CN1099696A - Method of and apparatus for widening film - Google Patents
Method of and apparatus for widening film Download PDFInfo
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- CN1099696A CN1099696A CN 93116760 CN93116760A CN1099696A CN 1099696 A CN1099696 A CN 1099696A CN 93116760 CN93116760 CN 93116760 CN 93116760 A CN93116760 A CN 93116760A CN 1099696 A CN1099696 A CN 1099696A
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- belt
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Abstract
The present invention provides a kind of method for further widening the processed membrane-shape high molecular material into thin wall broad width film and the apparatus thereof, which consists of a pair of left and right first extending leather belts unit whose lower reaches side gap extending into a sector, and a second extending leather belts unit which contacts with the first extending leather belts unit by back contacting back each other. The elastic member is used to make the back of second extending leather belts unit press the back of the first extending leather belts unit. The formed holding face is utilized to hold separately the two end portions of membrane shape high molecular material and convey it to lower reaches for widening.
Description
The present invention relates to a kind of plastic film stock (in this specification, diaphragm is the popularity notion that fat comprises membranoid substance), for example agriculture that is used for making with (the PVC of ethene system; Polyvinyl chloride) the widening film method of diaphragm and implement the used device of this method.
The thermoplastic diaphragm for example is included in the agricultural the transparent ethene mesentery sheet (referring to the PVC diaphragm) that is coated on the top, floor for the greenhouse that forms artificial acceleration cultivation, or for preventing that weeds from having the black ethene mesentery sheet that lays on the field of vegetables etc. in kind.This kind ethene mesentery sheet, for example can utilize more toward the downstream sidewinder sub-width heal wide more than a calendering roller that up and down opposed shape disposes, make with the continous way operation.
Yet if when utilizing this kind device to make, device must be very big, and the price of manufacturing installation body also can become very high, and simultaneously, the space is set also must be bigger.
According to this situation, if equipment must be large-scale during investment, the cost of above-mentioned ethene mesentery sheet, also can rise greatly because of the rate of return on investment of equipment, so that this ethene mesentery sheet price itself also can improve for it, therefore, the diaphragm as using that agricultural is used etc. with running stores makes us really on price and can't accept.
In other words, as agricultural with waiting running stores use, must be cheap and can produce in a large number simply.
The present invention system has and waits the present situation exploitation person of forming in view of this, its purpose be to provide a kind of can inexpensive and simple mode, produce the widening film method of the macromolecule diaphragm of thin-walled wide cut such as ethene mesentery sheet in a large number, and the used device of this method of enforcement.
Further make the widening film method of the diaphragm of thin-walled wide cut by being processed into chaffy macromolecular material according to of the present invention being used for, in the method, setting makes its gap, downstream expand into fan-shaped and pair of right and left first stretching, extension belt dressing configuration, and setting contacts with the first stretching, extension belt dressing respectively and the opposed up and down second stretching, extension belt dressing in the contacted mode of belt back each other, the mode of utilizing elastic component that the relative first stretching, extension belt dressing of this second stretching, extension belt dressing is pushed mutually with belt back is each other pushed, and utilize above-mentioned be configured to pair of right and left first and second stretch belt dressing belt back each other, one side is the clamping both ends of being processed into the macromolecular material of membrane-like respectively, one side with its towards downstream side carry to carry out broadening.
In addition, in above-mentioned broadening method of the present invention, when the degree with broadening increases, or when carrying out broadening really, preferably to be based in first snap fastener that stretches the belt back of belt dressing, the end of being processed into the macromolecular material of membrane-like is engaged, carry out broadening with this state.
Widening film device of the present invention, be used for further making the diaphragm of thin-walled wide cut by being processed into chaffy macromolecular material, this broadening device comprises: its downstream is surveyed the gap and is expanded into fan-shaped and pair of right and left first stretching, extension belt dressing configuration, and stretch with first that belt dressing contact and the opposed up and down second stretching, extension belt dressing respectively in the contacted mode of belt back each other, this second stretching, extension belt dressing, stretch belt dressing by elastic component facing to first and push mutually, make belt back each other push mutually.
In addition, the broadening device of the invention described above, in order to obtain the diaphragm that broadening becomes any width, its gap expand into fan shape and the pair of right and left that disposes first stretches in the belt dressing each, preferably have can front end swinging axle be the structure that swing at the center, and its gap expands into this fan-shaped pair of right and left first and stretches the angle of cut that belt dressing formed, and preferably can adjust.
