CN1456431A - Method and apparatus for coating inner walls of plastic cylindrical films or cylindrical knitted products - Google Patents
Method and apparatus for coating inner walls of plastic cylindrical films or cylindrical knitted products Download PDFInfo
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- CN1456431A CN1456431A CN 03117965 CN03117965A CN1456431A CN 1456431 A CN1456431 A CN 1456431A CN 03117965 CN03117965 CN 03117965 CN 03117965 A CN03117965 A CN 03117965A CN 1456431 A CN1456431 A CN 1456431A
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Abstract
A method for covering a film on the inner surface of a cylindrical plastic membrane or fabric includes such steps as releasing a cylindrical membrane from its distributing mechanism onto a hollow long axle, releasing a cylindrical film with adhesive layer from film distributing mechanism and passing it through said hollow long axle, heating them to a fusion adhering state, applying compressed air in the cylindrical film to expand it until it is tightly close to the inner surface of cylindrical membrane, and pressing them by at least one pair of rollers.
Description
Technical field:
The present invention is extruding one deck adhesive layer or is extruding one deck adhesive layer in advance and answer the method for film and install relevant at tubular film or braid inwall on the simple tension film in advance with utilization in tubular film pipe or tube-shaped fabric on the compound extruded film.
Background technology:
At tubular polymeric braid outside composite water-proof, anti-leakage layer has mature technology, multiple film does not also have industrial equipment at present on the good tube-shaped fabric inwall of braiding, can only the outside compound good film after, with the semi-hand method of operating tube-shaped fabric and multiple outside good film are folded to inner face together and become required interior coating film bag body, perhaps when the braiding tubular woven fabric, having the tubular film of adhesive layer or utilization to be coated with the mode of scraping coextrusion in advance inserts the film of binding agent coated on the tubular film in the tubular woven fabric that is weaving, utilize braiding lateral dominance in circular weaving machine limit film and braid inwall is compound with nip rolls that heats on the loom or traction nip rolls, this method efficient is low, the energy consumption height, cost height, per minute only have 1 to 3 meter long speed of production.Under above-mentioned technology status, 97234492.6 pairs of the patent No.s are answered film at tubular polymeric braid inwall significant progress, it is to place the whole cloth mechanism of the tubular polymeric braid utilization of putting in the cloth mechanism earlier, tubular cloth is put on the hollow major axis of putting in order in the cloth mechanism, utilize the base station of broadcasting inner membrance cloth of glue platform setting will prepare that inner membrance cloth as interior pad pasting runs out and by the injecting glue platform at the flat tubular film of folding two sides coated one deck by the stick of dissolution with solvents, this interior pad pasting that scribbles stick is involved in the hollow pipe of the hollow major axis of that root of whole cloth mechanism, with the tubular cloth that has been enclosed within advance on the hollow major axis, form the bagging situation of the interior mucous membrane of cover in the tubular cloth, enter again and put the bag that is supported by roller together with bagging in the hot case fit body and support tube, in to hot case under the heating state, stick on tubular cloth and interior pad pasting and the film supports under the supporting role and parcel contraction of tube at bag, the three fit together and finish in the technical process of multiple film, simultaneously, also dry the solvent of dissolving stick.But this technology is coated with stick and has to adopt solvent to dissolve stick owing to having adopted on inner membrance cloth, this document is not mentioned, know all that but be familiar with this professional people this is uneconomical environmental protection and the safety requirements of also not meeting, and the bag of producing does not meet the health instructions for use.In addition, this film coating method key will use bag to support tube, and axle and Duo Zhi fork support, and the weight of this structure is no small, cloth and interior pad pasting are enclosed within and support on the tube, and support tube is to support by many group support rollers, when pad pasting is by their mutual strong points in cloth reaches, be subjected to great resistance, frictional force and tear edge, for slim cloth and interior pad pasting, can't bear to bear, damage cloth and interior pad pasting easily, the cloth by this strong point and the quality of interior pad pasting are compared very poor with the quality at other place, influence the flatness of production efficiency and quality and bag.Also have support is risen by the out-of-level placement of tube and adopted vertical placement.Because all compound by the support cylindrical shell that rises, the problem of its existence is also similar, all be unable to do without the extruding of internal pad pasting, tears, all damage easily cloth and in pad pasting, especially than the cloth and the interior pad pasting that approach.
