EP0172854A1 - Process for the treatment by bulk agitation of rough castings or machined parts and machine for implementing such process. - Google Patents
Process for the treatment by bulk agitation of rough castings or machined parts and machine for implementing such process.Info
- Publication number
- EP0172854A1 EP0172854A1 EP85900963A EP85900963A EP0172854A1 EP 0172854 A1 EP0172854 A1 EP 0172854A1 EP 85900963 A EP85900963 A EP 85900963A EP 85900963 A EP85900963 A EP 85900963A EP 0172854 A1 EP0172854 A1 EP 0172854A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tank
- parts
- chamber
- treatment
- orifice
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0092—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
- B24B31/03—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels the workpieces being continuously-travelling
Definitions
- the present invention relates to a method of treatment by bulk mixing of molded or machined raw parts, in which these parts are stirred, possibly mixed with abrasive materials and / or cleaning products, in a treatment chamber of a tank. shaped like a rotating drum around a horizontal axis.
- the invention further relates, for the implementation of this method, a machine comprising a tank in the form of a drum rotating about a horizontal axis, an axial loading orifice open permanently, a drive mechanism for this tank , a device for controlling this drive mechanism, a device for loading the parts to be treated into at least one chamber for treating the tank, and members for receiving the parts and / or waste after treatment.
- the treatment of raw molded or machined parts is known and commonly applied to perform in particular the stripping and deburring of molded parts of metal or synthetic material, or also deburring, degreasing and polishing of machined metal parts, for example by stamping.
- the treatment can be completed by injecting treatment agents into the tank for degreasing or washing, then drying the parts.
- treatments of this kind which are combined with a cryogenic treatment, in particular by injection of liquid nitrogen, to harden and make brittle certain parts, for example during the stripping of molded plastic parts or the deburring of 'Elements comprising elastomers.
- the machines used for these treatments comprise a tank with a horizontal axis, which has at least one lateral opening equipped with a door for loading and / or unloading the parts.
- the door represents an important complication for the manufacture of the tank. It comprises locking members which must be actuated by hand or be specially designed for an automatic mechanical drive, controlled by a suitable device.
- the thermal insulation of the tank is complicated by the presence of the door and its locking members.
- the tank stops for loading and unloading must be in given positions, which requires manual or automatic control of the stop position.
- the downtime of the tank for loading, unloading and door operations adversely affects productivity.
- Patent FR-A-2 '192' 478 describes a machine of this type, equipped with a tank with a horizontal axis, comprising a treatment chamber whose peripheral wall is conical, a cylindrical axial duct, concentric with this treatment chamber and provided with an integral helical baffle extending to an axial discharge orifice, and a spiral-shaped conduit connecting one end of the axial conduit to an opening of the treatment chamber.
- This opening is located at the periphery of a front wall of the conical treatment chamber, where this chamber has the largest diameter, so that the parts and the liquid contained in the chamber are brought continuously by gravity near to this opening.
- the tank rotates in a first direction, or introduces the parts into the axial duct, in which they are driven axially by the helical baffle towards the spiral duct, then arrive in the treatment chamber, where they are treated in particular by stirring and washing.
- the parts and the liquid are evacuated radially by the spi conduit line, then axially by the helical baffle of the axial duct.
- the method implemented in this machine has various drawbacks.
- the majority of the parts and treatment liquids accumulate at one end of the chamber and remain in this area, so that the treatment is not uniform over the entire length of this chamber.
- it is not possible to inject liquids or compressed air directly on the parts during the treatment because of the presence of the axial duct, so that this machine is not very suitable for cryogenic treatment.
- the unloading of the tank is relatively slow because the parts only gradually pass through the opening connecting the treatment chamber to the spiral duct, due to the low conicity of this chamber.
- the construction of the tank and its conduits is relatively complicated and expensive.
- the object of the present invention is to remedy the abovementioned drawbacks, by providing a method and a machine making it possible to treat parts by uniform and thorough mixing, in a rotary tank with horizontal axis which is of simple construction and which can be loaded and unloaded while it is rotating, unloading taking place by reversing the direction of rotation.