Moreover, in above-mentioned broadening device,, above-mentioned pair of right and left first is stretched between the swinging axle of each front end of belt dressing adjust person freely every forming for the width that makes the chaffy macromolecular material of being processed into of supply is processed into any width.
A mode according to this, broadening method and device according to the present invention, the gap, downstream expands into fan-shaped pair of right and left first and stretches belt dressing, stretch between the belt dressing with second of the shape configuration that stands facing each other up and down in the mode that contacts with belt back each other on these belts, if sandwich the words of the macromolecular material that is processed into membrane-like, under the state that is held at the macromolecular material two ends, walking with the work belt, this macromolecular material by broadening, and can further be processed into the membrane-like of thin-walled wide cut in the downstream.
Again, this broadening device is made of two first stretching, extension belt dressings and two second stretching, extension belt dressings, therefore can inexpensive mode constitute manufacturing installation.In addition, identical with the device of unusual high price as mentioned above, can make various diaphragms in large quantities.
Again, if the snap fastener of dashing forward and establishing by first belt back that stretches belt dressing, the end that will add the high sub-material of work diaphragm engages carries out broadening again, even the degree of broadening is big, also can positively make the two ends engaging, even the broadening degree is big, also harmless its reliability.
Again, in the above-mentioned broadening device, first of above-mentioned pair of right and left stretch between each front end swinging axle of belt dressing every, if form when adjusting freely, even the width difference that is processed into chaffy macromolecular material of supply also can give the processor.
The accompanying drawing drawing is simply described as follows:
Fig. 1 is the integrally-built side view of broadening device of one embodiment of the invention.
Fig. 2 is the approximate vertical view of the plan-position state of broadening device shown in Figure 1.
Fig. 3 is the local enlarged side view of structure of the drive pulley side of broadening device shown in Figure 1, and this figure is observed by Fig. 1 opposition side.
Fig. 4 is the view of I-I direction of arrow of Fig. 3.
Fig. 5 is the cutaway view of II-II line among Fig. 1 of structure of expression gear-box part.
Fig. 6 is the partial side view that the structure of the tail pulley side of broadening device shown in Figure 1 is amplified the back, is observed by Fig. 1 opposition side.
Fig. 7 is the view of Fig. 6 III-III line direction of arrow.
Fig. 8 is that the guiding mechanism of tail pulley side of broadening device shown in Figure 1 and the structure of drive part are amplified the vertical view of expression slightly, is the vertical view of belt package state of the stretching, extension belt dressing of left and right sides opposition side among Fig. 7.
Fig. 9 is that first of broadening device shown in Figure 1 stretches the belt of belt dressing and the V-shape belt of the second stretching, extension belt dressing, shows the key diagram of the state of clamping sheet macromolecular material.
Below, the broadening device of just relevant with embodiment of the invention macromolecule diaphragm (expanding device) is done the explanation of specifics.
Fig. 1 is the side view of the pith structure of broadening device, and Fig. 2 is the approximate vertical view of device shown in Figure 1.
In Fig. 1, A first stretches belt dressing, and B stretches on the belt dressing A first, second stretches belt dressing with what each other belt back (side face outside the belt) stood facing each other up and down that contacted mode disposes.As shown in Figure 2, this one first stretching, extension belt dressing A and second stretches belt dressing B, see it by the plane, respectively dispose a pair of about system, be located on the frame 6,5 that entrance side (among Fig. 2 left side) and downstream (right side among Fig. 2) face-off shape parallel to each other set, and be that the center can be by the parallel state in the left and right sides, be adjusted to the state that in the downstream its gap is fan widens with balance staff 15a, and first and second about this stretches between belt dressing A, the B every W
1, W
2Also can adjust.
Therefore, shown in Fig. 1 or Fig. 3,4, the drive pulley 1 of this first stretching, extension belt dressing A, be can with the gear-box 11 of output shaft 11a with this drive pulley 1 one-sided support, along the track 5a on the frame 5 in above-mentioned downstream, mobile freely at the length direction (vertical direction of the paper among Fig. 1 and 3) of this frame 5.Again, relevant this gear-box 11 moving on track 5a is with the female threaded hole with gear-box 11, is screwed together in respectively at position, both sides spiral shell and is set as the broadening of right-hand thread and left-hand thread each threaded portion with driving shaft 20A, when using driving shaft 20A with motor M this broadening
20AA direction rotation, each gear-box 11 about can making moves with the direction of leaving on the track 5a of frame 5, and feasible W at interval
2Enlarge, each gear-box 11 about broadening is in the opposite direction rotated with driving shaft 20A, can making in the opposite direction moves, and feasible W at interval
2Reduce for it.
