US3353545A - Washing machine and valve therefor - Google Patents

Washing machine and valve therefor Download PDF

Info

Publication number
US3353545A
US3353545A US508984A US50898465A US3353545A US 3353545 A US3353545 A US 3353545A US 508984 A US508984 A US 508984A US 50898465 A US50898465 A US 50898465A US 3353545 A US3353545 A US 3353545A
Authority
US
United States
Prior art keywords
valve
cam
fluid
body member
passageway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US508984A
Other languages
English (en)
Inventor
Rudolph N Price
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US508984A priority Critical patent/US3353545A/en
Priority to GB16939/66A priority patent/GB1099060A/en
Priority to DE19661532572 priority patent/DE1532572C/de
Priority to BE704169D priority patent/BE704169A/xx
Application granted granted Critical
Publication of US3353545A publication Critical patent/US3353545A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/28—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking
    • B08B9/34—Arrangements of conduits or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/003—Filling medical containers such as ampoules, vials, syringes or the like
    • B65B3/006—Related operations, e.g. scoring ampoules

Definitions

  • a glass manufacturer normally ships ampules to a pharmaceutical company, for example, in one gross cartons containing 9 rows separated by paper board dividers. Each row contains 16 ampules.
  • a rack is placed over a box of ampules and the box is inverted, leaving the ampules arrayed in the rack.
  • the rack containing the ampules is then placed in a washing machine with the open neck of each ampule positioned in opposition to an injector needle. It is also conventional to wash the outside of the vials and drain the wash Water to an outlet which also receives the waste injector wash water.
  • the number and placement of the needless conforms exactly to the number and placement of the ampules. All of the needles together with a mounting plate define a washing head which is replaceable and interchangeable with other washing heads for differently sized and differ ently placed ampules.
  • a gasket is normally employed to seal the washing head to the housing or sink.
  • the washing cycle may include a silicon coating step, if desired, and after the washing cycle is completed the rack, together with the ampules, is removed from the machine and the ampules filled by other equipment.
  • the prior art washers have presented several problems to the pharmaceutical industry.
  • the solenoid valves heretofore used in the washing apparatus regularly developed leaks in service and required frequent and substantial maintenance.
  • the leakage of the solenoid valves in the off position caused partial vaporization of the Wash water and, after a period of time, deposition of solids in the washer.
  • the present invention solves the leakage problem and reduces the required maintenance and cleaning by means of a simple yet effective and trouble free structure.
  • the apparatus comprising the present invention provides a wash cycle having three basic steps. First, tap water is directed against the ampules. Second, the valve and the intake manifold under the needles is completely drained; third, steam or air is directed against the ampules.
  • the improved valve used in the present invention is designed (l) to lower the cost of manufacturing the washer; (2) reduce the cost of maintenance; (3) prevent leakage where it normally occurred in the solenoid valves; (4) eliminate the sticky pistons that were usually found after extended periods in the solenoid valves; (5) regulate the flow rate to the manifold under the needles; and (6) regulate and time the injection of wash water for full and complete drainage of the valve and intake manifold.
  • Another object is to provide a more reliable washer of the aforementioned type.
  • a particular object is to provide an improved drainage system for the washing fluid used in the apparatus.
  • a feature of this invention is the inclusion of a flappertype valve that is held closed by the pressure of the incoming water and is automatically opened after a predetermined time to permit complete drainage of the device.
  • Another feature is the provision of a sloping chamber arranged to direct all of the wash water into a common outlet port.
  • a still further object is to provide a washer of the aforementioned type having an automatic cycle.
  • Yet another object is to provide an improved washer that operates at high speed and yet is of relatively small size.
  • Another object is to provide a valve that prevents leaka-ge.
  • An additional object is to provide an improved valve that regulates the flow rate of the liquids and gases to the manifold.
  • Yet another object is to provide an improved valve that regulates the timing cycle for water, for drainage of the valve and intake manifold and for the injection of steam or air.
  • FIG. 1 is a perspective illustration of a washer incorporating the features of the present invention
  • FIG. 1A is a fragmentary sectional elevational view showing the relationship of an ampule and a needle disposed in a washing head;
  • FIG. 2 is a cross sectional view taken along line 2-2 of FIG. 1, showing in section the valve mechanism and drive means comprising the present invention