- the method according to the invention is characterized in that the parts are introduced into the tank by an axial end which is permanently open, in that these parts are moved inside the treatment chamber , axially in one direction then in the other, by means of a helical baffle fixed inside this chamber, the direction of movement being linked to the direction of rotation of the tank.
- the tank is rotated in the direction which causes the parts to move in the direction opposite to the open end of the tank, a batch of parts is introduced before and / or after the start of this rotation. by the open end of the tank, we continue to rotate the tank in the same direction for the time necessary for treatment, then we reverse the direction of rotation so as to bring the parts by means of the helical baffle towards an outlet orifice disposed near the open end of the tank and empty the tank only by this reverse rotation.
- a tank comprising two juxtaposed treatment chambers, coaxial and integral with one another, each provided with a helical baffle of the same direction, the second treatment chamber being of more section great than the first.
- a batch of parts is introduced into the first chamber through the open end, then the tank is rotated in a first direction which has the effect of keeping the parts therein in the first chamber and of emptying the second chamber.
- the parts are then passed from the first to the second chamber by means of a reversal of the direction of rotation and the parts are thus treated in the second chamber, then these operations are repeated with another batch of parts.
- a tank comprising several successive treatment chambers, coaxial and integral with each other, each provided with a helical baffle of the same direction.
- the pieces are introduced into the first chamber and the tank is rotated in a first direction which has the effect of keeping the pieces in the room where they are located and causing the pieces to be mixed in the rooms. Then, we rotate the tank in the other direction to move the pieces from one room to the next and then repeat these operations.
- a machine for implementing the method according to the invention is characterized in that these parts are introduced into the tank by an axial end which is permanently open, and in that these parts are moved inside the treatment chamber axially in one direction and then in the other, by means of a helical baffle fixed inside this chamber, the direction of movement being linked to the direction of rotation of the tank.
- FIG. 1 is a view in partial longitudinal section of a machine according to the invention, in which the respective loading and evacuation orifices are located at opposite ends of the tank,
- Figure 2 is a cross-sectional view along line II-II of FIG. 1,
- FIG. 3 is a view in longitudinal section of a machine according to the invention, in which the respective loading and evacuation orifices are located at the same end of the tank, and
- Figure 4 is a partial longitudinal sectional view of a machine according to the invention, in which the tank comprises two juxtaposed treatment chambers.
- the machine shown in figs. 1 and 2 includes a prismatic tank. 1 of hexagonal section.
- This tank is mounted on a frame 2 by means of bearings 3 and 4 which respectively support pins 5 and 6 integral with each of the ends of the tank.
- the tank 1 can rotate around its longitudinal axis 7 disposed in a substantially horizontal position. It is rotated by means of an electric motor 8 and a gear reducer 9, this motor being connected to control members not shown.
- the interior of the tank 1 constitutes the treatment chamber.
- the tank has a loading orifice 11 disposed axially in the pin 5.
- a loading hopper 12 has, at its lower part, a bent conduit 13 which penetrates into the loading orifice 11 to allow the introduction of the parts to treat in the tank 1.
- the hopper 12 includes a vibrator 14 which promotes the movement of the parts.
- the other end of the tank has a discharge orifice 15 which is formed in its peripheral wall and which is permanently open. However, the size of this orifice can be adjusted by partially sealing it with a fixed plate depending on the products to be treated.
- the machine is equipped with deflectors 16 and 17 and a vibrating passage 18 for transporting the parts to a container.
- the tank 1 has in cross section the shape of a regular hexagon. Its peripheral envelope 20 is thus constituted by six planar elements. On their inner face, these elements carry transverse plates 21 arranged radially and contiguous end to end so as to constitute a helical baffle 22 which extends substantially over the entire length of the tank.
- the height of the helical baffle 22 varies progressively along the tank; it is lower near the loading orifice than near the discharge orifice. This arrangement promotes rapid evacuation of the parts.
- the machine also comprises various accessory elements which depend on the specific treatment desired.
- it is equipped with an oil injection device 25 which passes inside the pin 6 to supply the nozzles 26 arranged in the tank 1.