Again, as shown in Figure 5, said gear case 11 be by: in other words an opposing parallel is equipped on track 5a(, frame 5) the power shaft 11b of keyway combination is made in rotation with driving shaft d, the one vertical axis 11d that is situated between and is connected with this power shaft 11b with a pair of bevel gear 11c, one be situated between with a pair of bevel gear 11c with state output shaft 11a on this vertical axis 11d is connected, the outer casing underpart 11B of the above-mentioned power shaft 11b of a maintenance, and the above-mentioned relatively outer casing underpart 11B of an above-mentioned vertical axis 11d of maintenance and output shaft 11a is with axle O
11The shell upper 11A that rotates freely by the center is constituted.About first stretch between the belt dressing A crack and be varied to when fan-shaped, power shaft 11b relatively is though the variation that output shaft 11a can oppose with the angle of its formation in the plane still can be rotated by often transmitting with the parallel power shaft 11b of driving shaft d with above-mentioned rotation.Again, above-mentioned rotation driving shaft d, its end is connected with motor Md.
Again, above-mentioned first stretches the entrance side (left side among Fig. 1) of belt dressing A, shown in Fig. 1 and Fig. 6-8, dispose tail pulley 2, this tail pulley 2 is to be situated between with supporting axis 17, rotation prop up freely be held in broadening with driving shaft 20B on movably on the support metalwork 15 of configuration.This one supports under metalwork 15 on the 15B, be formed with the resistance screwed hole, above-mentioned broadening is used the position, both sides of driving shaft 20B, and spiral shell is provided with right-hand thread and left-hand thread, on this right-hand thread and the left-hand thread part, respectively for the female threaded hole part that screws togather above-mentioned support metalwork 15.Again, this broadening driving shaft 20B as shown in Figure 8, is to be situated between bearing 8 with parallel with frame 6, and rotation is propped up on this frame 6 that is held in entrance side freely, and this broadening driving shaft 20B depends on a motor M in the setting of one end
20BAnd it is rotatable.
Through this broadening rotate to a direction with driving shaft 20B, about the metalwork 15 of respectively supporting can on the track 6a of frame 6, move towards approaching direction, make interval W
1Narrow down; Through this broadening is in the opposite direction rotated with driving shaft 20B, about the metalwork 15 of respectively supporting can move in the opposite direction, make W at interval
1Enlarge.Again, shown in Fig. 1 or Fig. 6-8, this support metalwork 15 be by bottom 15B and relatively this bottom 15B rotate freely by the center with swinging axle 15a connect (swinging freely) on 15A constituted, relative to keeping 15B under moving equally with the rotation of driving shaft 20B because of broadening, 15A on the tail belt pulley 2 is supported in rotation freely, be relative first stretch belt dressing A can keep identical towards.
Again, as shown in Figure 1, first stretches on the belt dressing A and states between drive pulley 1 and the tail pulley 2, disposes curved belt wheel 3, and in Fig. 1 the idler 4 of a left side below oblique.The side is connected with the counterweight 7 that tensioning is used under this idler 4.
Again, as Fig. 1 or shown in Figure 3, device frame 13 is by the gear-box 11 that is equipped with above-mentioned drive pulley 1, and being situated between extends in tail pulley 2 sides with carriage 12.As Fig. 1 or shown in Figure 6, tail pulley 2 sides of this device frame 13 are equipped with two coupling member 14A, the 14Bs of Jie with the interval.Among each through hole 14a, 14b of this two coupling member 14A, 14B, intercalation sliding freely has the rear end of the bar 16 of particle size, and end is to be fixed on the above-mentioned support metalwork 15 before this bar 16.
Therefore, as shown in Figure 2, the distance that above-mentioned drive pulley 1 and tail pulley are 2, in other words, first stretches the captain L of belt dressing A, about first when stretching belt dressing A and becoming the gap to be expanded into fan-shaped state in the downstream by parallel state variation, cooperate its variation, but the slip of the bar 16 of the above-mentioned relatively frame 13 of mat, and change.Again, above-mentioned idler 4 is can cooperate the variation of above-mentioned captain L to move up and down and adjust strap length, no matter the variation of captain L, but mat counterweight 7 often invests certain tension force to belt 21.
