EP0329686B1 - A process and device for feeding a thin binder impregnated uncured primary web of mineral wool onto a receiving conveyor - Google Patents

A process and device for feeding a thin binder impregnated uncured primary web of mineral wool onto a receiving conveyor Download PDF

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Publication number
EP0329686B1
EP0329686B1 EP87907241A EP87907241A EP0329686B1 EP 0329686 B1 EP0329686 B1 EP 0329686B1 EP 87907241 A EP87907241 A EP 87907241A EP 87907241 A EP87907241 A EP 87907241A EP 0329686 B1 EP0329686 B1 EP 0329686B1
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EP
European Patent Office
Prior art keywords
pendulum
conveyor
motion
output end
primary web
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
Application number
EP87907241A
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German (de)
English (en)
French (fr)
Other versions
EP0329686A1 (en
Inventor
Henning John Emil Lauren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Partek Oy AB
Original Assignee
Partek Oy AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Partek Oy AB filed Critical Partek Oy AB
Priority to AT87907241T priority Critical patent/ATE76035T1/de
Publication of EP0329686A1 publication Critical patent/EP0329686A1/en
Application granted granted Critical
Publication of EP0329686B1 publication Critical patent/EP0329686B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
    • B65H45/107—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by means of swinging or reciprocating guide bars
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)

