cylinder having three different diameter portions, and the small diameter portion 12 is a rotating shaft.
The inner peripheral surface of the flange-forming round die 2 is loosely fitted to the outer peripheral surface of the middle diameter portion 13, and the flange-forming round die 2 is slidable in the axial direction along the outer peripheral surface. A forming blade 15 for thread cutting is formed on the outer peripheral surface of the large diameter portion 14.
【００１６】他方、鍔成形用丸ダイス２は、前記したよ
うに、外丸ダイス１の中径部１３の外周面にゆるやかに
嵌合してその軸方向に摺動可能となっており、外丸ダイ
ス１の大径部の貫通孔１６に組み込まれたボルト１７に
締結され、外丸ダイス１から離脱しないようになってい
る。そして、外丸ダイス１の大径部外周寄りに軸に平行
に設けられた別の貫通孔１８にはバネ１９が挿入されて
おり、鍔成形用丸ダイス２の板面３６と蓋３５との間に
閉じ込められ、鍔成形用丸ダイス２を常に外丸ダイス１
から遠ざける方向に付勢している。すなわち、図１はこ
の装置の加工前の原点状態を示しているが、加工時には
鍔成形用丸ダイス２と外丸ダイス１が近づくので（図
２、図３参照）、このバネ１９は、加工終了後、鍔成形
用丸ダイス２と外丸ダイス１を被加工物から離した際
に、両者を遠ざけてそれぞれを原点位置に復帰させる役
割を果たす。On the other hand, as described above, the round die 2 for forming a flange is loosely fitted to the outer peripheral surface of the middle diameter portion 13 of the outer round die 1 so as to be slidable in the axial direction. 1 is fastened to a bolt 17 incorporated in the through hole 16 of the large diameter portion so as not to be separated from the outer round die 1. A spring 19 is inserted into another through hole 18 provided in parallel with the axis near the outer periphery of the large diameter portion of the outer round die 1, and the spring 19 is inserted between the plate surface 36 of the flange forming round die 2 and the lid 35. The round die 2 for forming the collar is always
Biased away from That is, FIG. 1 shows the original state of the apparatus before machining, but since the round die 2 for forming a flange and the outer round die 1 approach during machining (see FIGS. 2 and 3), the spring 19 finishes machining. Later, when the flange forming round die 2 and the outer round die 1 are separated from the workpiece, they play a role of separating them from each other and returning each to the original position.
【００１７】前記蓋３５は、装置を組み立てる際、ボル
ト３７によって固定される。なお、前記バネ１９や鍔成
形用丸ダイス２の離脱防止用のボルト１７は、外丸ダイ
ス１の大径部１４円板面の中心に対称な位置に複数設け
られ、後に示すように、加工時、鍔成形用丸ダイス２が
外丸ダイス１の回転軸に沿って移動する際の平衡を保っ
ている。The lid 35 is fixed by bolts 37 when assembling the apparatus. In addition, a plurality of the springs 19 and the bolts 17 for preventing separation of the flange forming round die 2 are provided at a position symmetrical to the center of the disk surface of the large diameter portion 14 of the outer round die 1, as described later. The balance is maintained when the round die 2 for forming a flange moves along the rotation axis of the outer round die 1.
【００１８】そして、鍔成形用丸ダイス２の外周面には
鍔成形用の成形用溝３が設けられている。この鍔成形用
丸ダイス２の外径および前記外丸ダイス１の大径の寸法
は、後にも示すように、被加工物の底付き円筒５１を前
記外丸ダイス１とともにねじ成形を行う主軸丸ダイス２
１に被せる形でセットした際、鍔成形用丸ダイス２の成
形用溝３と外丸ダイス１の成形刃１５がともに、それぞ
れ前記底付き円筒５１の突出部５２と周面５３に当接す
る寸法仕様となっている（図２、図３参照）。A forming groove 3 for forming a flange is provided on the outer peripheral surface of the round die 2 for forming a flange. The outer diameter of the round die 2 for forming a flange and the diameter of the large diameter of the outer round die 1 are, as will be described later, the main shaft round die 2 for screw-forming the bottomed cylinder 51 of the workpiece together with the outer round die 1.
When set in such a manner that the groove 3 of the round die 2 for forming a flange and the forming blade 15 of the outer circular die 1 abut on the protruding portion 52 and the peripheral surface 53 of the cylinder 51 with a bottom, respectively. (See FIGS. 2 and 3).
【００１９】以上が鍔成形用丸ダイス２とねじ成形用外
丸ダイス１を組み合わせた複合丸ダイス１１の構成であ
るが、円筒周壁５４のねじ成形は、前記したように、そ
のねじ成形用外丸ダイス１の成形刃１５と対の成形刃３
１を有する主軸丸ダイス２１を用いて行う。以下、その
主軸丸ダイス２１と複合丸ダイス１１を用いた口金１０
の成形工程を説明する。The structure of the composite round die 11 in which the round die 2 for forming a flange and the outer die 1 for forming a screw are combined has been described above. The screw forming of the cylindrical peripheral wall 54 is performed as described above. One forming blade 15 and a pair of forming blades 3
This is performed using a spindle round die 21 having a number of 1. Hereinafter, the base 10 using the spindle round die 21 and the composite round die 11 will be described.