In addition,, on the above-mentioned frame 13, between drive pulley 1 and tail pulley 2, be situated between, be equipped with to be more than the row shape and support with belt pulley 18 with supporting axis 19 as Fig. 1 or shown in Figure 2.On these each belt pulleys 1,2,3,4,18, be formed with the V-type ditch.
Between above-mentioned each belt pulley 1,2,3,4,18, package has the belt 21 of endless (ring-type).As shown in Figure 5, this belt 21 is in order to prevent that it from crawling and by coming off on the belt pulley, its bottom has the projection 21a that section is a V-arrangement.Again, on this belt 21, as Fig. 5 or shown in Figure 9, in order to engage the diaphragm outer end, end outside the belt back at the length direction of belt, is equipped with the bolt of being fixed by nut 23 22 at certain intervals, and the round end 22a system of these bolts 22 makes standing shape.In other words, in present embodiment, the round end 22a of these bolts 22 system forms snap fastener.
In addition, shown in Fig. 1-5, on above-mentioned each first stretching, extension belt dressing A, be equipped with second of the shape that stands facing each other up and down respectively and stretch belt dressing B, the belt back of two devices is mutual butt joints.
This one second stretching, extension belt dressing B, as shown in Figure 1, two ends have head pulley 31 and tail pulley 32, these head pulley 31 and tail pulley 32, be respectively to be situated between with supporting axis 33 or supporting axis 34, rotation is disposed on the above-mentioned frame 13 freely.Again, end central authorities on this second stretching, extension belt dressing B, be equipped with a tension strap wheel 37 that V-shape belt 35 is invested tension force, the lower end is equipped with pushes belt pulley 36 more than V-shape belt 35 pushed towards the below, these push belt pulley 36 is opposed about in the of 18 with the support belt pulley of the above-mentioned first stretching, extension belt dressing A, becomes a row shape.
Above-mentioned each belt pulley 31,32,34,36 has the V-type ditch, and in this V-type ditch, as Fig. 1 or shown in Figure 5, package has the V-shape belt 35 of endless (ring-type).
In addition, the above-mentioned belt pulley 36 of pushing, its adjacent two, as Fig. 3,4 or Fig. 6,7 shown in, be to be mounted on the installation metalwork 40 of band plate-like, one metalwork 40 is installed is to rotate to be installed on freely on the supporting axis 39 for this, and this supporting axis 39 is to be installed on the arm 38a front end that bends to crank-like that the axle 38 by bell crank metalwork 37 radially extends.One of above-mentioned bell crank metalwork 37 end 37a, as Fig. 3, shown in Figure 6, be to pull to frame 13 sides with spring 43, on the other hand, the other end 37b of bell crank metalwork 37, shown in Fig. 3,4,6,7, be to be accessibly connected the mode of the pin 41 that is set on the bar 44, to enter in this connecting rod 44.Again, as shown in Figure 3, connecting rod 44 is to be situated between to be incorporated into one of connection 46 end with spacer 45 with pin, and the other end of this connecting rod 47 is to be linked near the pivot 47 of bar 42.Again, as shown in Figure 3, through with this bar 42 in arrow directions X operation, pin 41 will with bell crank metalwork 37 other end 37b butts, make this bell crank metalwork 37 press arrow Y direction and rotate, and resisting spring 43 to pull on the above-mentioned belt pulley 36 of pushing towards the top.Moreover, with with the operation of the arrow directions X of above-mentioned bar 42, will remove with contacting of pin 41, so, elastic force through spring 43, bell crank metalwork 37 will be that rotate in arrow R direction at the center with supporting axis 38, will push belt pulley 36 and press to the below, promptly presses to support belt pulley 18 sides of the first stretching, extension belt dressing A.Again, through this one second stretch belt dressing B push belt pulley 36, be pressed towards support belt pulley 18 sides of the first stretching, extension belt dressing A, can clamp the end of membrane-like macromolecular material, simultaneously, power also can be passed to second by this first stretching, extension belt dressing A and stretch belt dressing B, makes belt 21 and belt 35 to walk with speed.
A mode according to this has the broadening device of the present invention of said structure, can move in the following manner, carries out the broadening of macromolecular material.Below, the action and the broadening method of broadening device of the present invention illustrated it.