- a suction pipe 27, connected to the bent pipe 13, makes it possible to aspirate, in the direction of arrow A, the air and the dust from inside the tank 1.
- a pneumatic hatch 28 prevents the aspiration of air from through the hopper 12.
- the machine includes a soundproofing enclosure 9 made of noise absorbing material. It is also possible to provide a sound-absorbing coating on the external surface of the tank.
- the machine illustrated in Figures 1 and 2 operates as follows.
- the tank is rotated in a first direction in which the baffle helical 22 tends to push the pieces longitudinally in the direction of the inlet orifice, that is to say to the right in FIG. 1.
- a batch of parts in the hopper 12 from where they flow progressively towards the loading orifice 11 and the treatment chamber under the effect of the vibrator 14.
- the parts are stirred in a plane transverse by the rotation of the tank.
- the helical baffle 22 causes the parts located at the periphery to move in the direction of the inlet orifice 11, that is to say to the right, so that the filling level is higher near of this orifice and that the parts located closest to the axis 7 tend to fall back while moving towards the left.
- the baffle 22 thus creates a displacement of the parts in an axial plane, which combines with the displacements in the transverse plane to produce an intense mixing of the parts, by means of which each of the parts passes through all the zones of the treatment chamber.
- the parts are deburred or deburred and / or polished by impact and abrasion. They can be mixed with abrasive bodies. They can also be subjected to an oil spray by the nozzles 36. As a variant, the treatment can be carried out dry, with dust suction by the suction pipe 27.
- the direction of rotation of the tank is reversed, so that all the parts it contains, as well as any liquids and / or abrasive bodies are pushed longitudinally by the baffle 22 up 'to the discharge orifice 15, through which they fall on the corridor 18 to be discharged.
- the treatment is emptied quickly and can again be rotated in the first direction to perform a new treatment cycle.
- control members can advantageously be arranged to automatically control the course of the treatment cycle, by acting on the motor 8, on the vibrator 14 and on the device 25 oil injection, for example according to a cycle whose phases have predetermined durations.
- an appropriate detector near the discharge orifice 15, for example on the corridor 18, it is also possible to detect the end of the evacuation phase in order to start a new cycle as soon as possible.
- FIG. 3 shows another embodiment of a machine according to the invention, in which the loading and evacuation orifices are located at the same end of the tank.
- a tank 101 is mounted on a frame 102 by means of bearings 103 and 104 which respectively support pins 105 and 106 integral with the tank. The latter is rotated about its longitudinal axis by a drive mechanism, not shown, similar to that of the previous machine.
- a loading orifice 111 of the tank is formed axially in the journal 105.
- the frame 102 supports a loading hopper 112 equipped with a chute 113 which extends to the interior of the tank through the orifice loading 111, and of a vibrator 114 intended to facilitate the flow of the parts in the hopper.
- the tank At its end comprising the loading orifice 111, the tank also comprises an evacuation orifice 115 formed in its peripheral envelope 120.
- a guide 118 in the form of a funnel is mounted on the frame 102 below the orifice evacuation 115 to direct the parts leaving the tank towards a mobile container 119.
- the tank 101 has two concentric chambers (132 and 135) which are separated from the rest of the tank by a transverse wall 130.
- the two chambers are separated from each other by a cylindrical wall 131 which is coaxial with the peripheral envelope 120.
- the interior chamber 132 is open towards the outside of the tank through an inlet orifice 133 formed in the transverse wall 130.
- a helical baffle 134 is arranged on the periphery of the interior chamber 132 to direct the pieces towards the inlet port 133.
- the outer chamber 135 is generally annular in shape. She is open towards the outside by the evacuation orifice 115 and towards the inside of the tank by an outlet orifice 136 formed in the transverse wall 130.
- a helical baffle 122 is disposed against the peripheral envelope 120 of the tank.
- the construction of this baffle is identical to that which has been described in connection with FIGS. 1 and 2.
- the height of the baffle is greatest near the discharge orifice 115; it is minimal at the other end of the tank.