  • FIG. 3 is a;bottom .plan view taken along line 3-3 of FIG. 2;
  • FIG. 4 is a sectional plan view taken along line 44 of FIG. 2;
  • FIG. 5 is a sectional plan view looking upward and taken along line 55 of FIG. 2;
  • FIG. 6 is a sectional plan view taken along line 6-6 of FIG. 2;
  • FIG. 7 is a fragmentary sectional elevational view taken along line 7-/ of FIG. 3;
  • FIG. 8 is a fragmentary sectional elevational view showing the valve open and being taken along line 8-8 of FIG. 4;
  • FIG. 9 is a fragmentary sectional elevational view of a small portion of the cam track.
  • FIG. 10 is a perspective view of the flapper valve used in the present invention.
  • FIGS. 11, 12 and 13 schematically illustrate the relationship between the cam means and the outlet orifices at various stages of the washing cycle.
  • washing apparatus 10 is comprised of a box-like structure 12, commonly known as a sink, and having legs 14 depending from each corner and a cover member 16 hingedly secured on one top edge thereof.
  • Cover member 16 is provided with a hold-down screen 18 that prevents the ampules from blowing off the needles during the washing.
  • the screen is adjustable in height for different sized ampules.
  • Two washing heads 20 may be seen inside the washer and the drive and valve assembly 22 may be seen below the washer housing.
  • FIG. 1A illustrates the manner in which a typical ampule A is placed into position to be washed.
  • the ampules By inverting the cardboard container in which the ampules are originally delivered by the manufacturer, the ampules are placed in transfer plate 24 with their open end facing downwardly and resting in a threading plate 26 having a number of conical seats 28. The open end of the ampule is now in opposition to the needle 30 and is ready to be washed.
  • the needles which are hollow, have their lower ends threaded into a mounting plate 32, such that they are in communication with a manifold 34 formed in the bottommost portion of housing 12.
  • a sealing gasket 35 is also provided. Passageway 36 communicates with the valve and drive assembly 22 now to be described.
  • Screws 38 secure the valve assembly 22 to the underside of housing 12.
  • Body portion 40 of the valve assembly is provided with an annular seat for an O-ring 42, so that a cover plate 44, having a central aperture 46 in registry with passageway 36, may be positioned on the underside of housing 12.
  • the rear side of body portion 40 is provided with a water inlet 48 (FIG. 6) having direct communication, through passageway 50, with water outlet ports 52 and 54.
  • a steam or air inlet port 56 also at the rear of the body portion of the valve assembly communicates, by means of passageway 58, with outlet ports 60, 62 and 64.
  • Each of the five outlet ports just mentioned terminates in an enlarged portion that provides a seat for a resilient O-ring66 and a Teflon scraper ring 68 (FIG. 2 and FIG. 4).
  • the water outlet ports have scraper rings with relatively large internal diameters 68a, while the steam outlet port scraper rings have smaller inside diameters 68b. This may be clearly seen in FIG. 4. It will be apparent that one very simple means for changing the flow rate of either the liquid or gas is to change the scraper rings so that either smaller or larger inside diameters are provided.
  • the function of the outlet ports will be made apparent ,in conjunction with the description of the washing cycle.
  • valve body portion The rear surface of the valve body portion is also provided with a drainage outlet port 70 which is fed by a sloped central area 71. Of particular interest is the fact that every portion of the central area is directed towards the outlet port so that complete drainage may be effected.
  • flapper valve 72 is either open or closed.
  • Valve 72 is comprised of a disclike body portion 74, a pivot arm 76, and a tail portion 78 that lies in a plane slightly above the body portion. In the valve closed position the body portion overlies the internal end of the drainage port and is maintained there by the pressure of the incoming water.
  • body portion 74 is automatically spaced from the internal end of the drainage port by cam plate 80 which is a disc arranged to be rotated about its own central axis.
  • the cam plate is located in lower chamber 82 formed by the space above the scraper rings and below the cover plate and is formed with three arcuate grooves 84, 86 and 88, all on a common radius.
  • the tail portion of the flapper valve is arranged to ride in and out of the thrree grooves. When the tail portion is in one of the grooves the flapper valve is closed as described above.
  • the flapper valve When the tail portion of'the flapper valve is out of the groove and riding along the cam surface in between the grooves, the flapper valve is positively held open for a predetermined time established by the length of the arcuate grooves. It is at this time that drainage takes place.
  • the cam plate is provided with a single aperture 90 positioned on the same radius as the five scraper rings and also a plurality of smaller drain apertures 92 positioned on a common radius somewhat smaller than that of the three grooves. Apertures 92 are located directly over the sloped central portion 71 of the valve body to provide positive and complete drainage whenever the valve opens.
