JPH07257529A - Exterior paper suction pad-actuating device in cutting and unsealing device for exterior paper wrapping roll of paper - Google Patents
Exterior paper suction pad-actuating device in cutting and unsealing device for exterior paper wrapping roll of paperInfo
- Publication number
- JPH07257529A JPH07257529A JP7639494A JP7639494A JPH07257529A JP H07257529 A JPH07257529 A JP H07257529A JP 7639494 A JP7639494 A JP 7639494A JP 7639494 A JP7639494 A JP 7639494A JP H07257529 A JPH07257529 A JP H07257529A
- Authority
- JP
- Japan
- Prior art keywords
- suction
- paper
- suction pad
- exterior paper
- exterior
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control And Other Processes For Unpacking Of Materials (AREA)
- Replacement Of Web Rolls (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、新聞用紙等の巻取紙を
被包している外装紙を、人手作業に依らず機械的手段に
より切断開封するものであって、新聞印刷用の輪転機等
に巻取紙を自動給紙する装置の一環として利用されるも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to cut and unseal an exterior paper enclosing a roll of newspaper such as newsprint by mechanical means without manual work, such as a rotary press for newspaper printing. It is used as a part of a device that automatically feeds rolled paper.
【０００２】[0002]
【従来の技術】従来の巻取紙被包外装紙の切断開封技術
としては、例えば、特開平５−３１９６４２号公報に開
示されているように（図１参照）、巻取紙表面に損傷を
与えず外装紙のみを切開開封するため、外装紙１の切断
開封端部を一対の離間した吸引パッドＰで部分的に吸引
浮上させ、切断カッタＢで浮上外装紙部分を切開すると
ともに浮上した外装紙裏面と巻取紙表面との間に形成し
た空隙内に切断開封部材Ｃの先端を挿入し、該切断開封
部材を外装紙母線方向に移動させることにより外装紙の
切断開封を行っていた。そして、該切断開封部材の母線
方向移動による外装紙の切断開封を容易にするため、外
装紙吸着状態の一対の吸引パッドを切断開封部分が拡開
する方向に傾けさせていた。2. Description of the Related Art As a conventional technique for cutting and unsealing a wound paper-wrapped outer paper, as disclosed in, for example, Japanese Patent Laid-Open No. 5-319642 (see FIG. 1), the outer paper is not damaged on the surface of the wound paper. In order to cut and open only the outer cover 1, the cut / open end of the outer cover 1 is partially sucked and floated by the pair of spaced suction pads P, the floating cutter is cut by the cutting cutter B, and the outer face of the outer cover and the rolled-up paper The tip of the cutting / opening member C is inserted into the space formed between the surface and the surface, and the cutting / opening member is moved in the generatrix direction of the external paper to cut and open the external paper. Then, in order to facilitate the cutting and unsealing of the exterior paper by moving the cutting and unsealing member in the generatrix direction, the pair of suction pads in the exterior paper suction state are tilted in the direction in which the cut and unseal portion expands.
【０００３】[0003]
【発明が解決しようとする課題】上述した従来技術にお
いては、吸引パッドを傾ける手段として吸引パッドを下
端に取付けた支持杆を一対の傾動操作リンクに遊挿して
いたので、吸引パッドの傾動操作時に該支持杆が遊動し
て支持杆の軸心の周りに自由に回動して、吸引パッドの
吸着面の傾きが外装紙の外周曲面の傾きに一致せず、そ
の結果、吸引パッドが外装紙外周曲面に密着しないた
め、外装紙吸引作用は著しく減衰して外装紙を浮上させ
ることができないおそれが生じていた。In the above-mentioned prior art, since the support rod having the suction pad attached to the lower end is loosely inserted into the pair of tilt operation links as means for tilting the suction pad, the suction pad is tilted at the time of tilting operation. The support rod floats and freely rotates around the axis of the support rod, the inclination of the suction surface of the suction pad does not match the inclination of the outer peripheral curved surface of the outer paper, and as a result, the suction pad is Since the outer peripheral curved surface is not in close contact with the outer peripheral curved surface, the suction action of the outer packaging paper is remarkably attenuated and there is a possibility that the outer packaging paper cannot be floated.