- the channel formed by the baffle 122 is covered by a cover plate 137 near the outlet orifice.
- the direction of the helical baffle 122 is the same as that of the baffle 134 of the inlet chamber.
- the machine further comprises various accessory members intended for complementary treatments, in particular an injection pipe 125 disposed axially in the pin 106 to allow water or any other liquid to be injected inside the treatment chamber.
- An air tube 127 arranged coaxially with the injection pipe 125 in the pin 106, makes it possible to introduce into the tank hot air supplied by a compressor 128, to carry out a drying of the parts in the tank.
- the peripheral envelope 120 of the tank has grids 140 for the exhaust of air and for the flow of liquids in a collecting tank 141 located under the tank.
- the grids 140 also allow the evacuation of small waste.
- a sound-absorbing enclosure 129 surrounds most of the machine.
- the tank 101 does not have grids 140, it is possible to apply a layer of soundproofing on the exterior surfaces of the tank.
- the operation of the machine has two phases. In a first phase, the tank is rotated in the direction where the helical baffle 122 causes the parts to move in the direction opposite to the open end of the tank, that is to say to the right according to the arrangement of fig. 3.
- the coins are poured into the hopper 112 in the direction of arrow C and, under the effect of the vibrator 114, flow into the chute 113 towards the interior of the tank to fall into the interior chamber 132. In this room, they are trained.
- the second phase when the treatment is finished, the direction of rotation of the tank is reversed, so as to bring the pieces back by means of the helical baffle 122 towards the outlet orifice 136. Arrived in the outer chamber 135, the parts fall through the evacuation orifice 115 as shown by arrow E. As soon as the tank is completely emptied, the first operating phase can be repeated.
- control members of the machine can be designed so as to automatically control all the operations necessary during a complete operating cycle of the machine according to a predetermined program, as described above.
- Fig. 4 shows another embodiment of a machine according to the invention, in which a tank 201 comprises two treatment chambers 221 and 231 juxtaposed, coaxial and integral with one another.
- the tank 201 is mounted on a frame 202 by means of bearings 203 and 204 which support pins 205 and 206 respectively fixed to each of the ends of the tank.
- the tank can rotate around its longitudinal axis, the position of which is substantially horizontal. It is rotated by means of an electric motor 208, a reduction gear 209 and pulleys 210 and 210a.
- the machine further comprises a loading hopper 212 provided with a chute 213 which extends inside a loading orifice 211 of the tank.
- the hopper is equipped with a vibrator 214. Due to its large dimensions, this machine further comprises a loading bucket 215 which slides in guide rails 216 and 217, when it is lifted by a hydraulic cylinder. 218, to come occupy the position drawn in dashed lines corresponding to the emptying position of the bucket 215 in the hopper 212.
- the first treatment chamber 221 of the tank 201 is similar, in principle, to that of the tank 1 shown in FIGS. 1 and 2. It is of hexagonal section and it comprises, on its internal lateral faces, a helical baffle 222, the height of which increases from the end of the tank where the loading orifice 211, c ' i.e. from the left in Figure 4.
- a transverse partition 223 separates the first chamber 221 from the second chamber 231. On one edge, it has a transfer orifice 224 which allows the passage of the parts from one chamber to the other.
- the second treatment chamber 231 is of larger section than the first. Its lateral faces include a helical baffle 232 in the same direction as the helical baffle 222 of the first chamber. The height of this baffle 232 is maximum near the transverse partition 223 and minimum at the other end of the chamber.
- the transverse partition 223 extends outside the first chamber 221 to the periphery of the second chamber 231, so as to close the end of the latter on the side of the first chamber. However, it has a discharge port 234 of the second chamber, the position of this orifice coinciding with the end of the helical baffle 232. Close to the discharge orifice 234, this baffle is covered by means of a cover plate 235, to prevent parts from being thrown inadvertently out of the tank during brewing. Similarly, near the transfer orifice 224, the helical baffles of the two chambers are covered, on the side of the axis, by means of respective cover plates 225 and 226, which transforms the baffles into closed conduits nearby transfer port 224.
