EP1038811A1 - Metered delivery device with magnetic couplings - Google Patents
Metered delivery device with magnetic couplings Download PDFInfo
- Publication number
- EP1038811A1 EP1038811A1 EP00200862A EP00200862A EP1038811A1 EP 1038811 A1 EP1038811 A1 EP 1038811A1 EP 00200862 A EP00200862 A EP 00200862A EP 00200862 A EP00200862 A EP 00200862A EP 1038811 A1 EP1038811 A1 EP 1038811A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve body
- segments
- permanent magnets
- shutoff member
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/58—Gates or closures having closure members sliding in the plane of the opening
- B65D90/587—Gates or closures having closure members sliding in the plane of the opening having a linear motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/62—Gates or closures having closure members movable out of the plane of the opening
- B65D90/623—Gates or closures having closure members movable out of the plane of the opening having a rotational motion
Definitions
- the present invention relates to the introduction of magnetic couplings into valves for the metered delivery of products for pharmaceutical, food or suchlike uses, to allow quick disassembly, and subsequent quick reassembly, of the metered delivery devices located inside the valves, these operations being very frequent in order to enable the requisite conditions of sterility to be maintained in the processing of the products.
- the prior art already includes metered delivery valves, some with a dual metered delivery system in which the first delivery system is coarse and takes the form of, for example, a throttle valve occupying the entire aperture of the valve body, while the second, which is formed within the body of the first, is of smaller dimensions and variously constructed, its control being independent of the coarse system.
- shutoff members in existence as they do not form the subject of the invention.
- the explanation of the invention will therefore be limited to the case of a valve in which the shutoff condition is provided by single and double throttle valve systems, as what is said of these cases may also be extended to any other situation.
- the object of the present invention is to enable the above operations to be carried out by one person.
- the invention as characterized in the claims solves the problem of enabling one person to bring together the two surfaces and unite them by the simple force of attraction of the permanent magnets.
- Fig. 1 shows the longitudinal cross section through a shaft (1) that accommodates, in its end, a permanent magnet (m) inserted in a circular annular groove with its magnetic axis coinciding with the axis of the shaft, as shown in Fig. 2.
- the method by which the magnet is fixed in the circular annular groove depends on the type of material of the shaft: if ferromagnetic, fixing is by the attraction of each permanent magnet, whereas if of diamagnetic material, such as stainless steels or plastic materials, the groove must be closed with, for example, a washer (v) welded or screwed into place, or secured by some other system.
- Fig. 3 shows lengths of shaft (1) and (1') joined magnetically: it is self-evident that the polarities of the opposing permanent magnets must be of opposite sign.
- Fig. 4 shows the application of the invention to a shaft with a flange (2).
- Sheet No. 2 shows the application of the above principles to a valve used for the metered delivery of granular, powdered or suchlike products employed in the pharmaceutical or food industry, and consists of a cylindrical body (3).
- the valve is of the double throttle-valve type, this being the configuration of the product shutoff members, namely that (4) occupying the entire cross section of the valve body, and that (5) occupying a central portion of the previous member and enabling finer control of the delivery of the product.
- valves with single or dual shutoff members of any other type can be transferred to valves with single or dual shutoff members of any other type, as will readily be appreciated from a perusal of the rest of the description.
- Fig. 5 of sheet 2 depicts the control shaft (6) of shutoff member (4), and the control shaft (7) of shutoff member (5), these shafts being made up of segments held together by the magnetic coupling described earlier, and the two rings (8) and (9) connecting the valve to the rest of the system, which are also made integral with the body (3) of the valve by magnetic coupling.
- FIG. 6 shows the valve seen from above.
- Fig. 7 of sheet 3 shows the longitudinal section through the valve on a plane normal to that of the section seen in Fig. 5 in sheet 2 illustrating the same components and with the two adapter rings (8) and (9) detached from the body (3) of the valve.
- Fig. 8 shows the valve seen from above.
- Sheet 4 shows a possible embodiment of the invention in a case in which the valve body (3) consists of two separable half-bodies (3') and (3'') plus, in order to keep the drawing simple, a single shutoff member, although the conclusions arrived at can also be applied to the case of a dual shutoff member.