【０００４】[0004]
【課題を解決するための手段】そこで、本発明は、開封
ヘッドに夫々独立して昇降案内駆動される一対の吸引ヘ
ッドを設け、該夫々の吸引ヘッドに揺動自在に軸支した
揺動シリンダ装置を一端に連結し他端に吸引パッドを取
付けた吸引パッド支持杆の中央部に外装紙の略々上面に
円弧中心を位置させて吸引パッド吸着面に直交し吸引ヘ
ッドに設けた円弧動案内部材に案内される円弧動案内面
を形成して、吸引パッドの吸着面を常に外装紙外周曲面
に一致させて傾けることにより、従来技術の欠点を解決
したものである。SUMMARY OF THE INVENTION In view of the above, the present invention provides a swing cylinder in which a pair of suction heads, each of which is independently driven to move up and down, is provided in the unsealing head, and the suction heads are swingably supported. A circular arc guide provided on the suction head perpendicular to the suction surface of the suction pad by positioning the arc center on approximately the upper surface of the exterior paper at the center of the suction pad support rod with the device connected to one end and the suction pad attached to the other end. The drawback of the prior art is solved by forming an arcuate motion guide surface to be guided by the member and always tilting the suction surface of the suction pad so as to match the outer peripheral curved surface of the exterior paper.
【０００５】[0005]
【作用】揺動シリンダ装置の伸縮動によって吸引パッド
支持杆の一端を昇降動させると、吸引パッド支持杆の中
央部に形成した円弧動案内面は、吸引ヘッドに設けた円
弧動案内部材に案内されて外装紙の略々上面に円弧中心
を置き吸引パッドの吸着面に直交する円弧揺動を行うの
で、吸引パッド支持杆の他端に取付けた吸引パッドの吸
着面は外装紙の上面に当接する際に外装紙上面に正対し
て吸着するから、吸引作用は減衰されず、充分な吸引浮
上作用を奏することができる。When one end of the suction pad support rod is moved up and down by the expansion and contraction of the swing cylinder device, the circular arc guide surface formed at the center of the suction pad support rod is guided by the circular arc guide member provided on the suction head. Since the center of the arc is placed substantially on the upper surface of the outer paper and the arc swings perpendicular to the suction surface of the suction pad, the suction surface of the suction pad attached to the other end of the suction pad support rod contacts the upper surface of the outer paper. When they come into contact with each other, they are attracted by being directly faced to the upper surface of the exterior paper, so that the suction action is not attenuated and a sufficient suction floating action can be achieved.
【０００６】[0006]
【実施例】図２は、図１のパッドＰに相当する本発明の
吸引ヘッドの拡大側面図であって、巻取紙被包外装紙１
の開封ラインを跨いで配設された一対の外装紙吸引パッ
ドＰ，Ｐの作動装置を示し、図１に示す開封ヘッドＨに
固設された支持部材２には一対の吸引ヘッド３Ａおよび
３Ｂを外装紙開封ラインを跨いで昇降案内するガイドレ
ールＧ（図６）と昇降駆動するシリンダ装置４Ａ，４Ｂ
が設けられ、該シリンダ装置４Ａおよび４Ｂのピストン
ロッドは結合金具Ｎ，Ｎを介して夫々吸引ヘッド３Ａお
よび３Ｂに連結され吸引ヘッド３Ａ，３Ｂを昇降駆動す
る。2 is an enlarged side view of a suction head of the present invention corresponding to the pad P of FIG.
2 shows an operating device for a pair of exterior paper suction pads P, P arranged across the unsealing line, and a pair of suction heads 3A and 3B are provided on the support member 2 fixed to the unsealing head H shown in FIG. A guide rail G (FIG. 6) that guides up and down across the exterior paper opening line, and cylinder devices 4A and 4B that drive up and down.
The piston rods of the cylinder devices 4A and 4B are connected to the suction heads 3A and 3B via coupling fittings N and N, respectively, to drive the suction heads 3A and 3B up and down.