Definitions

  • the present invention relates to a process for feeding a thin binder impregnated uncured mineral wool web on a receiving conveyor and to a device for carrying out the process according to the preamble of claims 1 and 9.
  • the speed of the primary web as well as that of its conveying devices has to be high. Normally, the speed of the primary web is over 100 m/min, however, the mean weight of the primary web being as low as 100 to 200 g/m2, an even higher speed is required to keep the capacity at the desired level.
  • This primary web is then folded to a final, so-called secondary web of desired width and thickness.
  • the turning points are highest above the receiving conveyor, and the lower dead point of the pendulum is closest to the receiving conveyor.
  • the output rate of the pendulum conveyors should increase, but this is not feasible with known devices.
  • a high speed pendulum conveyor that feeds out a light web and has a high pendulum frequency, yields an inexact laying of the primary web.
  • a pendulum conveyor driven in a known manner be a connecting rod, and oscillating along a circular arc, imparts a speed to the output end of the conveyor that is maximal when the pendulum is in the middle position and decreases sinusoidally to zero at the turning point, from where a sinusoidal acceleration recurs.
  • That output end of such a pendulum conveyor must, in its lowest position, by ca 0.2 times the output width, (normally 2 m) above the out-fed mineral wool web, to allow the primary web to be deposited in a uniform layer on the receiving conveyor without being stretched.
  • the distance between the pendulum and the receiving conveyor being that long (up to 40 cm and more), the web fed out will get uneven edges.
  • the output rate being c. 130 m/min, the irregularities of the secondary web formed will be ca +/- 5% of the output width. This signifies that the secondary web must be made correspondingly larger to achieve a faultless web of the desired width, since the undesired material has to be cut off. This means a great loss of material.
  • Pendulum output mechanisms in which the folding process is carried out by continuously feeding out the primary web at a constant height above the support, are also known e.g. from US-A-3222730.
  • An articulation system is provided for maintaining the output end of the pendulum mechanism at a constant height above the receiving conveyor, and the to and fro motion is obtained by a chain/connecting rod-mechanism.
  • the speed profile of the oscillating motion has a constant speed period in the middle and a sinoidal retardation and acceleration phase in each end position.
  • the pendulum must be rapidly retarded and accelerated in the end positions for the pendulum motion to correspond to the output amount of the primary web per unit of time, causing great strains in the mechanical constructions. Consequently, the mechanism can be used only at output rates below ca 100 m/min.
  • Another drawback with pendulum mechanisms having a high pendulum frequency is the strong air turbulence generated by the rapid to and fro motion of a pendulum mechanism having a large surface. The air flows disturb the depositing of the thin primary web on to the bed.
  • Pendulum mechanisms for feeding thin primary webs in overlapping layers on a receiving conveyor are thus previously known. However, they all present considerable drawbacks; the edges of the final web are uneven causing great loss of material, the speeds are too low to fulfil the capacity requirement, the retardation and acceleration forces are great, causing great mechanical stress in the constructions; the problem of air flows jeopardizes the deposition of the primary web.
  • the purpose of the present invention is to reduce or totally eliminate these drawbacks, and especially to obtain an exact laying-out with even edges and a web with high homogeneity, and this has been achieved by providing a method and a device, of which the main characteristics are presented in claims 1 and 6.
  • a prior known drive system is used, imparting to the oscillating pendulum conveyor, called pendulum from now on, a constant rate of motion in the middle of the pendulum motion and a sinusoidally decreasing or increasing speed in the end parts of the pendulum motion.
  • the period of constant speed may extend over 30 to 60%, preferably 50% of the entire pendulum swing.
  • the constant speed of the pendulum in the middle part of the stroke equals totally or nearly totally the output rate of the primary web. This enables the pendulum to be disposed closer to the receiving surface, at about half the distance allowed by conventional crank drive, thus ensuring considerably better deposit and fixation of the primary web on the receiving conveyor.
  • the pendulum is driven at a sinusoidally decreasing or increasing rate, while the pendulum continues its pendulum motion. At least during part of the motion at a decreasing or increasing rate in the extreme positions of the pendulum swing, the output end of the pendulum is arranged to rise in the final phase of the pendulum motion and to sink in the initial phase. Due to the changing of the height of the pendulum in the retardation or the acceleration phase, potential energy is stored and discharged respectively. This results in less stress forces on the mechanism than those generated when the output end of the pendulum describes a horizontal path over the entire pendulum swing.
  • the pendulum motion consisting of a middle part with a constant speed and two outer parts with retarding and accelerating speeds, respectively, is appropriately produced by means of an endless drive chain running over two coplanar interspaced chain wheels, whereby a connecting rod connects the pendulum with a carrier on the drive chain.
  • the centre distance of the chain wheels corresponds to the portion of the pendulum motion having a constant speed and half the circumference of each wheel corresponds to the pendulum motion having decreasing and increasing speed.
  • the pendulum motion speed is decreasing when the carrier moves over the first quarter of the circumference, then increasing when moving over the following quarter of the circumference, then moving with constant speed over the distance between the midpoints of the chain wheels, and again with decreasing speed and after that with increasing speed over the two quarters of the circumference of the second chain wheel.
  • the pendulum motion consisting of a central portion having constant speed and two extreme portions having decreasing and increasing speed may also be produced by means of a so-called Ferguson gear, in which the rotary motion is transmitted by elliptical gear wheels.
