WO2004103569A9 - Device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material - Google Patents
Device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite materialInfo
- Publication number
- WO2004103569A9 WO2004103569A9 PCT/EP2004/050892 EP2004050892W WO2004103569A9 WO 2004103569 A9 WO2004103569 A9 WO 2004103569A9 EP 2004050892 W EP2004050892 W EP 2004050892W WO 2004103569 A9 WO2004103569 A9 WO 2004103569A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spindle
- spray nozzle
- nonstick
- nonstick composition
- composition
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 229920000642 polymer Polymers 0.000 title claims abstract description 12
- 239000002861 polymer material Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 21
- 239000007921 spray Substances 0.000 claims abstract description 36
- 239000007787 solid Substances 0.000 claims description 6
- 229920002313 fluoropolymer Polymers 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010068 moulding (rubber) Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/58—Applying the releasing agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Definitions
- the present invention relates to a device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material.
- a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material.
- the spindles of machines for producing pipes (normal and reinforced) of polymer or composite material must be treated with nonstick compositions to prevent the pipe material from adhering to the spindle at subsequent pipe production stages, and to permit smooth detachment of the pipes from the spindle.
- solvent-base nonstick compositions are used, which are sprayed onto the spindle using special dispensers. Being highly volatile, solvents evaporate quickly and easily, leaving the spindle with a coating of solid substances imparting the required nonstick properties .
- a device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material as claimed in the accompanying Claims 1 and 8 respectively.
- the device and method according to the invention are extremely straightforward, inexpensive, and effective in applying the water-base nonstick composition; and no scrapers, evaporators or other auxiliary devices are required, in that, by spraying on the water-base nonstick composition, the spindle is practically dry and nonstick by the time it leaves the processing chamber.
- Figure 1 shows a schematic longitudinal section of a device, in accordance with the invention, for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material
- Figure 2 shows a partial cross section, with parts removed for clarity, of the Figure 1 device
- Figure 3 shows a schematic longitudinal section of a dispenser forming part of the Figure 1 device
- Figure 4 shows a schematic view of a spray nozzle forming part of the Figure 1 device, and more specifically of the Figure 3 dispenser.
- FIG. 1 indicates as a whole a device for applying a water-base nonstick composition 2 to a spindle 3 (known) of a machine (known) for producing pipes of polymer and/or composite material.
- Device 1 comprises a processing chamber 4, e.g. defined by a tank 5 fitted with a removable cover 6; and means 7 for supporting spindle 3 inside processing chamber 4.
- Processing chamber 4 has two openings 8 r 9 formed through respective opposite walls of tank 5 and aligned with each other to form an inlet and an outlet for spindle 3; and spindle 3 is inserted through openings 8, 9, extends along an axis X, and is inserted inside openings 8, 9 with ample radial clearance, so as not to touch the edges of openings 8, 9.
- Means 7 for supporting spindle 3 comprise, for example, two wheels 12 fitted in rotary manner to respective supports 13; each wheel 12 has a saddle-like concave peripheral edge 14 for guiding spindle 3; and conveying means 15 (known and only represented schematically by a powered wheel in Figure 1) are provided outside processing chamber 4 to feed spindle 3 longitudinally through processing chamber 4 in a travelling direction substantially coincident with axis X.
- Device 1 comprises one or, as shown in the preferred embodiment in Figures 1 and 2, more dispensers 16 for dispensing nonstick composition 2, and which are housed inside processing chamber 4 and connected parallel, by a feed circuit 17, to a circulating pump 18.
- Pump 18 is substantially known, e.g.
- a centrifugal pump is not described in detail for the sake of simplicity, and comprises an intake side 19 connected by a conduit 20 to a tank 21 of nonstick composition 2, and a delivery side 22 fitted with a pressure regulator 23 and connected to feed circuit 17 to supply nonstick composition 2 to dispensers 16.
- Pressure regulator 23 may be of any known type, is connected to pump 18, and is fitted to delivery side 22 of pump 18 to maintain a substantially constant feed pressure of nonstick composition 2 to dispensers 16, and to prevent pulsating flow from pump 18 to dispensers 16.
- each dispenser 16 comprises a spray nozzle 25 for spraying nonstick composition 2 onto spindle 3.
- spray nozzles 25 are of the type used in gas oil burners of central heating boilers, and more specifically as specified in European Standard CEN n. EN 267 relating to fuel oil (gas oil) spray burners.
- Each spray nozzle 25 is designed to emit nonstick composition 2 in the form of a solid spray cone 26 ( Figure 4) with a spray angle of approximately 60° or over .