If change cloth into film herein, promptly utilize this device to finish the compound of film and interior pad pasting, more impossible, at first, the solvent that is coated on the interior pad pasting can't be dried and volatilize under the shielding of outer membrane, more can't bond, taking second place is to support tube and outer membrane can't be born for the weight and the frictional force of support roller, so that this device and technology can't be finished film and film is compound, the scope of application is restricted.
Number of patent application 00113159.1, " production method and the device of bidirectional stretch tubular compound film sheet peace film compound film sheet ", used the multiple film sizing mechanism of hot case fit body instant heating case of above-mentioned patent 97234492.6 in this technology, and the technology of the storing hollow shaft mechanism of the promptly interior complex membrane mechanism of whole cloth mechanism.Different is that this patent is the compound of film and film, particularly the simple tension film is made outer membrane, with coextrusion the compound of the film of making inner layer film after the film drawn orientation of adhesive layer and film arranged, though the interior pad pasting that has adopted coextrusion to have the binding agent tunic to make interior pad pasting rather than obtain with glue platform coated stick, carry out the compound of outer membrane and inner layer film, but still employing is the method and the device of hot case fit body of class formula and the whole cloth mechanism of class formula, the problem of this scheme is the film strength height of the multiple film of requirement, thickness can also carry out, but slim can't realize, individual layer thickness after simple tension is greater than 0.1 millimeter, internal layer will participate in compound interior pad pasting also greater than 0.1 millimeter, can be conveniently compound, but the simple tension of general no process, the film that intensity is not high or be lower than 0.1 millimeter film through simple tension but thickness and just damaged at film when supporting the gap of tube and support roller, do not reach the technological requirement of multiple film, produce and to realize sometimes.
Pad pasting is because of bag technological requirement from now in some, opposite face need dock heat-sealing in the folding back of tubular film, this film bag needs the heatproof degree of material of the face that will dock of inner face low and thermal bonding is good, lower with outer membrane and interior pad pasting than heatproof degree, but heat adhesiveness is had relatively high expectations, this layer innermost layer film comes sizing if the interior sizing tool of employing promptly supports tube, and the innermost layer film that this layer employing coetrusion in can making easily on the pad pasting is enclosed is bonded in and supports the compound realization that tube upward can not make this material or functional membrane.
Summary of the invention:
The objective of the invention is in order to overcome above deficiency, provide a kind of and can not only answer film at the tube-shaped fabric inwall, and can be at the multiple film of plastics tubular film inwall, can not only the combined strength bination height, film that thickness is thick, and the energy combined strength bination is weak, the film of thin thickness, can not only be in inwall once can compound one deck pad pasting, but also can once finish the compound of trilamellar membrane, be beneficial to the method at plastics tubular film or the multiple film of tube-shaped fabric inwall of environmental protection and industrial hygiene safety.Another object of the present invention is for a kind of device at plastics tubular film or the multiple film of tube-shaped fabric inwall is provided.
The object of the present invention is achieved like this:
The present invention is that the tubular film (36) that film-unloading cloth mechanism is run out pinches on hollow major axis at plastics tubular film or tube-shaped fabric inwall composite methods, the tubular film (37) that is compounded with adhesive layer that film-unloading cloth mechanism is run out passes from hollow major axis, tubular film (36,37) pinch in the casing that is admitted to down the multiple film sizing mechanism of hot case at least one group of traction nip rolls and be heated to tubular film (36,37) state of energy bond vitrified, meanwhile give tubular film (37) inwall compressed air and be close to tubular film (36) inwall, tubular film 936 so that the tubular film expands) and the tubular film (37) of being close to tubular film (36) inwall compress secure bond through at least one pair of membrane nip rolls traction of the casing port of export and form the multiple membrane product of tubular.