  • the output end of the pendulum may be guided to move along differently shaped paths during the pendulum motion.
  • the most simple embodiment is an arched trajectory, whereby the pendulum swings around a stationary bearing point.
  • the pendulum operates with great accuracy at output rates of ca 200 m/min. This is enabled due to the fact that the output end of the pendulum may strike very close to the receiving conveyor, and closest thereto at the midpoint of the swing.
  • the fed out primary web can then be immediately fixed into the underlying folded wool web and thus remains undisturbed by the air flows caused by the pendulum motion.
  • the lower end of the pendulum rises ca 0.1 times the output width, i.e. appr.
  • the pendulum may be relatively short, ca, 0.7 to 1.0 times the output width, i.e. ca 140 to 200 cm, which results in lower moments of inertia and smaller stresses in the driving device. The air flow disturbances are also reduced by a shorter pendulum.
  • the pendulum may be adjusted to stroke at its closest point only 5 to 10 cm above the receiving conveyor and thus to fix almost immediately the fed out web into the central area of the trajectory. This results in a wool web having very even edges.
  • the pendulum rises c. 12%, i.e. 24 cm, in the extreme positions.
  • the pendulum and its output end are made to move horizontally at a constant height above the receiving conveyor in the central zone of the pendulum swing and to rise above this in the outmost positions.
  • the rising motion may be started at any point after the mid-point of the pendulum motion, but at the latest during the retardation phase of the pendulum motion.
  • the primary web which is fed out from the output end of the pendulum at a constant rate, thus gets enough space under the raising output end which at the same time moves at a lower rate in relation to the receiving conveyor than the primary web.
  • the rising motion thus starts, at the earliest, immediately after the mid-point of the pendulum motion, the pendulum and its output end then describing a continuous arched line. At the latest, it starts at such a point before the extreme position of the pendulum swing that enough space is formed under the rising pendulum for the accumulating loop to settle under control and to form an even edge during the reverse motion.
  • the locus of movement of th output end may be linearly rising, an arc of a circle or progressively arched or some of various combinations of these.
  • the pendulum By means of various guide devices the pendulum, especially its output end, is forced to deviate from the natural pendulum motion having a circular output path. At the moment a deviation from the natural pendulum motion occurs, the oscillating point of the pendulum must be vertically moved or the swinging radius of the output end changed.
  • an arm is mounted pivotally in the pendulum from its one end and outside the pendulum from its other end, thus forcing the pendulum to describe an essentially horizontal path.
  • the oscillating point of the pendulum sinks/rises.
  • the oscillating point is arranged to reach a stop or else to stop in the position where the pendulum is to go over to a rising motion.
  • the pivotal mounting of the arm in the pendulum is arranged to enable the pendulum to oscillate with regard to the arm at the rising/sinking stage, e.g. by means of fork bearings.
  • a spring may appropriately be disposed between the connecting rod top of the pendulum and the arm guiding the height position of the pendulum, whereby the acceleration and retardation forces are partly equilibrated in the extreme positions of the pendulum.
  • the motion of the pendulum may also be guided by e.g. a fixed guide disposed symmetrically with regard to the central axis along which a wheel mounted in the pendulum or a sliding body is arranged to move.
  • the output feeding path of the output end will then correspond to the shape of the guide.
  • the height of the guide above the output end is determined by the optimization of geometry and mass forces.
  • the oscillating point of the pendulum may alternatively be stationary while the output end is radially movable in relation to the oscillating point.
  • the right side of the Figure shows the case (A), in which the pendulum both during the period at a constant speed and the period at a retarded and an accelerated speed oscillates around the point P, which is stationary, the output end thus describing a circular arc.
  • the pendulum is driven by the device D by means of a chain having a constant speed.
  • a connecting rod V is mounted on bearings on a carrier to the drive chain at the point T and to the pendulum mechanism at the point K A .
  • the points I to XII have been marked, whereby the points I and VII indicate the mid position of the pendulum, the points IV and X the extreme positions of the pendulum and the points XII and II or VI and VIII the limits of the area having a constant speed.
  • the pendulum is suspended from the oscillating axis P and the position of the output end is indicated by the number I (a). From I to II the connecting rod moves at a constant speed and the output end describes a circular arc, since the oscillating axis P is stationary.
  • the pendulum moves with decreasing speed, changes the direction of motion at the point 4, moves from IV to VI with increasing speed and from VI to VII at a constant speed, while the output end describes a rising or a sinking circular arc.
  • the points III and V or II and VI deviate somewhat from each other, which appears from the rough drawing.
  • the pendulum rises in the extreme position IV by ca 24 cm, which also appears from the Figure drawn to the scale 1:10, and a controlled loop of the primary web is formed at the turning point.
  • the fed out primary web is rapidly fixed to the web on the receiving conveyor, which also appears from the rough drawing.
  • the motion of the pendulum from the point VII to I is the reverse image of the motion between the points I and VII, and is however not represented.
  • FIG. 1 shows the case (B) in which the output end of the pendulum during the period of constant speed moves at a constant height above the receiving conveyor S B , and during the period of retarded and accelerated motion moves along a circular path.
  • point VII the oscillating point of the pendulum is at P′ but sinks to the point P during the drive motion up to point VIII, whereby the output end moves along a horizontal line.