- the shaft interruption may be located outside of the valve body as well as inside it, as in the case described previously, with flanged or unflanged shafts.
- Sheet 4 indicates a possible embodiment of this type of valve with a flanged shaft.
- Figs. 9 and 10 show two mutually perpendicular longitudinal sections through the valve showing the shaft (6) with flanges (10) containing the permanent magnets (m5) for their coupling.
- Fig. 11 shows the top-down view of the half-body (3') of the valve, in which the electromagnet (6) placed in the circular annular groove in the half-body (3') of the valve can be seen, this groove now of course being interrupted at the bushes (11). All the other indications refer to parts already described earlier, including the permanent magnets (m3) and (m4) for coupling with the adapter rings (8) and (9) (not shown). In this case the interruption of the shaft (6) may be located outside of the valve body (3) in order to allow dismantling of the shutoff members after the two half-bodies (3') and (3'') have been separated.
Abstract
Description
- The present invention relates to the introduction of magnetic couplings into valves for the metered delivery of products for pharmaceutical, food or suchlike uses, to allow quick disassembly, and subsequent quick reassembly, of the metered delivery devices located inside the valves, these operations being very frequent in order to enable the requisite conditions of sterility to be maintained in the processing of the products.
- The prior art already includes metered delivery valves, some with a dual metered delivery system in which the first delivery system is coarse and takes the form of, for example, a throttle valve occupying the entire aperture of the valve body, while the second, which is formed within the body of the first, is of smaller dimensions and variously constructed, its control being independent of the coarse system.
- It is not relevant to discuss here the various types of shutoff members in existence as they do not form the subject of the invention. The explanation of the invention will therefore be limited to the case of a valve in which the shutoff condition is provided by single and double throttle valve systems, as what is said of these cases may also be extended to any other situation.
- In existing metered delivery valves, the process of assembling the valves, even if of rapid type, always requires screws, bolts, etc., and as a result the operations of disassembly and reassembly always require the presence of two people, owing to the weight of the shutoff member and the difficulty in bringing the flanges sufficiently centrally together.
- The object of the present invention is to enable the above operations to be carried out by one person.
- To achieve this object a system has been devised for fastening the various members in question by means of magnetic couplings obtained by the insertion of permanent magnets in the vicinity of the contact surfaces such that an attraction is set up between the two parts sufficient to support the weight of the mating shaft sections.
- The invention as characterized in the claims solves the problem of enabling one person to bring together the two surfaces and unite them by the simple force of attraction of the permanent magnets.
- The invention is described in greater detail below with the aid of the drawings which illustrate an example of an embodiment thereof.
- Referring to sheet No. 1, Fig. 1 shows the longitudinal cross section through a shaft (1) that accommodates, in its end, a permanent magnet (m) inserted in a circular annular groove with its magnetic axis coinciding with the axis of the shaft, as shown in Fig. 2.
- The method by which the magnet is fixed in the circular annular groove depends on the type of material of the shaft: if ferromagnetic, fixing is by the attraction of each permanent magnet, whereas if of diamagnetic material, such as stainless steels or plastic materials, the groove must be closed with, for example, a washer (v) welded or screwed into place, or secured by some other system.
- Fig. 3 shows lengths of shaft (1) and (1') joined magnetically: it is self-evident that the polarities of the opposing permanent magnets must be of opposite sign.
- Fig. 4 shows the application of the invention to a shaft with a flange (2).
- Sheet No. 2 shows the application of the above principles to a valve used for the metered delivery of granular, powdered or suchlike products employed in the pharmaceutical or food industry, and consists of a cylindrical body (3). The valve is of the double throttle-valve type, this being the configuration of the product shutoff members, namely that (4) occupying the entire cross section of the valve body, and that (5) occupying a central portion of the previous member and enabling finer control of the delivery of the product.
- As stated earlier, the considerations applied to this type of valve, insofar as they relate to the present patent, can be transferred to valves with single or dual shutoff members of any other type, as will readily be appreciated from a perusal of the rest of the description.