  • the cam plate is supported on a central shaft 96 that is journalled in the body portion of the valve. O-rings 98 provide sealing means about the shaft, and thrust bearing 100 assures smooth rotation of the cam.
  • the cam shaft further includes an external spur gear 102 keyed thereto in a particular relationship to the cam grooves and the scraper rings.
  • Motor 104 through pinion 106mounted on the motor drive shaft, actuates the spur gear.
  • the spur gear also includes a pin 108 arranged to engage the lead spring of a snap-action switch 110 when the wash cycle is completed.
  • the start and stop points of the cycle are precisely determined.
  • the length of the cycle is of course a function of the motor characteristics and gear sizes while the length of each portion of the cycle (water or steam injection and drainage) is determined by the length of the cam grooves and the spaces therebetween.
  • the cam shaft is held in place by a sleeve 112, a washer 114 and a nut 116. While it is unlikely for a leak to develop as readily as with a solenoid valve, if one does occur, the leak may be stopped by turning the nut to increase the pressure of the cam plate on the Teflon scraper rings. Because the scraper rings have a slippery surface, friction between the rings and cam is minimized even though a considerable force is applied by tightening nut 116. The O-rings 66 assurea good, leak-proof seal.
  • FIGS. 11 through 13 The mode of operation of the wash cycle will now be described in conjunction with FIGS. 11 through 13. Assuming that the cycle starts with aperture 90 of the cam plate at the three oclock position, and the cam plate is rotated counter clockwise, the, aperture 90 will approach the first water inlet port 52 while groove 84 concurrently approaches the tail of the flapper valve.
  • FIG. 11 shows in solid outline the aperture 90 of the cam plate 80 approaching first water inlet 52 and shows in dot and dash outline the aperture having gone past the inlet 52.
  • the flapper valve body portion is closed against the drainage outlet port during this time and does not open until groove 84 passes the flapper tail portion.
  • the valve remains open to permit drainage of the water sprayed against the amples, until the aperture 90 approaches the first steam outlet port 60. At this time, as shown in FIG. 12 in solid outline, the valve closes and remains closed because groove 86 is positioned over the tail of the flapper valve. The valve remains closed until after aperture 90 passes over the second water inlet aperhim 54.
  • the dot and dash outline shown in FIG. 12 illustrates'the opening of the flapper valve at this time to permit drainage of the water that has collected in the plenum chamber and valve.
  • the flapper'v'alve automatically closes as the aperture approaches the second steam outlet port 62. This is shown in FIG. 13.
  • the valve remains closed during the continued rotary movement of the complete aperture over the secnd and third steam ejection ports because the tail of the flapper valve is riding in groove 88. This final position is shown in dot and dashoutline in FIG. 13.
  • the valve remains closed until the first groove 84 again approaches the tail of the flapper valve-and the aperture 90 in the cam plate once again approaches the first water inlet port 52. The entire cycle takes but one minute and is completed by pin 108'contacting' the micro switch.
  • the apparatus described is compact,'ru gged and extremely efiici'ent.
  • the operation of the valve is completely automatic and provides the desired cycling of water and steam. Full and complete drainage is automatically provided, as required, after each water injection, so that there is no contamination ,of the steam that follows.
  • the timing of the drainage cycles may readily be regulated by the use of diflferentcams and the fluid flow rate to the manifold may be regulated by the choice of scraper rings. It will be evident that leakage normally found with the use of, solenoid valves-is very unlikely with the present apparatus.
  • the structure is extremely reliable and only a minimum of maintenance is required. Having thus disclosed the best embodiment of the invention presently contemplated, it is to be understood that various changes andmodifications may be made by those skilled in the art without departing from the spiritof the invention.
  • a rotary control valve for cycling-the flow of at least one type of fluid comprising:
  • a substantially flat cam member rotatably disposed in the chamber of said body member, said cam member having a first aperture arranged to register with the first end of said fluid outlet port, a plurality of second apertures in continuous communication with said fluid discharge passageway and a cam surface arranged to engage said flapper valve tail portion when the first cam aperture is out of registry with the outlet end of said fluid intake passageway;
  • (f) means to rotate said cam member whereby said cam member aperture is intermittently registered with the outlet port of said body member intake passageway and said cam surface intermittently engages said flapper valve tail portion.
  • said body member includes a plurality of said intake passageways whereby said valve is adapted to control the flow of at least two difierent fluids.