- each dispenser 16 comprises a tubular body 27 having an inner chamber 28 and internally threaded opposite ends 31, 32 for connection to a feed conduit 33 (in turn connected to feed circuit 17) and to spray nozzle 25 respectively.
- Each spray nozzle 25 comprises a threaded rod 34 inserted inside chamber 28 and screwed to end 32 of tubular body 27; and a head 35 projecting axially from the end of rod 34 outside tubular body 27.
- a hole 36 is formed through rod 34 and head 35 to connect chamber 28 to the outside; and, at the opposite end to that fitted with head 35, rod 34 is fitted with a filter 37 (known) housed inside chamber 28 and interposed between chamber 28 and hole 36.
- Seals may be provided to connect tubular body 27 to feed conduit 33 and spray nozzle 25 in fluidtight manner.
- Tubular body 27 is fixed to a boundary wall of processing chamber 4 by an appropriate support (known and not shown for the sake of simplicity) .
- the non-limiting embodiment in Figures 1 and 2 comprises three dispensers 15 having respective spray nozzles 25 spaced circumferentially apart about spindle 3 (i.e. about axis X) and spaced successively apart in the travelling direction of spindle 3 (i.e. along axis X) .
- Device 1 implementing the method of applying nonstick composition 2 to spindle 3 according to the invention operates as follows .
- Spindle 3 is inserted inside processing chamber 4, and nonstick composition 2 is sprayed onto spindle 3 by dispensers 16, and more specifically by spray nozzles 25.
- Nonstick composition 2 is supplied to dispensers 15, and therefore to spray nozzles 25, at substantially constant feed pressure guaranteed by pressure regulator 23.
- the feed pressure to dispensers 16 advantageously ranges between approximately 5 and 15 bars, and preferably between approximately 6 and 12 bars.
- the method may obviously be performed either continuously (by feeding spindle 3 continuously through processing chamber 4) or discontinuously (by feeding spindle 3 through in steps) .
- the nonstick composition used is an aqueous dispersion of at least one fluorinated polymer, such as PTFE.
- the nonstick composition comprises approximately 3% to 5% by weight of one or more fluorinated polymers, such as PTFE; the concentration of fluorinated polymers in the composition, however, may be higher or lower than that indicated by way of example .
- the nonstick composition may also contain an aqueous dispersion of: - one or more silicone polymers varying in quantity (e.g. less than approximately 3% or 2% by weight) depending on the type of nonstick agent (fluorinated polymer) and the specific use of the composition; - at least one alcohol (e.g. isopropyl alcohol or other alcohol with a low carbon atom number - of four or less) ranging in quantity between approximately 5% and 15% by weight, and preferably of about 10% by weight (to improve drying of the nonstick composition once it is applied to the spindle) .
- the nonstick composition has a total solid content ranging between approximately 2% and
Abstract
A device (1), for applying a water-base nonstick composition (2) to a machine spindle (3) for producing pipes of polymer and/or composite material, has a processing chamber (4) through which the spindle travels; and the nonstick composition is applied by means of spray nozzles (25) to spray the nonstick composition onto the spindle (3).
Description
DEVICE AND METHOD FOR APPLYING A WATER-BASE NONSTICK COMPOSITION TO A MACHINE SPINDLE FOR PRODUCING PIPES OF POLYMER AND/OR COMPOSITE MATERIAL
TECHNICAL FIELD The present invention relates to a device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material. BACKGROUND ART As is known, the spindles of machines for producing pipes (normal and reinforced) of polymer or composite material must be treated with nonstick compositions to prevent the pipe material from adhering to the spindle at subsequent pipe production stages, and to permit smooth detachment of the pipes from the spindle. At present, solvent-base nonstick compositions are used, which are sprayed onto the spindle using special dispensers. Being highly volatile, solvents evaporate quickly and easily, leaving the spindle with a coating of solid substances imparting the required nonstick properties .