- the lateral faces of the tank have, in the area of the second chamber 231, sieving grids 236 which make it possible to separate the parts from their waste.
- the finished parts are injected metal parts of very small dimensions, which pass through the screening grids 236 to fall into a vibrating corridor 240 for discharging the parts, while the waste is injection rods of relatively large dimensions and are discharged through the discharge orifice 234 to fall into a vibrating passage 241 located below this orifice.
- This corridor is perforated, to let liquid waste pass in the direction of a recovery tank 242 located below and equipped with a pump 243 and a filtration device.
- the vibrating lanes 240 and 241 can optionally be replaced by conveyor belts.
- An injection line 245 is arranged on the axis of the tank through the journal 206 and makes it possible to inject treatment liquids into the first chamber 221 by means of nozzles 246.
- the injected liquid can be of 'liquefied nitrogen for cryogenic treatment, which justifies the establishment of a thermal insulation layer 247 on the outer surface of the tank.
- An operating cycle of the machine shown in fig. 4 has two phases. In a first phase, the tank rotates in the direction in which the helical baffles 222 and 232 produce a displacement of the parts to the left, that is to say in the direction of the loading orifice 211 in the first chamber and the discharge port 234 in the second chamber. By means of the bucket 215, a batch of raw parts is poured into the hopper 212 according to arrow B.
- the parts Under the effect of the vibrator 214, the parts follow the path indicated in broken lines and gradually fall into the first chamber 221 where they reach position D. There, the parts are stirred for the time necessary for processing.
- the rotation of the tank causes the parts to be mixed in a transverse plane, while the helical baffle 222 produces a circulation of the parts in an axial plane, as described above with reference to FIG. 1.
- liquid products can be introduced into the tank 201, during this treatment, by means of the injection pipe 245 and nozzles 246, for example a washing and / or degreasing product.
- the parts can then be dried by means of hot air sent into the tank through the tubing 248.
- the parts can be subjected to a cryogenic treatment by injection of liquid nitrogen.
- the rotation of the tank 201 causes the second chamber 231 to be emptied by means of its helical baffle 232.
- this baffle is in the same direction as the baffle 222 of the first chamber, it causes a displacement pieces contained in the second chamber in the direction of the left, that is to say towards the discharge orifice 234. If, as mentioned previously, the finished pieces are of small dimensions and have passed through the screening grids 236 during the previous cycle, only larger waste remains in the second chamber 231, which is evacuated to the vibrating corridor 241 during this first phase of operation by following the path indicated by the arrow V.
- the axis of the tank can be arranged in a slightly tilted position to promote water drainage.
- the direction of rotation of the tank 201 is reversed to accomplish the second operating phase.
- the two helical baffles 222 and 232 then cause the parts to move to the right according to FIG. 4.
- the parts contained in the first chamber 221 are gradually pushed by the baffle 222 into the transfer orifice 224 and they thus arrive, with their waste, in the second chamber 231, where the baffle 232 moves them longitudinally to the right. During this movement, the parts and the waste are sieved on the sieving grids 236 in the position T.
- the machine operating cycle is thus completed, it can resume with the first operating phase.
- the tanks described above do not necessarily have to be supported by pins. They can also be supported and driven by rollers, especially if they are large.
- the method according to the invention has the main advantage of allowing the removal of all doors or other mechanical parts movable on the tank. It is thus possible to make tanks of monobloc construction, of simple shapes and reduced maintenance.
- the side faces of a tank can be all the same, which makes it possible to rationalize the construction.
- achieving thermal or sound insulation on the outer surface of the tank is particularly easy.
- the machine according to the invention is of a particularly simple construction, which also allows easy and quick loading and unloading.
- stirring is more efficient since the longitudinal displacement caused by the helical baffle combines with the stirring produced in an axial plane by the rotation of the tank, which gives a better mixing of the parts. This effect is particularly useful in cases where the parts are mixed with particles of abrasive materials.
- the realization of a baffle of variable height makes it possible to obtain an advantageous effect, particularly in tanks where parts are brewed for an extended period, as in the cases of FIGS. 3 and 4.