  • a rotary control valve for cycling the flow of at least two diflerent fluids comprising:
  • a substantially flat cam member rotatably disposed in the chamber of said body member, said cam member having a first aperture arranged to register with the first end of each of said fluid outlet ports, a plurality of second apertures in communication with said fluid discharge passageway and a plurality of aligned cam surfaces arranged to engage said flapper valve tail portion when the first cam aperture is out of registry with the outlet end of said fluid intake passageway;
  • (f) means to rotate said cam member whereby said cam member aperture is intermittently registered with the outlet ports of said body member intake passageways and said cam surfaces intermittently engage said flapper valve tail portion.
  • each of said outlet ports is defined by an annular shoulder and wherein there is further includedannular, resilient sealing means seated on each said shoulder and an annular orifice member having a low coefiicient of friction seated n; each said sealing member, said. cam'member being arranged for sliding engagement with said orifice members.
  • i V i i 6.
  • said outlet ports are angularly spaced from each other on a common radius and the first aperture in said cam member is disposed on a radius having a similar dimension to that of said outlet ports.
  • one of said intake passageways for a first fluid is in communication with at least two outlet ports and another of said intake passageways for a second fluid is in communication with at least two other outlet ports.
  • outlet ports for the two fluids are angularly spaced from each other on a common radius and are arrayed in an alternating pattern.
  • said flapper valve comprises: a substantially flat disc portion of suflicient size to cover the first end of said discharge passageway, a pivot member integral with said disc portion, said pivot member being journalled in said body member of said valve and a tail portion integral with said disc portion and disposed in a plane other than that of said disc portion.
  • cam surfaces are defined by a plurality of grooves in one face of said cam member, said grooves being arcuate and positioned on a common radius, said grooves being angularly spaced from each other whereby said tail portion of said flapper valve alternately engages a groove and then a flat cam face between said grooves when said cam is rotated, said flapper valve being thereby pivoted between an open position and a closed position with respect to the fluid discharge passageway.
  • Washing apparatus for open ended ampules, vials or the like, said apparatus comprising:
  • a rotary control valve for cycling the flow of at least two different fluids to the second end of each of said needles, said valve comprising:
  • a substantially 'flat cam member rotatably disposed in the chamber of said body member, said cam member having a first aperture arranged to register with the first end of each of said fluid outlet ports, a plurality of second apertures in communication'with said fluid discharge passageway a'nd a plurality of aligned cam surfaces arranged to engage said flapper valve tail portion when the first cam aperture is out of registry with the outlet end of said fluid intake passageway;
  • each-of said outlet ports is defined by anannular shoulder and wherein there is further included annular, resilient sealing means seated on each said shoulder and an annular orifice member having a low coeflicient of friction seated on each said sealing member, said cam member being arranged for sliding engagement with said orifice members.
  • said flapper valve comprises: a substantially flat disc portion of sufficient size to cover the first end of said discharge passageway, a pivot member integral with said disc portion, said pivot member being journalled in said body member of said valve and a tail portion integral with said disc portion and disposed in a plane other than that of said disc portion.
  • cam surfaces are defined by a plurality of grooves in one face of said cam member, said grooves being arcuate and positioned on a common radius, said grooves being angularly spaced from each other whereby said tail portion of said flapper valve alternately engages a groove and then a flat oam face between said grooves when said cam is rotated, said flapper valve being thereby pivoted between an open position and a closed position with respect to the fluid discharge passageway.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multiple-Way Valves (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Mechanically-Actuated Valves (AREA)
US508984A 1965-11-22 1965-11-22 Washing machine and valve therefor Expired - Lifetime US3353545A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US508984A US3353545A (en) 1965-11-22 1965-11-22 Washing machine and valve therefor
GB16939/66A GB1099060A (en) 1965-11-22 1966-04-18 Rotary control valve, particularly for a washing apparatus
DE19661532572 DE1532572C (de) 1965-11-22 1966-05-17 Waschmaschine zum Reinigen von Ampullen, Fläschchen od.dgl. Gegenständen
BE704169D BE704169A (OSRAM) 1965-11-22 1967-09-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US508984A US3353545A (en) 1965-11-22 1965-11-22 Washing machine and valve therefor