The molding step will be described.
【００２０】成形工程に入る前に、その被加工物とし
て、予め、平板な材料（ブランク）から前記図４に示し
たような開口縁が半径方向外方に突出した底付き円筒５
１を円形絞り加工によって成形する。Before starting the forming step, the work piece to be processed is a bottomed cylinder 5 whose opening edge protrudes radially outward from a flat material (blank) as shown in FIG.
1 is formed by circular drawing.
【００２１】この円筒５１を、図１に示すように主軸丸
ダイス２１に挿入する形でセットし、円筒５１が脱落し
ないよう、その底を、回転可能になった円板状の保持装
置Ａで図の左から水平の向きに押さえる。As shown in FIG. 1, the cylinder 51 is set in a manner to be inserted into the round spindle die 21, and its bottom is fixed by a rotatable disk-shaped holding device A so that the cylinder 51 does not fall off. Press horizontally from the left of the figure.
【００２２】次に、図２に示すように、主軸丸ダイス２
１にセットされた円筒５１の開口縁突出部５２の直上に
複合丸ダイス１１の鍔成形用丸ダイス２の成形用溝３を
位置させ、複合丸ダイス１１を下降してその成形用溝３
を円筒５１の開口縁突出部５２にはめ込む。この時、複
合丸ダイス１１の外丸ダイス１の成形刃１５と主軸丸ダ
イス２１の成形刃３１がそれぞれ円筒５１の外周面５３
と内周面に当接し、円筒周壁５４を上下から挟む形にな
る。Next, as shown in FIG.
The molding groove 3 of the round die 2 for forming a flange of the composite round die 11 is positioned immediately above the opening edge protruding portion 52 of the cylinder 51 set at 1 and the composite round die 11 is lowered to form the groove 3.
Is fitted into the opening edge projection 52 of the cylinder 51. At this time, the forming blade 15 of the outer round die 1 of the composite round die 11 and the forming blade 31 of the main shaft round die 21 are respectively connected to the outer peripheral surface 53 of the cylinder 51.
And the inner peripheral surface, and sandwiches the cylindrical peripheral wall 54 from above and below.
【００２３】以上のような状態で複合丸ダイス１１と主
軸丸ダイス２１を、周壁５４および突出部５２を圧接し
ながら回転させると、外丸ダイス１の成形刃１５と主軸
丸ダイス２１の成形刃３１により、周壁５４に軸方向に
沿う転造ねじが成形される。この実施形態では主軸丸ダ
イス２１を１条ねじとし、複合丸ダイス１１の外丸ダイ
ス１の成形刃をｎ条ねじとした場合に、複合丸ダイス１
１と主軸丸ダイス２１はｎ：１の比で回転させる形をと
る。When the composite round die 11 and the spindle round die 21 are rotated while pressing the peripheral wall 54 and the protruding portion 52 in the above state, the forming blade 15 of the outer round die 1 and the forming blade 31 of the spindle round die 21 are rotated. Thereby, a rolled screw along the axial direction is formed on the peripheral wall 54. In this embodiment, when the main spindle round die 21 is a single-start thread and the forming blade of the outer round die 1 of the composite round die 11 is an n-start thread, the composite round die 1
1 and the main spindle round die 21 are rotated at a ratio of n: 1.
【００２４】また、円筒周壁５４のねじ成形時には、複
合丸ダイス１１の外丸ダイス１がその軸方向における成
形位置に止まったまま、鍔成形用丸ダイス２が主軸丸ダ
イス２１に対してその軸方向に沿って移動しなければな
らないが、鍔成形用丸ダイス２は外丸ダイス１に対して
軸方向に摺動可能となっているので、外丸ダイス１が固
定の状態であっても、周壁５４のねじの成形につれて鍔
成形用丸ダイス２は移動することができ、周壁５４のね
じ成形と突出部５２の鍔成形が同時に行える。図３は、
ねじ、および鍔ともに成形が終了した時の口金１０およ
び装置の状態を示したものである。When the cylindrical peripheral wall 54 is screw-formed, the outer die 1 of the composite die 11 remains at the forming position in the axial direction, and the flange forming die 2 is moved in the axial direction with respect to the main spindle round die 21. However, since the flange forming round die 2 is slidable in the axial direction with respect to the outer round die 1, even if the outer round die 1 is fixed, The flange forming round die 2 can move as the screw is formed, and the screw forming of the peripheral wall 54 and the flange forming of the protrusion 52 can be performed simultaneously. FIG.
It shows the state of the base 10 and the device when the molding of both the screw and the flange is completed.
【００２５】加工終了後、複合丸ダイス１１を上方に移
動させ、成形が終了した円筒５１から退避させると、鍔
成形用丸ダイス２はバネ１９の作用によりその軸方向に
沿って外丸ダイス１から遠ざかる向きに移動し、図１の
原点状態に復帰する。After finishing the processing, the composite round die 11 is moved upward and retracted from the cylinder 51 where the forming is completed, and the flange forming round die 2 is moved from the outer round die 1 along the axial direction by the action of the spring 19. It moves away, and returns to the origin state of FIG.