- Fig. 5 of sheet 2 depicts the control shaft (6) of shutoff member (4), and the control shaft (7) of shutoff member (5), these shafts being made up of segments held together by the magnetic coupling described earlier, and the two rings (8) and (9) connecting the valve to the rest of the system, which are also made integral with the body (3) of the valve by magnetic coupling.
- The figures show the permanent magnets (m1) which, by their magnetic attraction, give continuity to the shaft belonging to the whole shutoff member, the permanent magnets (m2) belonging to shutoff member (5), and the permanent magnets (m3) and (m4) belonging to the rings (8) and (9), respectively. Fig. 6 shows the valve seen from above.
- Fig. 7 of
sheet 3 shows the longitudinal section through the valve on a plane normal to that of the section seen in Fig. 5 in sheet 2 illustrating the same components and with the two adapter rings (8) and (9) detached from the body (3) of the valve. Fig. 8 shows the valve seen from above. -
Sheet 4 shows a possible embodiment of the invention in a case in which the valve body (3) consists of two separable half-bodies (3') and (3'') plus, in order to keep the drawing simple, a single shutoff member, although the conclusions arrived at can also be applied to the case of a dual shutoff member. In this case the shaft interruption may be located outside of the valve body as well as inside it, as in the case described previously, with flanged or unflanged shafts. -
Sheet 4 indicates a possible embodiment of this type of valve with a flanged shaft. Figs. 9 and 10 show two mutually perpendicular longitudinal sections through the valve showing the shaft (6) with flanges (10) containing the permanent magnets (m5) for their coupling. Fig. 11 shows the top-down view of the half-body (3') of the valve, in which the electromagnet (6) placed in the circular annular groove in the half-body (3') of the valve can be seen, this groove now of course being interrupted at the bushes (11). All the other indications refer to parts already described earlier, including the permanent magnets (m3) and (m4) for coupling with the adapter rings (8) and (9) (not shown). In this case the interruption of the shaft (6) may be located outside of the valve body (3) in order to allow dismantling of the shutoff members after the two half-bodies (3') and (3'') have been separated. - In the light of the above it will be obvious that the assembling of the two parts of the valve shutoff member and of the valve itself into the system can be carried out by one person, who has merely to place the two members in question together. The same may be said of the operations of disassembly which simply require separation of the mating faces of the parts in question.
Claims (8)
- Metered delivery device with magnetic couplings, used for the metered delivery of granular, powdered or suchlike products, consisting of a valve body (3) with a single or dual shutoff member, the said device being characterized in that the control shaft (6) of the shutoff member (4), which is made of a diamagnetic material, is made up of three segments, namely two external segments and one segment inside the valve body (3), the segments being made integral with each other by the magnetic attraction set up between the permanent magnets (m1) inserted in the circular annular grooves concentric with the cross sections of the shaft, on both segments that come together in the vicinity of their contact surfaces, which situation makes it possible for a single operator to quickly disassemble the shutoff member (4) from the valve body.
- A device according to claim 1, in the case of a valve with a dual shutoff member, characterized in that the shaft (7), which is made of a diamagnetic material, is formed by a central segment, to which the second shutoff member (5) is fixed, this segment being made integral with the other two lengths by the magnetic attraction set up between the permanent magnets (m2) inserted in the circular annular grooves concentric with the cross sections of the shaft (7), on both segments that come together in the vicinity of their contact surfaces, inside the valve body (3), all in order to allow rapid dismantling of the shutoff member (5) from the body of the shutoff member (4) by a single operator.
- A device according to claim 1, in the case in which the valve body (3) is made from two separable half-bodies (3') and (3''), with a single or dual shutoff member, the said device being characterized in that the two parts of the valve body are made integral with each other by the magnetic attraction exerted by permanent magnets (m5) inserted in the circular annular grooves concentric with the cross section of the valve body (3), on both half-bodies, in the vicinity of their contact surfaces.
- A device according to claim 3, with the valve body (3) made from two half-bodies (3') and (3''), characterized in that the control shaft (6) of the shutoff member (4), which is made from a diamagnetic material, is made up of three segments, namely two external segments and one segment inside the valve body, these segments being made integral with each other by the magnetic attraction exerted by permanent magnets (m5) inserted in the mating surfaces of the three segments, according to Claim 2, these surfaces now however being situated on the outside of the valve body (3) of the shutoff member (4) and its subsequent reassembly, after the operation described in Claim 3 has been carried out.