Publications (1)

Publication Number Publication Date
US3353545A true US3353545A (en) 1967-11-21

Family

ID=24024867

Family Applications (1)

Application Number Title Priority Date Filing Date
US508984A Expired - Lifetime US3353545A (en) 1965-11-22 1965-11-22 Washing machine and valve therefor

Country Status (3)

Country Link
US (1) US3353545A (OSRAM)
BE (1) BE704169A (OSRAM)
GB (1) GB1099060A (OSRAM)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568690A (en) * 1968-10-09 1971-03-09 Rudolph N Price Washing machine and valve therefor
US20150158058A1 (en) * 2011-11-22 2015-06-11 Michael Saier Device and method for connecting in a switchable manner
CN109047236A (zh) * 2018-08-03 2018-12-21 万伟 一种畜牧业食料盆清洗设备
US11389843B2 (en) 2014-10-27 2022-07-19 Michael Saier Apparatus and method for connecting in a switchable manner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2536695A (en) * 1945-08-21 1951-01-02 Novocol Chemical Mfg Co Inc Machine for rinsing ampoules and the like
US2658011A (en) * 1947-01-29 1953-11-03 Rudolph N Price Apparatus for and method of handling and washing ampoules and vials in packed-lots
US2963029A (en) * 1957-11-04 1960-12-06 Albert E Bock Four-cycle dishwashing machine
US3125959A (en) * 1964-03-24 Pumping apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125959A (en) * 1964-03-24 Pumping apparatus
US2536695A (en) * 1945-08-21 1951-01-02 Novocol Chemical Mfg Co Inc Machine for rinsing ampoules and the like
US2658011A (en) * 1947-01-29 1953-11-03 Rudolph N Price Apparatus for and method of handling and washing ampoules and vials in packed-lots
US2963029A (en) * 1957-11-04 1960-12-06 Albert E Bock Four-cycle dishwashing machine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568690A (en) * 1968-10-09 1971-03-09 Rudolph N Price Washing machine and valve therefor
US20150158058A1 (en) * 2011-11-22 2015-06-11 Michael Saier Device and method for connecting in a switchable manner
US10780470B2 (en) * 2011-11-22 2020-09-22 Michael Saier Device and method for connecting in a switchable manner
US11389843B2 (en) 2014-10-27 2022-07-19 Michael Saier Apparatus and method for connecting in a switchable manner
US20220288656A1 (en) * 2014-10-27 2022-09-15 Michael Saier Multiport valve
US11813647B2 (en) * 2014-10-27 2023-11-14 Michael Saier Multiport valve
CN109047236A (zh) * 2018-08-03 2018-12-21 万伟 一种畜牧业食料盆清洗设备
CN109047236B (zh) * 2018-08-03 2021-08-24 南京幸庄科技创新产业园管理有限公司 一种畜牧业食料盆清洗设备

Also Published As

Publication number Publication date
GB1099060A (en) 1968-01-10
DE1532572A1 (de) 1970-02-05
BE704169A (OSRAM) 1968-02-01

Similar Documents

Publication Publication Date Title
US2287356A (en) Lining machine
US3540694A (en) Dispensing valve assembly
US4026311A (en) Apparatus for cleaning inside and outside surfaces of containers
US3294030A (en) Positive displacement syrup pump
US3353545A (en) Washing machine and valve therefor
US3349973A (en) Receptacle filling machines
KR880005549A (ko) 음료 자동판매기용 시럽패키지
US2919073A (en) Mixer device
US4917348A (en) Filling nozzle cut-off valve
US3568690A (en) Washing machine and valve therefor
US3522824A (en) Automatic container filling apparatus
US3023848A (en) Lubrication device for conveyor chains
US2779506A (en) Ampoule filling apparatus
JPH0212838B2 (OSRAM)
US3459340A (en) Receptacle filling machines
GB728323A (en) Mixing apparatus comprising a revolving conveying screw and a liquid supply device
US2360565A (en) Filling machine
ES312035A1 (es) Instalacion para el suministro dosificado regulablemente de detergente liquido al liquido lavador en maquinas lavadoras de vajilla
US2805835A (en) Valve structure
JPH0430160Y2 (OSRAM)
US1538102A (en) Gasoline-dispensing device
US2756961A (en) Valves
US2033329A (en) Apparatus for dispensing liquids
US2244292A (en) Meter cleaner
US864560A (en) Keg-sprinking machine.