The present invention comprises that at the device of the multiple film of plastics tubular film or tube-shaped fabric inwall tubular film film placing mechanism and/or tube-shaped fabric put cloth mechanism, storing hollow shaft mechanism and/or material-storing box mechanism, the multiple film sizing mechanism of hot case, rolling-up mechanism, organic frame in the storing hollow shaft mechanism, Tong Guo the tubular film that endoporus is hollow or the hollow major axis of tubular cloth, be contained on the frame at least one group with film placing mechanism or put tubular film that cloth mechanism runs out or tubular cloth and pinch and be inserted in motor-operated conveying roller group that is subjected on the hollow major axis outer wall and that can support hollow major axis, but the propelling movement film that many groups axially move forward and backward along hollow major axis or the device that pinches that is subjected to motor-operated open and close of cloth are arranged on frame, the box that has an energy to make in the material-storing box mechanism by the light material of tubular film or tube-shaped fabric, can deposit the back and forth folding tubular that is compounded with adhesive layer in the box in but roll over flat composite membrane and film can continuously be pulled out easily in box, cartridge bottom is equipped with rotating backing roll, have on the backing roll be mated can minimizing and the slide block or the pulley of film or cloth friction, in the multiple film sizing mechanism of hot case casing is arranged, be provided with in the casing to tubular film or tube-shaped fabric by the time to its heating and reach the heater that the tubular composite membrane that is compounded with adhesive layer and tubular film or tubular cloth can the bond vitrified temperature, advance film or cloth intlet at casing are provided with and contain at least one pair of and can and be enclosed within film or the composite membrane of cloth inside clamps advances the film nip rolls to film or cloth, the membrane of casing or cloth outlet be provided with at least one pair of compress inwall fitted the composite membrane that is compounded with adhesive layer tubular film or tube-shaped fabric and make the binding agent of composite membrane of inwall and the membrane hauling machine of the membrane nip rolls of tubular film or tube-shaped fabric secure bond, be provided with between film nip rolls and the membrane nip rolls and can give compressed air so that the aerator of the needle tube type of tubular film or tube-shaped fabric inwall is close in the expansion of tubular composite membrane in the composite membrane to inwall in advancing of casing front and back end, but storing hollow shaft mechanism and material-storing box mechanism can use also the two use that combines separately.
Above-mentioned hollow major axis one end is provided with and prevents that hollow major axis axial float from also can keep off the baffle plate that film or cloth skid off hollow major axis.
Advancing before the film nip rolls by the air ejector of being made up of air exhauster and pipeline that makes secure fit between inwall tunic and the outer membrane and be beneficial to bond of the multiple film sizing mechanism of above-mentioned hot case, the plumbing installation in the air ejector is in the outer wall or inwall of storing hollow shaft.
Be provided with in the casing of the multiple film sizing mechanism of above-mentioned hot case the inflation inwall be compounded with the composite membrane of adhesive layer the time the outer sizing tool of control tubular film or tube-shaped fabric external diameter is arranged, outer sizing is rolled by metal otter board and forms, and also can be rolled by metallic plate to form.
The far-infrared heater that hot air circulation heater or ring-shaped heater or ring-type are arranged in the multiple film sizing mechanism of above-mentioned hot case.
In the multiple film sizing mechanism of above-mentioned hot case in the casing apart from 1/4th length places of casing membrane end casing total length, useful cooling quench machine is made the cooling section of cooling source, when arts demand, can cool off at the tubular film of this section to compound sizing.
Before the membrane nip rolls, be provided with in the multiple film sizing mechanism of above-mentioned hot case to be contained in and make tubular film or the smooth herringbone clamping plate of tube-shaped fabric on the membrane hauling machine.