- A device according to the previous claim 4 in which the mating surfaces of the segments into which the shaft (4) is divided and which contain the permanent magnets (m5) are located inside the valve body (3).
- A device according to Claim 4 in which the segments of the shaft have flanges at their mating ends into which the permanent magnets (m5) are inserted.
- A device according to one of the preceding claims, characterized in that it is provided with rings (8) and (9) for connecting the valve body (3) to the rest of the system, these rings being made integral with the valve body (3) by the attraction set up between the permanent magnets (m3) and (m4) inserted in the circular annulus-shaped grooves concentric with the cross section of the valve body (3), in the vicinity of their contact surfaces.
- A device, in the case in which it is made from a ferromagnetic material, the various connections described in the previous claims being effected by the insertion of the permanent magnets on only one of the two surfaces that come into contact.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPT990006 | 1999-03-16 | ||
IT1999PT000006A ITPT990006A1 (en) | 1999-03-16 | 1999-03-16 | DOSING DEVICE WITH MAGNETIC COUPLINGS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1038811A1 true EP1038811A1 (en) | 2000-09-27 |
EP1038811B1 EP1038811B1 (en) | 2004-05-12 |
Family
ID=11397207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00200862A Expired - Lifetime EP1038811B1 (en) | 1999-03-16 | 2000-03-10 | Metered delivery device with magnetic couplings |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1038811B1 (en) |
AT (1) | ATE266592T1 (en) |
DE (1) | DE60010557T2 (en) |
ES (1) | ES2215557T3 (en) |
IT (1) | ITPT990006A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007049726A1 (en) * | 2007-10-16 | 2009-04-23 | Schenck Process Gmbh | Cuff for pipes |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5144992A (en) * | 1989-02-21 | 1992-09-08 | Gallay S.A. | Installation for the transfer between receptacles of products that flow under the effect of gravity |
DE4415488A1 (en) * | 1994-05-03 | 1995-11-09 | Reimelt Dietrich Kg | Contamination free transfer of material from container to appts |
GB2294645A (en) * | 1994-11-04 | 1996-05-08 | Cobra Ind Ltd | Dart |
WO1998046505A1 (en) * | 1997-04-15 | 1998-10-22 | Matcon (R & D) Limited | Apparatus and system for handling material |
-
1999
- 1999-03-16 IT IT1999PT000006A patent/ITPT990006A1/en unknown
-
2000
- 2000-03-10 AT AT00200862T patent/ATE266592T1/en not_active IP Right Cessation
- 2000-03-10 DE DE60010557T patent/DE60010557T2/en not_active Expired - Lifetime
- 2000-03-10 EP EP00200862A patent/EP1038811B1/en not_active Expired - Lifetime
- 2000-03-10 ES ES00200862T patent/ES2215557T3/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5144992A (en) * | 1989-02-21 | 1992-09-08 | Gallay S.A. | Installation for the transfer between receptacles of products that flow under the effect of gravity |
DE4415488A1 (en) * | 1994-05-03 | 1995-11-09 | Reimelt Dietrich Kg | Contamination free transfer of material from container to appts |
GB2294645A (en) * | 1994-11-04 | 1996-05-08 | Cobra Ind Ltd | Dart |
WO1998046505A1 (en) * | 1997-04-15 | 1998-10-22 | Matcon (R & D) Limited | Apparatus and system for handling material |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007049726A1 (en) * | 2007-10-16 | 2009-04-23 | Schenck Process Gmbh | Cuff for pipes |
DE102007049726B4 (en) * | 2007-10-16 | 2010-05-20 | Schenck Process Gmbh | Cuff for pipes |
Also Published As
Publication number | Publication date |
---|---|
DE60010557T2 (en) | 2004-09-16 |
DE60010557D1 (en) | 2004-06-17 |
EP1038811B1 (en) | 2004-05-12 |
ATE266592T1 (en) | 2004-05-15 |
ES2215557T3 (en) | 2004-10-16 |
ITPT990006A1 (en) | 2000-09-16 |
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