【００２６】こうして、この実施形態では、外丸ダイス
１と鍔成形用丸ダイス２が一体化された複合丸ダイス１
１と主軸丸ダイス２１を用い、ねじ成形と鍔成形を一工
程で行うことができる。Thus, in this embodiment, the composite round die 1 in which the outer round die 1 and the flange forming round die 2 are integrated
The screw forming and the flange forming can be performed in one step by using the main die 1 and the spindle round die 21.
【００２７】[0027]
【発明の効果】この発明は上記のように構成したので、
ねじ成形と鍔成形を一工程で行うことができ、従来、こ
れらを別工程で行っていた時に比べ、工程数が減るとと
もに、工具の交換の手間も省け、作業効率が格段に向上
する。また、それに伴い、鍔成形の加工もれもない。The present invention is configured as described above.
Screw forming and flange forming can be performed in a single step, and the number of steps is reduced, and labor for changing tools is also reduced as compared with the conventional case where these are performed in separate steps, thereby significantly improving work efficiency. In addition, there is no processing for forming the flange.
【図１】実施の形態を示す側面図FIG. 1 is a side view showing an embodiment.
【図２】実施形態による口金の成形開始を示す図FIG. 2 is a view showing a start of forming a die according to the embodiment;
【図３】実施形態による口金の成形終了を示す図FIG. 3 is a diagram showing the end of molding of the die according to the embodiment;
【図４】口金の斜視図FIG. 4 is a perspective view of a base.
【図５】口金のもとである円筒を示す図FIG. 5 is a view showing a cylinder serving as a base of the base;
【図６】従来の実施形態を示す図FIG. 6 is a diagram showing a conventional embodiment.
１ 外丸ダイス ２ 鍔成形用丸ダイス ３ 成形用溝 １１ 複合丸ダイス １２ 小径部 １３ 中径部 １４ 大径部 ２１ 主軸丸ダイス ５１ 円筒 ５２ 突出部 ５３ 周面 ５４ 周壁 DESCRIPTION OF SYMBOLS 1 Outer round die 2 Flange forming round die 3 Forming groove 11 Composite round die 12 Small diameter portion 13 Medium diameter portion 14 Large diameter portion 21 Spindle round die 51 Cylindrical 52 Projection 53 Peripheral surface 54 Peripheral wall
Claims (1)
る底付き円筒をねじ成形用中丸ダイスに被せ、その円筒
の周面と突出部のそれぞれに、前記ねじ成形用中丸ダイ
スと対の成形刃を有したねじ成形用外丸ダイスと、前記
突出部を鍔に成形するための成形溝を有した鍔成形用丸
ダイスを回転軸を平行にして当接させ、円筒の周壁を前
記ねじ成形用中丸ダイスとねじ成形用外丸ダイスで挟ん
で圧接し、突出部を鍔成形用丸ダイスとねじ成形用中丸
ダイスで挟んで圧接しながら、それらの丸ダイスを回転
させることにより、円筒周壁の軸方向のねじの成形と突
出部の鍔の成形を行って容器の口金を製造する装置であ
って、 前記鍔成形用丸ダイスと前記ねじ成形用外丸ダイスの回
転軸が同一軸上に配置され、両丸ダイスがその軸方向に
相対的に移動可能になっていることを特徴とする容器の
口金の製造装置。 1. An opening edge having a radially outwardly projecting portion.
A cylindrical cylinder with a bottom
In each of the peripheral surface and the protruding part of the
Outer round die for screw forming having a pair of forming blades,
A collar for forming a flange having a forming groove for forming a protrusion into a flange.
The die is abutted with the axis of rotation parallel, and the peripheral wall of the cylinder is
It is sandwiched between the middle round die for screw forming and the outer round die for screw forming.
And the protruding part is a round die for flange forming and a middle round for screw forming.
Rotate those round dies while pressing and pressing with dies
To form and project screws in the axial direction of the cylindrical peripheral wall.
It is a device that manufactures the base of the container by forming the flange of the protrusion.
The round die for forming the flange and the outer die for forming the screw are turned around.
The rolling axes are arranged on the same axis, and both round dies are
Of containers characterized by being relatively movable
Base manufacturing equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28585295A JP2662383B2 (en) | 1995-11-02 | 1995-11-02 | Container cap manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28585295A JP2662383B2 (en) | 1995-11-02 | 1995-11-02 | Container cap manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09123023A JPH09123023A (en) | 1997-05-13 |
| JP2662383B2 true JP2662383B2 (en) | 1997-10-08 |
Family
ID=17696898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28585295A Expired - Lifetime JP2662383B2 (en) | 1995-11-02 | 1995-11-02 | Container cap manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2662383B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150165535A1 (en) * | 2012-08-01 | 2015-06-18 | M.H. Center Limited | Method of processing female screw and apparatus therefor |
-
1995
- 1995-11-02 JP JP28585295A patent/JP2662383B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09123023A (en) | 1997-05-13 |
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