Above-mentioned storing hollow shaft mechanism pinches device by promoted by cylinder, can be up and down or about the clamping plate that open and close form.
Being positioned at frame bottom in the above-mentioned device has cross slide way, frame to place on the cross slide way and with storing hollow shaft mechanism to move along cross slide way is left and right.
Referring to Fig. 1～Fig. 7, during apparatus of the present invention work, the tubular film cloth that film placing mechanism 1 is run out all pinches on hollow major axis, the tubular composite membrane cloth that is compounded with binding agent that film placing mechanism 2 is run out passes in hollow major axis, under at least one group of pinching of drawing film nip rolls into, enter in the casing of the multiple film sizing mechanism of hot case, by the heater on the casing to tubular film cloth heating and reach the tubular composite membrane cloth that is compounded with binding agent and the temperature of tubular film cloth bond vitrified, meanwhile aerator inwardly pastes that tubular film cloth inwall gives compressed air so that interior subsides tubular film cloth expands is close to outer cylindrical film cloth and makes the two compound, makes the composite membrane cloth that is compounded with binding agent become to answer the film finished product with tubular film cloth secure bond and by the rolling-up mechanism rolling through the membrane nip rolls of casing membrane end again.
The inventive method and device can not only be compound at the tube-shaped fabric inwall, and can be at the multiple film of plastics tubular film inwall, can not only the combined strength bination height, film that thickness is thick, and the energy combined strength bination is weak, the film of thin thickness, pad pasting in inwall once can compound one deck not only, and can also once finish the multiple film of trilamellar membrane, composite membrane tensile strength height, tear resistance is good, and the sack of making is thinner and saved material than similar bag.Be beneficial to environmental protection and industrial hygiene safety, applied range.
Description of drawings:
Fig. 1 is apparatus of the present invention structural representation that storing hollow shaft mechanism is arranged.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is for pinching the device structural representation.
Fig. 4 is apparatus of the present invention structural representation that storing hollow shaft mechanism and material-storing box mechanism are arranged.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is apparatus of the present invention structural representation that material-storing box mechanism is arranged.
Fig. 7 is the vertical view of Fig. 6.
The specific embodiment:
Embodiment 1:
Fig. 1～Fig. 3 has provided apparatus of the present invention embodiment 1 figure.Referring to Fig. 1, Fig. 2, storing hollow shaft mechanism 1 is arranged among the present invention, be positioned at forward and backward second the putting film and put cloth mechanism 2, first and put film and put cloth mechanism 3, the multiple film sizing mechanism 4 of hot case, rolling-up mechanism 5 of storing hollow shaft mechanism.The frame 7 that contains guide rail 6 is arranged in the storing hollow shaft mechanism 1, endoporus is hollow can put film by second and put the internal layer tubular film that cloth mechanism emits or the hollow major axis 8 of cloth, array is evenly distributed on the frame puts film with first and puts tubular film or the cloth that cloth mechanism runs out and pinch motor-operated conveying roller group 9 that is subjected to of being inserted on the hollow major axis outer wall and can supporting hollow major axis, several pinch device 10, and what be positioned at hollow major axis front end prevents that hollow major axis string from moving and the baffle plate 11 of retaining film or cloth.Several pinch device and are contained in respectively and had on the dolly 13 that is subjected to the conveying roller group 12 that motor or chain drive that is contained on the guide rail by motor-operated several.It is axially forward and backward mobile at the hollow major axis in the promotion lower edge of several dollies that several pinch device, thereby promote film or cloth forward and backward moving on hollow major axis.Pinching device is made up of the clamping plate 14 that can upper and lower (or left and right) open and close as shown in Figure 3.The on-off action of clamping plate is driven by cylinder 15.The frame bottom is contained in ground cross slide way 16, and frame is positioned on the