Using solvent-base compositions obviously poses all the problems typically associated with highly volatile, often toxic or pollutant, substances. On the other hand, water-base nonstick compositions derived from similar compositions used for other purposes (e.g. rubber molding) have so far been unsuitable for treating pipe manufacturing spindles, by being difficult to use, and in particular by posing problems in terms of application (the composition must be applied evenly and in the correct amount) and drying (i.e. evaporation of the water) . DISCLOSURE OF INVENTION It is an object of the present invention to provide a device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material, designed to solve the aforementioned problems of the known art . More specifically, it is an object of the invention to provide a device and method enabling troublefree, effective application of the water-base nonstick composition. According to the present invention, there are provided a device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material, as claimed in the accompanying Claims 1 and 8 respectively. The device and method according to the invention are extremely straightforward, inexpensive, and effective in
applying the water-base nonstick composition; and no scrapers, evaporators or other auxiliary devices are required, in that, by spraying on the water-base nonstick composition, the spindle is practically dry and nonstick by the time it leaves the processing chamber. BRIEF DESCRIPTION OF THE DRAWINGS A non-limiting embodiment of the present invention will be described by way of example with reference to the accompanying drawings, in which: Figure 1 shows a schematic longitudinal section of a device, in accordance with the invention, for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material; Figure 2 shows a partial cross section, with parts removed for clarity, of the Figure 1 device; Figure 3 shows a schematic longitudinal section of a dispenser forming part of the Figure 1 device; Figure 4 shows a schematic view of a spray nozzle forming part of the Figure 1 device, and more specifically of the Figure 3 dispenser. BEST MODE FOR CARRYING OUT THE INVENTION Number 1 in Figure 1 indicates as a whole a device for applying a water-base nonstick composition 2 to a spindle 3 (known) of a machine (known) for producing pipes of polymer and/or composite material. Device 1 comprises a processing chamber 4, e.g. defined by a tank 5 fitted with a removable cover 6; and means 7 for supporting spindle 3 inside processing
chamber 4. Processing chamber 4 has two openings 8r 9 formed through respective opposite walls of tank 5 and aligned with each other to form an inlet and an outlet for spindle 3; and spindle 3 is inserted through openings 8, 9, extends along an axis X, and is inserted inside openings 8, 9 with ample radial clearance, so as not to touch the edges of openings 8, 9. Means 7 for supporting spindle 3 comprise, for example, two wheels 12 fitted in rotary manner to respective supports 13; each wheel 12 has a saddle-like concave peripheral edge 14 for guiding spindle 3; and conveying means 15 (known and only represented schematically by a powered wheel in Figure 1) are provided outside processing chamber 4 to feed spindle 3 longitudinally through processing chamber 4 in a travelling direction substantially coincident with axis X. Device 1 comprises one or, as shown in the preferred embodiment in Figures 1 and 2, more dispensers 16 for dispensing nonstick composition 2, and which are housed inside processing chamber 4 and connected parallel, by a feed circuit 17, to a circulating pump 18. Pump 18 is substantially known, e.g. a centrifugal pump, is not described in detail for the sake of simplicity, and comprises an intake side 19 connected by a conduit 20 to a tank 21 of nonstick composition 2, and a delivery side 22 fitted with a pressure regulator 23 and connected to feed circuit 17 to supply nonstick composition 2 to
dispensers 16. Pressure regulator 23 may be of any known type, is connected to pump 18, and is fitted to delivery side 22 of pump 18 to maintain a substantially constant feed pressure of nonstick composition 2 to dispensers 16, and to prevent pulsating flow from pump 18 to dispensers 16. With reference also to Figures 3 and 4, each dispenser 16 comprises a spray nozzle 25 for spraying nonstick composition 2 onto spindle 3. More specifically, spray nozzles 25 are of the type used in gas oil burners of central heating boilers, and more specifically as specified in European Standard CEN n. EN 267 relating to fuel oil (gas oil) spray burners. Each spray nozzle 25 is designed to emit nonstick composition 2 in the form of a solid spray cone 26 (Figure 4) with a spray angle of approximately 60° or over . More specifically, each dispenser 16 comprises a tubular body 27 having an inner chamber 28 and internally threaded opposite ends 31, 32 for connection to a feed conduit 33 (in turn connected to feed circuit 17) and to spray nozzle 25 respectively. Each spray nozzle 25 comprises a threaded rod 34 inserted inside chamber 28 and screwed to end 32 of tubular body 27; and a head 35 projecting axially from the end of rod 34 outside tubular body 27. A hole 36 is formed through rod 34 and head 35 to connect chamber 28 to the outside; and, at the opposite end to that fitted