  • no means is disclosed for guiding the pendulum axis P to P′ during the movement of the connecting rod end T from position VII to VIII.
  • the oscillating point P is kept stationary and the output end describes a circular arc.
  • the receiving conveyor S B us situated higher than in case A, because the oscillating point of the pendulum is placed higher in the mid-position in case B.
  • the pendulum rises in its extreme position by ca 16 cm, which appears from the Figure.
  • the looping is well controlled also in this case due to the short distance of the primary web to the bed particularly over the distances VII-VIII and XII-I and to the synchronization between the output rate and the oscillating rate of the output end over these distances.
  • Figures 2 and 3 show the pendulum part of a machine for producing mineral wool web and the associated drive mechanism.
  • the receiving conveyor of the primary web is marked with 1, the associated pendulum conveyor with 2, the two opposite conveyors of the pendulum with 2a and 2b and conducting rollers in the output end with 3a and 3b.
  • the receiving conveyor is marked with 4, the drive mechanism with 5, the two wheels of the drive mechanism with 5a and 5b and the connecting rod with 6.
  • the parts 1 to 6 correspond mutually in the Figures 2 and 3 and have thus been marked with the same numbers.
  • the primary web When producing a mineral wool web, the primary web is fed out on its receiving conveyor 1 and runs further between the conveyors 2a and 2b into the pendulum mechanism 2, and is fed out at the output end 10.
  • the pendulum swings to and fro while the primary web is being fed out between the conducting rollers 3a and 3b.
  • the connecting rod moves between the drive wheels 5a and 5b, the distance b1, the wheel 7 has a constant rate of motion and simultaneously moves over the plane portion of the guide 9, whereby the conducting rolls 3a and 3b cover the distance B1 at a constant height above the receiving conveyor.
  • the wheel 7 moves over the upwardly bent end of the guide 9, whereby the output end of the pendulum describes a corresponding arched path over the distance B2.
  • the curvature of the guide 9 and its length in relation to the horizontal moving distance are determined by the desired kinematic geometry.
  • the starting point of the curvature of the guide coincides with the point where the moving speed of the connecting rod 6 changes from constant speed to decreased speed. This can be read from Figure 2, where the end T of the connecting rod is in position II, see Figure 1, where the constant speed of the pendulum changes to a decreased speed, at the same time as the wheel 7 is at the point where the horizontal part of the guide becomes arcuated.
  • the oscillating point 22 of the pendulum is displaceable along the line of the midline at the pendulum motion and the receiving conveyor 1 of the primary web is pivotally mounted in order to be able to follow vertically the motion of the input end of the pendulum.
  • Figure 3 shows another preferred embodiment of the device of the invention.
  • the lower end of an arm 20 is pivotally fixed outside the pendulum on the midline of the oscillating motion, and its upper end is mounted on forkbearings to the bearing point 8 of the connecting rod 6 on the pendulum.
  • the bearing point 8 is disposed to move in the fork 21 at the upper end of the arm.
  • the oscillating point 22 of the pendulum is vertically displaceable along the midline of the motion and the receiving conveyor 1 of the primary web is pivotally mounted on bearings by articulation in order to be able to follow the movements of the pendulum vertically, likewise as in the preceding case.
  • the pendulum As the connecting rod moves over the horizontal area between the drive wheels the pendulum is drawn into an angular position while the oscillating point moves downwards until it reaches a stop 23 at the end of the constant speed period.
  • the stop limits the vertical movement of the oscillating axis further upwards and the pendulum is forced to swing around the oscillating point P fixed by now.
  • the connection point 8 between the connecting rod 6 and said arm 20 is displaced upwards in the fork 21 and thus does not prevent the pendulum from rising along an arched line.
  • the pendulum swings down and the output end 10 describes the same arched line, while the connection point 8 is simultaneously displaced towards the bottom of the fork 21. The same motion is repeated in the opposite direction.
  • inventions of Figures 2 and 3 each show a pendulum motion composed so that the horizontal or essentially horizontal output motion coincides with the phase having a constant speed and the rising or sinking motion coincides with the phase having retarded or accelerated speed.
  • the controlled feeding path of the output end deviating from the natural arcuate feeding path, as disclosed in Figure 1(A), may of course be adjusted to start at any point during the period of constant speed b1 or the period of retarding or accelerating motion b2, as described above.
  • the width of the mineral wool web as fed on to the receiving conveyor is marked with W.
  • the projections of the movement distances B1 and B2 of the output end 10 of the pendulum conveyor are marked with B 1P and B 2P respectively.
  • the total pendulum stroke which is called pendulum width B, is composed of the partial projections B 2P , B 1P and B 2P .
  • the retardation and acceleration forces are less than in prior used methods, partly due to the rising motion at the sides of the output and partly due to a smaller pendulum having less mass.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Advancing Webs (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Jigging Conveyors (AREA)
  • Paper (AREA)
  • Reinforced Plastic Materials (AREA)
  • Structure Of Belt Conveyors (AREA)
EP87907241A 1986-10-31 1987-10-29 A process and device for feeding a thin binder impregnated uncured primary web of mineral wool onto a receiving conveyor Expired - Lifetime EP0329686B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87907241T ATE76035T1 (de) 1986-10-31 1987-10-29 Verfahren und vorrichtung zum zufuehren einer duennen, mit einem bindemittel durchtraenkten grundstoffbahn aus mineralwolle auf einen aufnahmefoerderer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI864452 1986-10-31
FI864452A FI83674C (sv) 1986-10-31 1986-10-31 Förfarande och anordning för utläggning av tunn bindemedelsimpregnerad ohärdad primärbana av mineralull på en mottagningstransportör