- the height of the baffle is minimum in the working area, that is to say the end of the chamber towards which the pieces are pushed during brewing, in order to limit the shocks of the pieces on the baffle .
- the height of the baffle is Just sufficient to empty all parts of the tank.
- the height of the baffle is as large as possible, in order to produce a rapid evacuation of the parts when the direction of rotation is reversed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
Le procédé permet de traiter des pièces par brassage dans une cuve rotative dépourvue de tout organe de fermeture mobile. Une machine utilisant ce procédé comporte une cuve (101) rotative autour d'un axe horizontal, munie d'un orifice d'entrée (111) disposé axialement, d'un orifice d'évacuation (115) situé à la périphérie de la cuve, et d'une chicane hélicoïdale (122) pour provoquer un déplacement longitudinal des pièces dans la chambre de traitement (121) de la cuve. On peut remplir la cuve pendant sa rotation. On la vide simplement par inversion du sens de rotation. Les machines de ce genre se prêtent notamment au dégrappage et à l'ébarbage de pièces moulées en métal ou en matière synthétique ou à l'ébavurage, au dégraissage et au séchage de pièces métalliques.The method makes it possible to treat parts by stirring in a rotating tank devoid of any movable closure member. A machine using this method comprises a tank (101) rotating around a horizontal axis, provided with an inlet orifice (111) arranged axially, an outlet orifice (115) located at the periphery of the tank , and a helical baffle (122) to cause a longitudinal movement of the parts in the treatment chamber (121) of the tank. The tank can be filled during its rotation. It is simply emptied by reversing the direction of rotation. Machines of this type are particularly suitable for stripping and deburring molded parts made of metal or synthetic material or for deburring, degreasing and drying metal parts.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85900963T ATE39639T1 (en) | 1984-02-20 | 1985-02-18 | METHOD OF TUMBLING CAST OR MACHINED BLANKS AND MACHINE THEREOF. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH808/84A CH655271A5 (en) | 1984-02-20 | 1984-02-20 | PROCESS FOR THE TREATMENT BY BULK BREWING OF RAW MOLDED OR MACHINED PARTS AND MACHINE FOR CARRYING OUT SAID METHOD. |
CH808/84 | 1984-02-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0172854A1 true EP0172854A1 (en) | 1986-03-05 |
EP0172854B1 EP0172854B1 (en) | 1989-01-04 |
Family
ID=4195665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85900963A Expired EP0172854B1 (en) | 1984-02-20 | 1985-02-18 | Process for the treatment by bulk agitation of rough castings or machined parts and machine for implementing such process |
Country Status (8)
Country | Link |
---|---|
US (1) | US4753046A (en) |
EP (1) | EP0172854B1 (en) |
JP (1) | JPS61501083A (en) |
CH (1) | CH655271A5 (en) |
DE (1) | DE3567163D1 (en) |
ES (1) | ES8606054A1 (en) |
IT (1) | IT1183185B (en) |
WO (1) | WO1985003661A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2052423B1 (en) * | 1991-12-31 | 1996-08-01 | Rubenplast S A | AUTOMATIC MACHINE FOR THE AFTER-TREATMENT OF PLASTIC OBJECTS IN CHAIN. |
DE4230485A1 (en) * | 1992-09-11 | 1994-03-17 | Linde Ag | System for cleaning with liquefied or supercritical gases |
US5653625A (en) * | 1996-06-04 | 1997-08-05 | Pierce; John | Star shot wave tumbler systems |