with head 35, rod 34 is fitted with a filter 37 (known) housed inside chamber 28 and interposed between chamber 28 and hole 36. Seals (not shown for the sake of simplicity) may be provided to connect tubular body 27 to feed conduit 33 and spray nozzle 25 in fluidtight manner. Tubular body 27 is fixed to a boundary wall of processing chamber 4 by an appropriate support (known and not shown for the sake of simplicity) . The non-limiting embodiment in Figures 1 and 2 comprises three dispensers 15 having respective spray nozzles 25 spaced circumferentially apart about spindle 3 (i.e. about axis X) and spaced successively apart in the travelling direction of spindle 3 (i.e. along axis X) . Device 1 implementing the method of applying nonstick composition 2 to spindle 3 according to the invention operates as follows . Spindle 3 is inserted inside processing chamber 4, and nonstick composition 2 is sprayed onto spindle 3 by dispensers 16, and more specifically by spray nozzles 25. Nonstick composition 2 is supplied to dispensers 15, and therefore to spray nozzles 25, at substantially constant feed pressure guaranteed by pressure regulator 23. The feed pressure to dispensers 16 advantageously ranges between approximately 5 and 15 bars, and preferably between approximately 6 and 12 bars. The method may obviously be performed either continuously (by feeding spindle 3 continuously through processing chamber 4) or
discontinuously (by feeding spindle 3 through in steps) . The nonstick composition used is an aqueous dispersion of at least one fluorinated polymer, such as PTFE. Generally speaking, the nonstick composition comprises approximately 3% to 5% by weight of one or more fluorinated polymers, such as PTFE; the concentration of fluorinated polymers in the composition, however, may be higher or lower than that indicated by way of example . The nonstick composition may also contain an aqueous dispersion of: - one or more silicone polymers varying in quantity (e.g. less than approximately 3% or 2% by weight) depending on the type of nonstick agent (fluorinated polymer) and the specific use of the composition; - at least one alcohol (e.g. isopropyl alcohol or other alcohol with a low carbon atom number - of four or less) ranging in quantity between approximately 5% and 15% by weight, and preferably of about 10% by weight (to improve drying of the nonstick composition once it is applied to the spindle) . Whichever the case, the nonstick composition has a total solid content ranging between approximately 2% and
10%, and preferably of about 5%.
Claims
1) A device (1) for applying a water-base nonstick composition (2) to a machine spindle (3) for producing pipes of polymer and/or composite material, the device comprising a processing chamber (4) , means (7) for supporting the spindle inside the processing chamber, and at least one dispenser (16) for dispensing the nonstick composition; the device being characterized in that the dispenser (16) comprises a spray nozzle (25) for spraying the nonstick composition onto the spindle (3) . 2) A device as claimed in Claim 1, characterized in that the spray nozzle (25) is a spray nozzle of the type used in gas oil burners of central heating boilers. 3) A device as claimed in Claim 1 or 2, characterized in that the spray nozzle (25) is a spray nozzle as specified in European Standard CEN n. EN 267. 4) A device as claimed in one of the foregoing Claims, characterized in that the spray nozzle (25) is designed to emit a solid spray cone (26) . 5) A device as claimed in one of the foregoing Claims, characterized by comprising a number of spray nozzles (25) spaced circumferentially apart about the spindle (3) . 6) A device as claimed in one of the foregoing Claims, characterized by comprising a number of spray nozzles (25) spaced successively apart in a travelling direction of the spindle (3) .
7) A device as claimed in one of the foregoing Claims, characterized by comprising a circulating pump (18) for feeding the nonstick composition (2) to the dispenser (16) ; the pump being connected to a pressure regulator (23) fitted to a delivery side (22) of the pump to maintain a substantially constant feed pressure of the nonstick composition to the dispenser (16), and to prevent pulsating flow from the pump to the dispenser. 8) A method of applying a water-base nonstick composition (2) to a machine spindle (3) for producing pipes of polymer and/or composite material, the method comprising a dispensing step to dispense a nonstick composition (2) onto the spindle (3) , and being characterized in that said dispensing step is performed by means of at least one spray nozzle (25) to spray the nonstick composition onto the spindle (3) . 9) A method as claimed in Claim 8, characterized in that the spray nozzle (25) is a spray nozzle of the type used in gas oil burners of central heating boilers. 10) A method as claimed in Claim 8 or 9, characterized in that the spray nozzle (25) is a spray nozzle as specified in European Standard CEN n. EN 267. 11) A method as claimed in one of Claims 8 to 10, characterized in that the nonstick composition (2) is sprayed to form a solid spray cone (26) . 12) A method as claimed in one of Claims 8 to 11, characterized in that the dispensing step is performed by means of a number of spray nozzles (25) spaced