In specific words, as shown in Figure 2, at first with motor M
20BBroadening is rotated with driving shaft 20B, by this, cooperates the calendering roller and the diaphragm width of the membrane-like macromolecular material that goes out, with between the support metalwork 15 of entrance side every W
1Adjust.Then, utilize said motor M
20ABroadening is rotated with driving shaft 20A, according to this, cooperates the interval W of gear-box 11 in the whole downstream of broadening size adjustable of desired diaphragm
2
This one adjusts, and in the broadening device of present embodiment, is reached by the thread mechanism that position, both sides spiral shell is provided with right-hand thread and left-hand thread, and therefore, the machine center line 0(of broadening device sees also Fig. 2 relatively) frequent formation is fan-shaped as object.Again, because expanding into the angle of cut α (the 2nd figure) that stretches belt dressing (first stretches belt dressing and second stretches belt dressing) about fan-shaped in the downstream, the gap will change, therefore, and as shown in Figure 2, the captain L of the first elongating belt device A also can change, but, in this broadening device, as mentioned above, because bar 16 can install frame 13 relatively and slide relatively, and tension rollers 4 can resist the weight of counterweight 7 to rise, and therefore, need not operate or adjust can be corresponding.
Again, a mode is adjusted at the end according to this, as shown in Figure 3, bar 42 is being operated in the arrow directions X and will push under the belt pulley 36 acts state upward, except can start switch opens (ON) with the broadening device, to be supplied to first simultaneously by the end of the membrane-like macromolecular material that comes out of calendering roller when stretching the entrance side of belt dressing A, macromolecular material can be transported to the downstream, be transported to first belt 21,35 back side each other of stretching belt dressing A and the second stretching, extension belt dressing B, promptly between two belt back.Under this state, if bar 42 is pressed contrary operation (X is reverse with arrow), as shown in Figure 1, if make the power of spring 43 be used to push belt pulley 36, it is mobile downwards with the elastic force of membership spring 43 then to push belt pulley 36, and is situated between with belt 21,35 macromolecular material F clamping (seeing also Fig. 9).Then, if further be transported to the downstream,, therefore, can be processed into desired broadening size in the downstream because the gap of the stretching, extension belt dressing about the downstream is configured to do fan-shaped expansion with this state.
Add man-hour in above-mentioned broadening, because second roller 36 of pushing that stretches belt dressing B is pressed towards the below by spring 43, and expose the round end that bolt 22 is arranged on belt 21 surfaces of the first stretching, extension belt dressing A side, therefore, as shown in Figure 9, the macromolecular material F of membrane-like can be sticked between each belt 21,35 surface of the first stretching, extension belt dressing A and the second stretching, extension belt dressing B, in other words in the clamping of strong ground.Between each belt back of belt 21,35, be held engaging strongly.
According to the broadening device of present embodiment, can be simply with the interval W of the entrance side of broadening device
1, and the gap expands into the angle of cut α that stretches belt dressing about fan-shaped, the center O of broadening device relatively in the downstream
1Adjust according to object, therefore, even when making the macromolecule diaphragm of broadening size difference, also can be easily in response to.
In addition, in the foregoing description, about first stretch belt dressing angle of cut α and about stretch the interval W of belt dressing entrance side
1Be to form the state that can adjust, therefore, for only broadening is to the broadening device of certain width, this kind guiding mechanism need not be provided with, and therefore, structure can become merely, undoubtedly, can be made at an easy rate.
Again, the foregoing description is the type that drives the first stretching, extension belt dressing, the second stretching, extension belt dressing is driven, but also can make the first stretching, extension belt dressing and second stretch belt dressing drives together, make its driven in synchronism with syncmotor, or by a motor power bifurcated is driven, make belt and V-shape belt walking with identical speed.
Moreover, be supplied to the membrane-like macromolecular material of the entrance side of the first stretching, extension belt dressing A by the calendering roller, generally speaking its temperature is higher, but therefore give to original state broadening, but, also can be according to the kind of macromolecular material or said temperature etc., on above-mentioned broadening device, set towards heater of diaphragm face or the like in response to necessity.
Broadening method and device according to the present invention are to stretch belt dressing and two second stretching, extension belt dressings by two first basically, can carry out broadening simply, therefore, can make at an easy rate, and can constitute manufacturing installation extremely inexpensively.Moreover, as mentioned above, can be identical with the manufacturing installation of high valency, carry out the manufacturing of various diaphragms.