【０００７】夫々の吸引ヘッド３Ａおよび３Ｂに取付け
られた吸引ヘッド作動装置は左右対称であって構造上差
異がないので、吸引ヘッド３Ｂ側の構造を以下説明す
る。図６において昇降する吸引ヘッド３Ｂには開封ヘッ
ドＨに固設された支持部材２のガイドレールＧに案内さ
れる案内部材Ｇ１が取付けられるとともに、吸引パッド
支持杆５Ｂの側面を摺動ライナー６Ｂ’を介して摺動案
内する案内側板６Ｂがピン６で結合されて取付けられて
いる。Since the suction head actuating devices attached to the suction heads 3A and 3B are symmetrical and have no structural difference, the structure on the suction head 3B side will be described below. In FIG. 6, a guide member G1 guided by a guide rail G of the support member 2 fixed to the unsealing head H is attached to the suction head 3B that moves up and down, and the side surface of the suction pad support rod 5B is slid liner 6B '. A guide side plate 6B that slides and guides through is connected by a pin 6 and attached.
【０００８】そして、図８に示すように吸引パッド支持
杆５Ｂの一端には吸引パッドＰが取付けられ、他端には
吸引ヘッド３Ｂに揺動自在に軸支したシリンダ７Ｂのピ
ストンロッド７Ｂ’の先端が連結され、中央部には円弧
中心Ｏを外装紙１の略々上面に位置させ吸引パッドＰの
吸着面に直交する円弧状長穴８Ｂを貫設し、該長穴８Ｂ
の円弧動案内部材である一対の離間ピン９Ｂ，９Ｂが吸
引ヘッド３Ｂに突設されている。As shown in FIG. 8, a suction pad P is attached to one end of the suction pad support rod 5B, and the other end of a piston rod 7B 'of a cylinder 7B pivotally supported by a suction head 3B. The tip ends are connected to each other, and the center O of the arc is located substantially on the upper surface of the exterior paper 1 in the central portion thereof, and an arc-shaped elongated hole 8B orthogonal to the suction surface of the suction pad P is provided therethrough.
A pair of separating pins 9B, 9B, which are circular arc guide members, are provided on the suction head 3B so as to project therefrom.
【０００９】したがって、ピストンロッド７Ｂ’が伸縮
動することにより吸引パッド支持杆５Ｂは図８における
仮想線位置と実線位置との間で円弧動し、吸引パッドＰ
の吸着面が該円弧曲線に直交し円弧中心Ｏが外装紙の略
々上面に位置することにより吸引パッドＰの吸着面は外
装紙１の上面に正対して確実に密着することができる。
勿論、図２に示すように、吸引パッドＰは吸着面が外装
紙の外周曲面に倣った傾きを有するように吸引パッド支
持杆５Ｂに予め取付けられている。Therefore, as the piston rod 7B 'expands and contracts, the suction pad support rod 5B moves in an arc between the virtual line position and the solid line position in FIG.
Since the suction surface of the suction pad P is orthogonal to the arc curve and the center O of the arc is located substantially on the upper surface of the exterior paper, the suction surface of the suction pad P can face the upper surface of the exterior paper 1 and be surely adhered thereto.
Of course, as shown in FIG. 2, the suction pad P is attached in advance to the suction pad support rod 5B so that the suction surface has an inclination that follows the outer peripheral curved surface of the exterior paper.
【００１０】なお、上記実施例に限らず円弧状長穴８Ｂ
を吸引ヘッド３Ｂに、円弧動案内部材９Ｂ，９Ｂを吸引
パッド支持杆５Ｂに、夫々設けても差支えなく、また互
いに補完する円弧状凹凸形状の拘束滑動部材に代えても
よい。The arc-shaped elongated hole 8B is not limited to the above embodiment.
May be provided on the suction head 3B, and the arcuate motion guide members 9B, 9B may be provided on the suction pad support rod 5B, respectively, and may be replaced by a complementary sliding member having an arcuate concavo-convex shape that complements each other.
【００１１】さらに、前記一対の離間ピン９Ｂ，９Ｂは
図６の如く両端をボールベアリングで軸受されてもよい
し、該ピン９Ｂ，９Ｂの両端を、固定して該ピンにロー
ラを回転自在に外嵌してもよい。Further, both ends of the pair of separating pins 9B, 9B may be supported by ball bearings as shown in FIG. 6, or both ends of the pins 9B, 9B may be fixed to allow the roller to rotate on the pins. You may fit on the outside.