cross slide way and along cross slide way is left and right and moves.Air exhauster 18 in the air ejector 17 is positioned at hollow major axis tail end, and pipeline 45 1 ends that are communicated with air exhauster stretch in the hollow major axis.In the multiple film sizing mechanism of hot case casing 19 is arranged, be positioned at the outer calibration sleeve of making by steel wire or porose steel plate 20 of casing, hot air circulation chamber 21 is contained in the far infra-red heater 22 on the hot air circulation heating clamber, and the air-heater 23 that communicates with the cycling hot air compartment is arranged on the casing.1/4 section apart from the port of export in casing has cold wind cooling chamber 24, and the air-cooler 25 to cold wind cooling chamber air intake is housed on the cold wind cooling chamber outer wall.Casing advances the film end the many nip rolls pinch mechanisms 28 that advance film or cloth to nip rolls 27 that clamped cylinder 26 drives.In the composite membrane that casing membrane end has with air compressor machine 29 is connected, give compressed air and be close to the hand-held needle tubing aerator 30 of outer cylindrical film or tube-shaped fabric inwall, membrane hauling machine 31 so that interior subsides tubular composite membrane expands to inwall.Have on the membrane hauling machine be subjected to nip rolls cylinder 32 and motor 33 that drive and compress inwall fitted the composite membrane that is compounded with tack coat tubular film or tube-shaped fabric and make the binding agent of composite membrane of inwall and tubular film or tube-shaped fabric secure bond many to membrane nip rolls 34.Chevron shaped clamping plate 35 are contained in and are positioned at the membrane nip rolls on the membrane hauling machine and can make tubular film or tube-shaped fabric smooth.Sequence number 36,37,38 represents that respectively outer tubular film or cloth, outer wall have the internal layer tubular film or the multiple film finished product of binding agent among Fig. 1.A, B, C represent the multiple film work station of 3 operate portions, work station 1, the work station 2 of storing hollow shaft mechanism respectively among Fig. 2.When one group of storing hollow shaft mechanism carries out compound work on multiple film station, another group storing hollow shaft mechanism pinches the work of being inserted on the hollow major axis outer wall preparing to carry out on the station tubular film that film placing mechanism 1 runs out, mantle and multiple film work can be carried out simultaneously, increase work efficiency greatly.
Method at plastics tubular film or the multiple film of tube-shaped fabric inwall, be that the tubular film 36 that film-unloading cloth mechanism runs out is pinched on hollow major axis, the tubular film 37 that is compounded with adhesive layer that film-unloading cloth mechanism is run out passes from hollow major axis, tubular film 36,37 pinch in the casing that is admitted to down the multiple film sizing mechanism of hot case at least one group of traction nip rolls and to be heated to tubular film 36, the state of 37 energy bond vitrifieds, meanwhile give tubular film 37 inwall compressed air and be close to tubular film 36 inwalls, and tubular film 36 outer fixing footpath tubular films 36 and the tubular film 37 of being close to tubular film 36 inwalls are compressed secure bond through at least one pair of membrane nip rolls traction of the casing port of export form multiple membrane product so that the tubular film expands.
Embodiment 2:
Fig. 4, Fig. 5 have provided apparatus of the present invention embodiment 2 figure.Present embodiment 2 is basic same with embodiment 1, and not existing together is to put film second to put between cloth mechanism and hollow major axis material-storing box mechanism 39 is arranged.Comprise the box made from light material 41 that contains platform 40, be positioned at box and be built in the backing roll 42 that can rotate on the platform that pulley (or slide block) 43 places on the backing roll.Place in the box back and forth folding skin for adhesive layer, intermediate layer be simple tension film, internal layer be the three-layer co-extruded interior pad pasting 44 of the film of heat sealability excellence can be easily continuously pull out in the box skin that passes through backing roll in the box and pulley sent with second film-unloading cloth mechanism for the adhesive layer internal layer for generally to come the internal layer tubular film of stretched film or simple tension film or cloth 37 to be admitted to hollow major axis endoporus.