US5829131A (en) * | 1997-11-21 | 1998-11-03 | Chrysler Corporation | Method of making camshaft lobes |
WO2003024665A1 (en) | 2001-09-14 | 2003-03-27 | Corus Aluminium Walzprodukte Gmbh | Method of de-coating metallic coated scrap pieces |
CN103357620B (en) * | 2013-07-09 | 2015-02-18 | 温州亚光机械制造有限公司 | Automatic open-close device for inner cage door of rubber bung washing machine |
US11344989B2 (en) * | 2019-02-11 | 2022-05-31 | Aref Azami Gilan | Rotational abrasive micro/nano-finishing |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1510504A (en) * | 1919-07-16 | 1924-10-07 | U S Electrogalvanizing Company | Apparatus for cleaning articles |
US1422309A (en) * | 1919-07-16 | 1922-07-11 | U S Electrogalvanizing Company | Apparatus for cleaning articles |
US1642632A (en) * | 1926-02-25 | 1927-09-13 | Harry W Titgen | Tumbling mill |
US1835219A (en) * | 1929-05-27 | 1931-12-08 | Robert C Hopkins | Pickling machine |
US2299032A (en) * | 1940-08-03 | 1942-10-13 | Ransohoff Nathan | End loading tumbling mill |
FR53551E (en) * | 1941-05-15 | 1946-04-26 | Instalaltion for drying and browning metal parts | |
US2359944A (en) * | 1942-12-16 | 1944-10-10 | Howard Engineering & Mfg Compa | Tumbling mill |
US2509041A (en) * | 1947-07-09 | 1950-05-23 | Lewis W Lubenow | Tumbling mechanism |
US2739427A (en) * | 1954-03-01 | 1956-03-27 | Ransohoff Inc N | Tumbling mill |
US2933861A (en) * | 1958-05-08 | 1960-04-26 | Ransohoff Company | Continuous feed tumbling apparatus |
NL297717A (en) * | 1962-09-18 | |||
US3333367A (en) * | 1964-12-29 | 1967-08-01 | Salvaire Ernesto | Apparatus for removing flash |
US3431684A (en) * | 1966-10-27 | 1969-03-11 | Mcdowell Wellman Eng Co | Rotary abrading device |
DE2135052B2 (en) * | 1971-07-14 | 1974-02-28 | Dr.-Ing. Manfrid Dreher Kg, Apparatebau Und Chemische Verfahrenstechnik Fuer Oberflaechenbehandlung Von Metallen, 7541 Engelsbrand | Centrifugal drum system for mechanical surface treatment of small parts |
FR2192478A5 (en) * | 1972-07-17 | 1974-02-08 | Spaleck Max Gmb | |
GB1558566A (en) * | 1975-09-26 | 1980-01-03 | Wiggin & Co Ltd Henry | Apparatus for treating small articles with liquid |
JPS5310715A (en) * | 1976-07-19 | 1978-01-31 | Toray Ind Inc | Cooling devices for melt spinning |
JPS5643186Y2 (en) * | 1977-07-26 | 1981-10-08 | ||
EP0093264A3 (en) * | 1982-04-30 | 1984-07-11 | Ransohoff Co. | Method and apparatus for cleaning metallic fines |
-
1984
- 1984-02-20 CH CH808/84A patent/CH655271A5/en not_active IP Right Cessation
-
1985
- 1985-02-14 IT IT19501/85A patent/IT1183185B/en active
- 1985-02-18 DE DE8585900963T patent/DE3567163D1/en not_active Expired
- 1985-02-18 JP JP60500764A patent/JPS61501083A/en active Pending
- 1985-02-18 US US06/796,574 patent/US4753046A/en not_active Expired - Fee Related
- 1985-02-18 EP EP85900963A patent/EP0172854B1/en not_active Expired
- 1985-02-18 WO PCT/CH1985/000029 patent/WO1985003661A1/en active IP Right Grant
- 1985-02-19 ES ES540512A patent/ES8606054A1/en not_active Expired
Non-Patent Citations (1)
Title |
---|
See references of WO8503661A1 * |
Also Published As
Publication number | Publication date |
---|---|
US4753046A (en) | 1988-06-28 |
CH655271A5 (en) | 1986-04-15 |
EP0172854B1 (en) | 1989-01-04 |
ES540512A0 (en) | 1986-04-16 |
ES8606054A1 (en) | 1986-04-16 |
IT8519501A0 (en) | 1985-02-14 |
WO1985003661A1 (en) | 1985-08-29 |
JPS61501083A (en) | 1986-05-29 |
DE3567163D1 (en) | 1989-02-09 |
IT1183185B (en) | 1987-10-05 |
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