【００１２】そして、吸引ヘッド３Ｂの昇降動は図２、
図７に示すように昇降上限調整ボルトＳ１、昇降下限調
整ボルトＳ２によってストロークが規制され、吸引パッ
ドＰの円弧動は回動上限調整ボルトＳ３、回動下限調整
ボルトＳ４によって規制されている。The lifting and lowering movement of the suction head 3B is shown in FIG.
As shown in FIG. 7, the stroke is regulated by the ascending / descending upper limit adjusting bolt S1 and the ascending / descending lower limit adjusting bolt S2, and the arc movement of the suction pad P is regulated by the rotation upper limit adjusting bolt S3 and the rotation lower limit adjusting bolt S4.
【００１３】そこで、図１において従来と同様に開封ヘ
ッドＨを降下させて外装紙１に対する切断開封の位置決
めを行い、次いで、図２に示すシリンダ装置４Ａ，４Ｂ
を作動させて吸引ヘッド３Ａ，３Ｂを昇降下限調整ボル
トＳ２の衝接位置まで降下させたのち、ピストンロッド
７Ａ’，７Ｂ’を縮小作動させて吸引パッド支持杆５
Ａ，５Ｂの一端を回動下限調整ボルトＳ４に衝接するま
で引上げることにより、該支持杆５Ａ，５Ｂの他端に取
付けた吸引パッドＰ，Ｐは円弧動降下して外装紙１の上
面に密着し外装紙を吸着する。夫々の調整ボルトは予め
吸引パッドが外装紙表面に当接する高さに設定されてい
るものである。Therefore, in FIG. 1, the unsealing head H is lowered to position the cutting and unsealing with respect to the exterior paper 1 as in the conventional case, and then the cylinder devices 4A and 4B shown in FIG.
To lower the suction heads 3A, 3B to the contact position of the lifting lower limit adjustment bolt S2, and then the piston rods 7A ', 7B' are contracted to move the suction pad support rod 5
By pulling up one end of A, 5B until it comes into contact with the rotation lower limit adjusting bolt S4, the suction pads P, P attached to the other ends of the supporting rods 5A, 5B move in an arc to move to the upper surface of the exterior paper 1. Adheres closely and adsorbs exterior paper. Each adjusting bolt is set in advance to a height at which the suction pad comes into contact with the surface of the exterior paper.
【００１４】次に、シリンダ装置４Ａ，４Ｂを縮小作動
して吸引ヘッド３Ａ，３Ｂを昇降上限調整ボルトＳ１の
衝接位置まで上昇させると、外装紙１の上面は図３に示
す如く吸引浮上して巻取紙表面との間に切断開封部材Ｃ
の先端が挿入される空隙１０を形成する。Next, when the cylinder devices 4A and 4B are contracted to raise the suction heads 3A and 3B to the abutting position of the lifting upper and lower limit adjusting bolts S1, the upper surface of the exterior paper 1 is sucked and floated as shown in FIG. Cleavage member C between the front and back of the roll
To form a void 10 into which the tip of is inserted.
【００１５】そして、図１におけるシリンダ装置Ａ１を
伸長作動してカッタＢを開封ヘッドＨに設けた案内溝に
沿って移動させ、吸引浮上している一対の吸引パッド
Ｐ，Ｐ間の外装紙上面のみを切断する。Then, the cylinder device A1 shown in FIG. 1 is extended to move the cutter B along a guide groove provided in the opening head H, and the upper surface of the exterior paper between the pair of suction pads P which are suction-floated. Disconnect only.
【００１６】切断後、シリンダ装置７Ａを伸長作動して
一方の吸引パッドＰを図４の如く持ち上げると、他方の
吸引パッドＰとの間に高低差が生じて外装紙開口の引き
ちぎり作用が発生し、外装紙切断開口を確実に切開する
ものである。After cutting, when the cylinder device 7A is extended and one suction pad P is lifted as shown in FIG. 4, a height difference is generated between the suction pad P and the other suction pad P, and a tearing action of the exterior paper opening occurs. The outer paper cutting opening is surely incised.