circumferentially apart about the spindle (3) . 13) A method as claimed in one of Claims 8 to 12, characterized in that the dispensing step is performed by means of a number of spray nozzles (25) spaced successively apart in a travelling direction of the spindle (3) . 14) A method as claimed in one of Claims 8 to 13, characterized by comprising a feed step to feed the nonstick composition (2) to the spray nozzle (25) ; and a pressure regulating step to maintain a substantially constant feed pressure of the nonstick composition to the spray nozzle. 15) A method as claimed in one of Claims 8 to 14, characterized in that the nonstick composition is an aqueous dispersion of at least one fluorinated polymer. 16) A method as claimed in Claim 15, characterized in that the nonstick composition has a total solid content ranging between approximately 2% and 10%, preferably between approximately 3% and 7%, and preferably of about 5%. 17) A method as claimed in Claim 15 or 16, characterized in that the nonstick composition comprises at least one silicone polymer in a quantity of less than 3% by weight, and preferably less than 2% by weight. 18) A method as claimed in one of Claims 15 to 17, characterized in that the nonstick composition comprises at least one alcohol in a quantity ranging between approximately 5% and 15% by weight, and preferably of
about 10% by weight. 19) Use of a spray nozzle (25) , of the type used in gas oil burners of central heating boilers, to apply a water-base nonstick composition (2) to a machine spindle (3) for producing pipes of polymer and/or composite material .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT001047A ITMI20031047A1 (en) | 2003-05-23 | 2003-05-23 | APPARATUS AND PROCEDURE FOR APPLYING A WATER-BASED ANTI-ADHESIVE COMPOSITION ON A MANDREL OF A MACHINE FOR THE MANUFACTURE OF POLYMERIC AND / OR COMPOSITE PIPES. |
| ITMI2003A001047 | 2003-05-23 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2004103569A2 WO2004103569A2 (en) | 2004-12-02 |
| WO2004103569A9 true WO2004103569A9 (en) | 2005-03-17 |
| WO2004103569A3 WO2004103569A3 (en) | 2005-04-28 |
Family
ID=30131077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2004/050892 WO2004103569A2 (en) | 2003-05-23 | 2004-05-21 | Device and method for applying a water-base nonstick composition to a machine spindle for producing pipes of polymer and/or composite material |
Country Status (2)
| Country | Link |
|---|---|
| IT (1) | ITMI20031047A1 (en) |
| WO (1) | WO2004103569A2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4766390B2 (en) * | 2006-08-22 | 2011-09-07 | 住友金属工業株式会社 | Mandrel bar cleaning equipment |
| DE102008034183A1 (en) * | 2008-07-17 | 2010-01-21 | Arzneimittel Gmbh Apotheker Vetter & Co. Ravensburg | Device and method for applying a coating on a lateral surface of a medical hollow body |
| BR112012021936A2 (en) * | 2010-03-08 | 2016-05-31 | Sharp Kk | mold release treatment method, mold, anti-reflective film production method, mold release treatment device, and mold washer / dryer |
| CN107684995A (en) * | 2016-08-05 | 2018-02-13 | 东莞市亿宇电子科技有限公司 | Waterproof mobile phone nano-spray production line |
| CN108787232A (en) * | 2018-06-21 | 2018-11-13 | 江阴和港机械有限公司 | A kind of device for soaking oil |
| CN112657712B (en) * | 2019-11-17 | 2022-04-12 | 桐乡市嘉灵新材料股份有限公司 | Composite material textile fabric manufacturing equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854527A (en) * | 1972-09-01 | 1974-12-17 | E Maroschak | Apparatus and method for fabricating corrugated plastic tubing |
| JPS57100808A (en) * | 1980-12-17 | 1982-06-23 | Hitachi Ltd | Lubricating oil coater for mandrel |
| JPS60152309A (en) * | 1984-01-21 | 1985-08-10 | Sumitomo Metal Ind Ltd | Method for coating lubricant on surface of mandrel bar |
| JPS60240796A (en) * | 1984-05-15 | 1985-11-29 | Nippon Kokan Kk <Nkk> | Lubricant for production of seamless steel tube |
| JPS61195704A (en) * | 1985-02-25 | 1986-08-30 | Nippon Steel Corp | Mandrel lubricating method for mandrel mill |
| US5588379A (en) * | 1991-03-20 | 1996-12-31 | Witteveen; Gustaaf J. | Mixing device and method for gaseous liquid of pulverised substances |
| US20030055196A1 (en) * | 2001-09-20 | 2003-03-20 | Strobridge John R. | Release composition and related method of use |
-
2003
- 2003-05-23 IT IT001047A patent/ITMI20031047A1/en unknown
-
2004
- 2004-05-21 WO PCT/EP2004/050892 patent/WO2004103569A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004103569A2 (en) | 2004-12-02 |
| ITMI20031047A1 (en) | 2004-11-24 |
| ITMI20031047A0 (en) | 2003-05-23 |
| WO2004103569A3 (en) | 2005-04-28 |
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