Publications (2)

Publication Number Publication Date
EP0329686A1 EP0329686A1 (en) 1989-08-30
EP0329686B1 true EP0329686B1 (en) 1992-05-13

Family

ID=8523427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87907241A Expired - Lifetime EP0329686B1 (en) 1986-10-31 1987-10-29 A process and device for feeding a thin binder impregnated uncured primary web of mineral wool onto a receiving conveyor

Country Status (13)

Country Link
EP (1) EP0329686B1 (hu)
JP (1) JPH02500737A (hu)
KR (1) KR890700106A (hu)
CN (1) CN1009911B (hu)
AU (1) AU607169B2 (hu)
BG (1) BG50603A3 (hu)
CA (1) CA1289981C (hu)
FI (1) FI83674C (hu)
HU (1) HUT49826A (hu)
PL (1) PL158611B1 (hu)
RO (1) RO104627B1 (hu)
RU (1) RU1831533C (hu)
WO (1) WO1988003121A1 (hu)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI76597C (sv) * 1986-11-12 1988-11-10 Partek Ab Förfarande vid utläggning av mineralullbanas primärbana med hjälp av p endeltransportör på en mottagartransportör och arrangemang vid sådan p endeltransportör
US5065992A (en) * 1990-06-07 1991-11-19 Roll Systems, Inc. Method for processing web material
US5087023A (en) * 1990-08-23 1992-02-11 The Standard Register Company Apparatus and method for folding separated forms in a stack
US5558318A (en) * 1991-01-15 1996-09-24 Roll Systems, Inc. Separator for forming discrete stacks of folded web
DE4127172C2 (de) * 1991-08-16 1995-02-02 Heraklith Baustoffe Ag Vorrichtung zum Aufbringen von Vlies, insbesondere Mineralwollevlies, auf ein Auflageband
JP2643778B2 (ja) * 1993-06-21 1997-08-20 産栄機設株式会社 集綿マットの製造方法およびその製造装置
DE102005044772A1 (de) * 2004-10-07 2006-04-13 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Verfahren und Vorrichtung zur Herstellung eines Dämmstoffelementes aus Fasern
CN100414017C (zh) * 2005-04-04 2008-08-27 北新集团建材股份有限公司 摆锤式输送机
CN102923519A (zh) * 2012-11-13 2013-02-13 江苏海大印染机械有限公司 一种改进的摆布机构
CN105217365B (zh) * 2015-10-10 2017-12-12 中材科技股份有限公司 一种布棉摆锤机及其均匀性补偿方法
RU2618331C1 (ru) * 2015-12-11 2017-05-03 федеральное государственное автономное образовательное учреждение высшего образования "Южно-Уральский государственный университет" (национальный исследовательский университет) (ФГАОУ ВО "ЮУрГУ" (НИУ)) Маятниковый раскладчик
FR3064938A1 (fr) * 2017-04-07 2018-10-12 Compagnie Generale Des Etablissements Michelin L'empilage de nappes de melange de caoutchouc
CN207209559U (zh) * 2017-07-13 2018-04-10 南通天福机械有限公司 水平工作岩棉摆锤式布棉机
CN108584524A (zh) * 2018-04-28 2018-09-28 王传祥 一种幕布自动折叠设备
CN109969853B (zh) * 2019-04-03 2021-01-26 广州市兴世机械制造有限公司 一种带材用的在线裁切剔废方法
WO2021141546A1 (en) 2020-01-10 2021-07-15 Izoteh D.O.O. Pendulum folder for foldable material folding

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL285404A (hu) * 1961-11-13 1900-01-01
SE452041B (sv) * 1984-07-03 1987-11-09 Rockwool Ab Forfarande och anordning for framstellning av produkter av mineralull
FI76597C (sv) * 1986-11-12 1988-11-10 Partek Ab Förfarande vid utläggning av mineralullbanas primärbana med hjälp av p endeltransportör på en mottagartransportör och arrangemang vid sådan p endeltransportör

Also Published As

Publication number Publication date
RU1831533C (ru) 1993-07-30
FI83674B (fi) 1991-04-30
CN87107553A (zh) 1988-05-11
JPH02500737A (ja) 1990-03-15
PL268494A1 (en) 1988-07-21
EP0329686A1 (en) 1989-08-30
BG50603A3 (en) 1992-09-15
WO1988003121A1 (en) 1988-05-05
FI83674C (sv) 1991-08-12
RO104627B1 (en) 1995-03-01
FI864452A0 (fi) 1986-10-31
PL158611B1 (pl) 1992-09-30
AU8174587A (en) 1988-05-25
FI864452A (fi) 1988-05-01
CA1289981C (en) 1991-10-01
KR890700106A (ko) 1989-03-02
HUT49826A (en) 1989-11-28
CN1009911B (zh) 1990-10-10
AU607169B2 (en) 1991-02-28

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