【００１７】外装紙切断開口を引きちぎり作用によって
確実に切開したのち、シリンダ装置７Ｂを伸長作動して
他方のパッドＰを図５に示す如く引き上げ切断開口を拡
開して、外装紙の切断開封部材Ｃ（図１）の挿入を容易
にするものである。After the outer paper cutting opening is reliably cut open by the tearing action, the cylinder device 7B is extended to pull up the other pad P as shown in FIG. 5 to expand the cutting opening to cut and open the outer paper. It facilitates insertion of the member C (FIG. 1).
【００１８】そして、該切断開封部材Ｃはシリンダ装置
Ａ２（図１）の伸長作動により前記空隙１０に押入され
るとともに、吸引パッドＰ，Ｐの吸引負圧が解除され、
開封ヘッドＨの前進によって切断開封部材Ｃは巻取紙表
面を傷付けることなく外装紙切開部分を掬い上げて切開
してゆく。The cutting and unsealing member C is pushed into the space 10 by the expansion operation of the cylinder device A2 (FIG. 1), and the suction negative pressure of the suction pads P, P is released.
As the opening head H advances, the cutting / opening member C scoops up and cuts the outer paper cutting portion without damaging the surface of the paper roll.
【００１９】[0019]
【発明の効果】本発明は、一対の吸引パッドがシリンダ
装置により昇降駆動されるとともに拘束された円弧軌道
に沿って円弧動するから、吸引パッドの動きが遊動する
ことなく作動するので、吸引パッドの吸着姿勢は常に一
定し、しかも上記円弧動は円弧中心を外装紙の略々上面
に置き且つ吸引パッドの吸着面に直交していることによ
って、吸引パッドは外装紙に正対して吸着するから吸着
作用は強力且つ確実になり、また、一対の吸引パッドは
夫々独立してシリンダ装置による昇降動を行うから、外
装紙切開部分の初期の開口が不完全であったとしても、
夫々の吸引パッドの吸引上昇時に引きちぎり作用を発生
させる上昇落差を生じさせることができるので、外装紙
の切開は確実完全に遂行できるものである。According to the present invention, since the pair of suction pads are driven up and down by the cylinder device and move in an arc along the constrained arc orbit, the suction pads operate without floating. The suction position of the suction pad is always constant, and the arc movement is such that the center of the arc is placed substantially on the upper surface of the outer paper and is orthogonal to the suction surface of the suction pad, so that the suction pad directly adsorbs to the outer paper. The suction action is strong and reliable, and since the pair of suction pads independently move up and down by the cylinder device, even if the initial opening of the exterior paper cutting portion is incomplete,
When the suction of each suction pad rises, a rise / fall height that causes a tearing action can be generated, so that the incision of the exterior paper can be surely performed.
【図１】巻取紙被包外装紙の切開説明正面図である。FIG. 1 is a front view for explaining an incision of a paper wrapped outer paper.
【図２】本発明の吸引ヘッド側面図である。FIG. 2 is a side view of the suction head of the present invention.
【図３】本発明の空隙形成時の吸引パッド説明図であ
る。FIG. 3 is an explanatory diagram of a suction pad at the time of forming a void according to the present invention.
【図４】本発明の外装紙切開開口引きちぎり作動時の吸
引パッド説明図である。FIG. 4 is an explanatory diagram of a suction pad when the exterior paper incision opening tearing operation of the present invention is performed.
【図５】本発明の外装紙切断開封部材押入時の吸引パッ
ド説明図である。FIG. 5 is an explanatory view of a suction pad when pushing the exterior paper cutting / opening member of the present invention.
【図６】本発明の吸引ヘッドの吸引パッド支持杆要部断
面図である。FIG. 6 is a sectional view of a main part of a suction pad supporting rod of the suction head of the present invention.
【図７】本発明の吸引ヘッドの背面図である。FIG. 7 is a rear view of the suction head of the present invention.
【図８】本発明の吸引パッド支持杆の作動説明図であ
る。FIG. 8 is an operation explanatory view of the suction pad support rod of the present invention.