Embodiment 3:
Fig. 6, Fig. 7 have provided apparatus of the present invention embodiment 3 figure.Present embodiment 3 is basic same with embodiment 2, and not existing together is to have cancelled the storing hollow shaft mechanism and first film-unloading cloth mechanism.Interior pad pasting 44 can be put and just continuously pull out from box 41 in the casing that is admitted to after the outer tubular film that passes through backing roll in the box and pulley sent with second film-unloading cloth mechanism or the nip rolls passageway mechanism of cloth 36 through advancing film or cloth in the multiple film sizing mechanism of hot case.
Claims (10)
1, method at plastics tubular film or the multiple film of tube-shaped fabric inwall, it is characterized in that the tubular film (36) that film-unloading cloth mechanism is run out pinches on hollow major axis, the tubular film (37) that is compounded with adhesive layer that film-unloading cloth mechanism is run out passes from hollow major axis, tubular film (36,37) pinch in the casing that is admitted to down the multiple film sizing mechanism of hot case at least one group of traction nip rolls and be heated to tubular film (36,37) state of energy bond vitrified, meanwhile give tubular film (37) inwall compressed air and be close to tubular film (36) inwall so that the tubular film expands, tubular film (36) and the tubular film (37) of being close to tubular film (36) inwall compress secure bond through at least one pair of membrane nip rolls traction of the casing port of export and form the multiple membrane product of tubular.
2, the device that is used for the described method of claim 1 at plastics tubular film or the multiple film of tube-shaped fabric inwall, it is characterized in that comprising that tubular film film placing mechanism and/or tube-shaped fabric put cloth mechanism, storing hollow shaft mechanism and/or material-storing box mechanism, the multiple film sizing mechanism of hot case, rolling-up mechanism, organic frame in the storing hollow shaft mechanism, Tong Guo the tubular film that endoporus is hollow or the hollow major axis of tubular cloth, be contained on the frame at least one group with film placing mechanism or put tubular film that cloth mechanism runs out or tubular cloth and pinch and be inserted in motor-operated conveying roller group that is subjected on the hollow major axis outer wall and that can support hollow major axis, but the propelling movement film that many groups axially move forward and backward along hollow major axis or the device that pinches that is subjected to motor-operated open and close of cloth are arranged on frame, the box that has an energy to make in the material-storing box mechanism by the light material of tubular film or tube-shaped fabric, can deposit the back and forth folding tubular that is compounded with adhesive layer in the box in but roll over flat composite membrane and film can continuously be pulled out easily in box, cartridge bottom is equipped with rotating backing roll, have on the backing roll be mated can minimizing and the slide block or the pulley of film or cloth friction, in the multiple film sizing mechanism of hot case casing is arranged, be provided with in the casing to tubular film or tube-shaped fabric by the time to its heating and reach the heater that the tubular composite membrane that is compounded with adhesive layer and tubular film or tubular cloth can the bond vitrified temperature, advance film or cloth intlet at casing are provided with and contain at least one pair of and can and be enclosed within film or the composite membrane of cloth inside clamps advances the film nip rolls to film or cloth, the membrane of casing or cloth outlet be provided with at least one pair of compress inwall fitted the composite membrane that is compounded with adhesive layer tubular film or tube-shaped fabric and make the binding agent of composite membrane of inwall and the membrane hauling machine of the membrane nip rolls of tubular film or tube-shaped fabric secure bond, be provided with the aerator of give compressed air in can composite membrane so that the tubular composite membrane the expands needle tube type of being close to tubular film or tube-shaped fabric inwall between film nip rolls and the membrane nip rolls in advancing of casing front and back end to inwall.
3, a kind of device at the multiple film of plastics tubular film or tube-shaped fabric inwall as claimed in claim 2 is characterized in that hollow major axis one end is provided with to prevent that hollow major axis is to play and can keep off film or cloth skids off the baffle plate of hollow major axis.