Therefore, can be with the thin-walled wide cut macromolecule diaphragm of ethene mesentery sheet etc., as the running stores of agricultural with grades, simultaneously can cheap and production in a large number simply.
Claims (4)
1, a kind of being used for further made the widening film method of the diaphragm of thin-walled wide cut by being processed into chaffy macromolecular material, it is characterized in that: in the method, setting makes its gap, downstream expand into fan-shaped and pair of right and left first stretching, extension belt dressing configuration, and setting contacts with the first stretching, extension belt dressing respectively and the opposed up and down second stretching, extension belt dressing in the contacted mode of belt back each other, the mode of utilizing elastic component that the relative first stretching, extension belt dressing of this second stretching, extension belt dressing is pushed mutually with belt back is each other pushed, and utilize above-mentioned be configured to pair of right and left first and second stretch belt dressing belt back each other, one side is the clamping both ends of being processed into the macromolecular material of membrane-like respectively, one side with its towards downstream side carry to carry out broadening.
2, widening film method according to claim 1 is characterized in that: utilize the snap fastener of the belt back that is based in the first stretching, extension belt dressing, the end of being processed into the macromolecular material of membrane-like is engaged to carry out broadening.
3, a kind of widening film device, be used for further making the diaphragm of thin-walled wide cut by being processed into chaffy macromolecular material, it is characterized in that this broadening device comprises: its downstream is surveyed the gap and is expanded into fan-shaped and pair of right and left first stretching, extension belt dressing configuration, and stretch with first that belt dressing contact and the opposed up and down second stretching, extension belt dressing respectively in the contacted mode of belt back each other, this second stretching, extension belt dressing, stretch belt dressing by elastic component facing to first and push mutually, make belt back each other push mutually.
4, widening film device according to claim 3, it is characterized in that: each that above-mentioned pair of right and left first stretches in the belt dressing, have can front end swinging axle be the structure that swing at the center, and its gap expands into first of this fan-shaped pair of right and left and stretches the angle of cut that belt dressing formed and can adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93116760A CN1048680C (en) | 1993-09-01 | 1993-09-01 | Method of and apparatus for widening film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93116760A CN1048680C (en) | 1993-09-01 | 1993-09-01 | Method of and apparatus for widening film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1099696A true CN1099696A (en) | 1995-03-08 |
| CN1048680C CN1048680C (en) | 2000-01-26 |
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ID=4991733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93116760A Expired - Fee Related CN1048680C (en) | 1993-09-01 | 1993-09-01 | Method of and apparatus for widening film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1048680C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101396804B (en) * | 2008-11-05 | 2010-06-09 | 南通星维油泵油嘴有限公司 | Deburring method and device of steps inner-holes |
| CN102015253A (en) * | 2008-04-30 | 2011-04-13 | 林道尔.多尼尔有限责任公司 | Apparatus for stretching film webs transversely |
| CN107826842A (en) * | 2017-12-02 | 2018-03-23 | 佛山市高明区业臻设备有限公司 | A kind of film amplitude-expanding device |
| CN111070718A (en) * | 2018-10-19 | 2020-04-28 | 彩扬塑胶工业股份有限公司 | Method and device for manufacturing embossed adhesive tapes with various widths |
| US11251115B1 (en) | 2020-09-18 | 2022-02-15 | Industrial Technology Research Institute | Redistribution structure and forming method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3261903A (en) * | 1963-07-02 | 1966-07-19 | Goodyear Tire & Rubber | Method and apparatus for film stretching |
-
1993
- 1993-09-01 CN CN93116760A patent/CN1048680C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102015253A (en) * | 2008-04-30 | 2011-04-13 | 林道尔.多尼尔有限责任公司 | Apparatus for stretching film webs transversely |
| CN101396804B (en) * | 2008-11-05 | 2010-06-09 | 南通星维油泵油嘴有限公司 | Deburring method and device of steps inner-holes |
| CN107826842A (en) * | 2017-12-02 | 2018-03-23 | 佛山市高明区业臻设备有限公司 | A kind of film amplitude-expanding device |
| CN111070718A (en) * | 2018-10-19 | 2020-04-28 | 彩扬塑胶工业股份有限公司 | Method and device for manufacturing embossed adhesive tapes with various widths |
| US11251115B1 (en) | 2020-09-18 | 2022-02-15 | Industrial Technology Research Institute | Redistribution structure and forming method thereof |
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| Publication number | Publication date |
|---|---|
| CN1048680C (en) | 2000-01-26 |
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