１ 外装紙 ２ 吸引ヘッド支持部材 ３Ａ，３Ｂ 吸引ヘッド ４Ａ，４Ｂ シリンダ装置 ５Ａ，５Ｂ 吸引パッド支持杆 ６Ａ，６Ｂ 案内側板 ７Ａ，７Ｂ シリンダ ８Ａ，８Ｂ 円弧状長穴 ９Ａ，９Ｂ 円弧動案内部材 Ｏ 円弧中心 Ｐ 吸引パッド Ｈ 開封ヘッド Ｃ 外装紙切開部材 Ｂ 切開カッタ 1 Exterior Paper 2 Suction Head Support Members 3A, 3B Suction Heads 4A, 4B Cylinder Devices 5A, 5B Suction Pad Support Rods 6A, 6B Guide Side Plates 7A, 7B Cylinders 8A, 8B Arc-Shaped Long Holes 9A, 9B Arc Motion Guide Members O Arcs Center P Suction pad H Opening head C Exterior paper cutting member B Cutting cutter
───────────────────────────────────────────────────── フロントページの続き (72)発明者 曽根原 房男 大阪府大阪市鶴見区鶴見４丁目17番96号 株式会社椿本チエイン内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Fusao Sonehara 4-1796 Tsurumi, Tsurumi-ku, Osaka City, Osaka Prefecture Tsubakimoto Chain Co., Ltd.
Claims (2)
部を開封ヘッドに設けた一対の離間吸引パッドで浮上さ
せて切断開封する装置において、開封ヘッドに夫々独立
して昇降案内駆動される一対の吸引ヘッドを設け、該夫
々の吸引ヘッドに揺動自在に軸支した揺動シリンダ装置
を一端に連結し他端に吸引パッドを取付けた吸引パッド
支持杆の中央部に、外装紙の略々上面に円弧中心を位置
させて吸引パッドの吸着面に直交し吸引ヘッドに設けた
円弧動案内部材に案内される円弧動案内面を形成した外
装紙吸引パッド作動装置。1. An apparatus for cutting and unsealing by enclosing a cut and unsealed end portion of a side-by-side paper roll, which is cut and unsealed by a pair of separating suction pads provided on the unsealing head, and is independently driven to be vertically guided by the unsealing head. A pair of suction heads, each of which is connected to one end of a swing cylinder device swingably supported by the suction head, and a suction pad attached to the other end of the suction pad support rod. An exterior paper suction pad actuating device having a circular arc guide surface which is located substantially on the upper surface and is orthogonal to the suction surface of the suction pad and is guided by an arc guide member provided on the suction head.
節ボルトを設け、吸引ヘッドに吸引パッド支持杆の揺動
上下限調節ボルトを設けた請求項１の外装紙吸引パッド
作動装置。2. The exterior paper suction pad actuating device according to claim 1, wherein the opening / closing head is provided with a lifting upper / lower limit adjusting bolt of the suction head, and the suction head is provided with a swinging upper / lower limit adjusting bolt of the suction pad supporting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7639494A JP2813299B2 (en) | 1994-03-24 | 1994-03-24 | External Paper Suction Pad Actuator in Cutting and Opening Device of Web Paper Envelope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7639494A JP2813299B2 (en) | 1994-03-24 | 1994-03-24 | External Paper Suction Pad Actuator in Cutting and Opening Device of Web Paper Envelope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07257529A true JPH07257529A (en) | 1995-10-09 |
| JP2813299B2 JP2813299B2 (en) | 1998-10-22 |
Family
ID=13604097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7639494A Expired - Fee Related JP2813299B2 (en) | 1994-03-24 | 1994-03-24 | External Paper Suction Pad Actuator in Cutting and Opening Device of Web Paper Envelope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2813299B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703849A (en) * | 2019-02-22 | 2019-05-03 | 广东溢达纺织有限公司 | It unpacks device and its method of unpacking |
-
1994
- 1994-03-24 JP JP7639494A patent/JP2813299B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109703849A (en) * | 2019-02-22 | 2019-05-03 | 广东溢达纺织有限公司 | It unpacks device and its method of unpacking |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2813299B2 (en) | 1998-10-22 |
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