4, as claim 2 or 3 described devices at plastics tubular film or the multiple film of tube-shaped fabric inwall, it is characterized in that advancing before the film nip rolls by the air ejector of being made up of air exhauster and pipeline that makes secure fit between inwall tunic and the outer membrane and be beneficial to bond of the multiple film sizing mechanism of hot case, the plumbing installation in the air ejector is in the outer wall or inwall of hollow major axis.
5, as claim 2 or 3 described devices at the multiple film of plastics tubular film or tube-shaped fabric inwall, it is characterized in that being provided with in the casing of the multiple film sizing mechanism of hot case the inflation inwall be compounded with the composite membrane of adhesive layer the time the outer sizing tool of control tubular film or tube-shaped fabric external diameter arranged.
6,, it is characterized in that in the multiple film sizing mechanism of hot case, having the far-infrared heater of hot air circulation heater or ring-shaped heater or ring-type as claim 2 or 3 described devices at plastics tubular film or the multiple film of tube-shaped fabric inwall.
7, as claim 2 or 3 described devices at plastics tubular film or the multiple film of tube-shaped fabric inwall, it is characterized in that in the multiple film sizing mechanism of hot case that in the casing apart from 1/4th length places of casing membrane end casing total length, useful cooling quench machine is made the cooling section of cooling source.
8, as claim 2 or 3 described devices at plastics tubular film or the multiple film of tube-shaped fabric inwall, it is characterized in that in the multiple film sizing mechanism of hot case, before the membrane nip rolls, be provided with to be contained in and make tubular film or the smooth herringbone clamping plate of tube-shaped fabric on the membrane hauling machine.
9, as claim 2 or 3 described devices at the multiple film of plastics tubular film or tube-shaped fabric inwall, it is characterized in that storing hollow shaft mechanism pinch device by be subjected to cylinder promote, can be up and down or about the clamping plate that open and close form.
10, as claim 2 or 3 described devices at plastics tubular film or the multiple film of tube-shaped fabric inwall, it is characterized in that being positioned in the device frame bottom has cross slide way, frame to place on the cross slide way and with storing hollow shaft mechanism to move along cross slide way is left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117965 CN1456431A (en) | 2003-05-30 | 2003-05-30 | Method and apparatus for coating inner walls of plastic cylindrical films or cylindrical knitted products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117965 CN1456431A (en) | 2003-05-30 | 2003-05-30 | Method and apparatus for coating inner walls of plastic cylindrical films or cylindrical knitted products |
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| CN1456431A true CN1456431A (en) | 2003-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03117965 Pending CN1456431A (en) | 2003-05-30 | 2003-05-30 | Method and apparatus for coating inner walls of plastic cylindrical films or cylindrical knitted products |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828305A (en) * | 2015-04-25 | 2015-08-12 | 洪培冬 | Film sleeving equipment for sleeving inner film cylinder by outer film cylinder |
| CN106362490A (en) * | 2016-10-19 | 2017-02-01 | 四川森普管材股份有限公司 | Percolation pipe wrapping device |
| CN111204059A (en) * | 2020-01-13 | 2020-05-29 | 雷锋 | Non-woven fabric powder cover composite processing equipment |
| CN112984270A (en) * | 2019-12-12 | 2021-06-18 | 天津科技大学 | Method and equipment for adhering transverse joint of lining hose in pipeline in-situ repair |
-
2003
- 2003-05-30 CN CN 03117965 patent/CN1456431A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828305A (en) * | 2015-04-25 | 2015-08-12 | 洪培冬 | Film sleeving equipment for sleeving inner film cylinder by outer film cylinder |
| CN106362490A (en) * | 2016-10-19 | 2017-02-01 | 四川森普管材股份有限公司 | Percolation pipe wrapping device |
| CN112984270A (en) * | 2019-12-12 | 2021-06-18 | 天津科技大学 | Method and equipment for adhering transverse joint of lining hose in pipeline in-situ repair |
| CN111204059A (en) * | 2020-01-13 | 2020-05-29 | 雷锋 | Non-woven fabric powder cover composite processing equipment |
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Open date: 20031119 |