EP0069699A1 - Récipient distributeur de produits liquides ou pâteux avec dispositif pour la réduction de déchet d'expulsion - Google Patents

Récipient distributeur de produits liquides ou pâteux avec dispositif pour la réduction de déchet d'expulsion Download PDF

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Publication number
EP0069699A1
EP0069699A1 EP19820810200 EP82810200A EP0069699A1 EP 0069699 A1 EP0069699 A1 EP 0069699A1 EP 19820810200 EP19820810200 EP 19820810200 EP 82810200 A EP82810200 A EP 82810200A EP 0069699 A1 EP0069699 A1 EP 0069699A1
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EP
European Patent Office
Prior art keywords
container
channel
hollow body
product
product container
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.)
Withdrawn
Application number
EP19820810200
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German (de)
English (en)
Inventor
Winfried Jean Werding
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
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0069699A1 publication Critical patent/EP0069699A1/fr
Withdrawn legal-status Critical Current

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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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0061—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by the contracting forces inherent in the bag or a sleeve fitting snugly around the bag

Definitions

  • the present invention relates to a container containing a pinch pressure source which acts on creamy or liquid media, an outlet valve element for these media, and a device which is capable of reducing the pinch pressure loss inevitably occurring due to stress and storage aging to keep possible and allowed to completely empty the container, except the valve channels.
  • Swiss Patent No. 618 355 a rigid inner core, over which a rubber hose as a pressure source is stretched, which has an outside diameter that is preferably 75% larger than the inside diameter of the unstressed rubber hose, thereby avoiding that through Permanent enlargement of the inner tube diameter caused by tension and aging leads to a loss of product due to loss of tension.
  • the loss of contraction force can be reduced by limiting the elongation percentage from 450%, described in Swiss Patent No. 618,355, to 225% and preferably adding C02 or other inert gases to the product, as the applicant in European Patent Application No. 80901498.8 proposes.
  • the contraction pressure of the rubber hose prevents the leakage on the filling day C02 from the product solution.
  • a C02 gas bubble forms, which acts on the product level with its pressure. Since the rubber hose contracts when it is ejected, so the residual volume between the gas bubble and the product level remains the same, the COs pressure acting on the product level also remains the same.
  • this solution means that such a spray can must always be used in a vertical position, otherwise there is an escape of C02, which then leads to a loss of pressure.
  • this system is very sensitive to temperature.
  • a container with a shoulder and base part containing a core, a pinch pressure source made of macromolecular material of the rubber type, a flexible product container which is stored inside the pinch pressure source, a valve with a product dispensing element, the product container and pinch pressure source being tubular and attached their two ends can be spanned on a rigid core, characterized in that ge as an inflatable hollow body in the axis of the product container designed core made of macromolecular material of the rubber type.
  • the elasticity modules and the wall thicknesses of the hollow body and the squeezing pressure source, including the product container are in predetermined proportions and that the hollow body is provided with a valve at least at one end, that the inner wall of the container on the one hand the expansion of both the squeezing pressure source, including the product container, as well of the hollow body radially limited that on the other hand the inner wall of the shoulder part and the bottom part has an at least approximately ovoid shape, which is located at the level of the axial, diagonal-radial expansion points of the squeezing pressure source, including the product container, that the shoulder part into a cylindrical part and the bottom part also mouth into a cylindrical part, the diameter of which is so large that the ends of an assembled device according to the invention can be introduced there and that means are provided which prevent an unspecified axial extension of the device according to the invention n that the inside diameter of the container is in a fixed relationship to the outside diameter of the squeeze pressure source in the untensioned state and that the wall thickness of the container is selected
  • the present invention is based on a purely mechanical system in which temperature fluctuations have no appreciable influence on the functioning.
  • the container 1 is a sectional view through a container 1 according to the invention, containing a device according to the invention.
  • the container 1 has a shoulder part 2 and a bottom part 3, which have the ovoid seats 4 and 5, respectively, the shapes of which are adapted to those which the stretched rubber hose 6 and the one located therein :.
  • the shoulder part 2 merges into the cylindrical neck 8 and the bottom part 3 into the cylindrical seat 9, which serve to receive the non-stretchable ends of the rubber hose 6 and the product container 7.
  • an assembled device according to the invention is shorter than the distance between the end faces of the neck 8 and the seat 9.
  • the device according to the invention allows the device according to the invention to be axially extended during filling, without an unduly high thrust on the Exercise end faces of the neck 8 and the seat 9, whereby their wall thicknesses can be kept as thin as possible. Furthermore, the rubber tube 6 can thereby be kept taut even after the product container 7 has been completely emptied, because the inflatable hollow body 20 described below, once inflated, is no longer shortened. Thanks to the tension of the rubber hose 6 until the product container 7 is completely emptied, the contraction pressure acting on the filling product remains sufficiently high to ensure atomization of the filling product.
  • the inner diameter of the rubber hose 6 can thereby be kept so large that it can be easily mounted over the unfilled product container 7, which makes manual assembly possible, or allows longer cycle times in the case of automatic assembly, that is to say is inexpensive.
  • a device according to the invention, which is shorter in the unfilled state, is also cheaper because it requires less expensive rubber material.
  • the neck 8 of the container 1 is provided with the snap ring rib 10, which snaps into a corresponding groove 11 in the valve body 12.
  • a screw cap can also be provided, as represented by the dashed lines 13.
  • the valve body 12 is provided with the tubular part 14, which has a seat 16 provided with a plurality of ring ribs 15, to which the product container 7 and the rubber hose 6 are tightly fastened by means of the hose clamp 17.
  • the seat 18 At the end of the pipe section 14 is the seat 18 provided with a plurality of ring ribs 19, to which the inflatable hollow body 20 is fastened by means of the hose clamp 21.
  • the tube part 14 is sealed with the cover 22.
  • the other end of the hollow body 20 carries the tubular part 23, which is provided with the ring ribs 24, on which the hollow body 20 is tightly attached with the hose clamp 25, while the product container 7 and the rubber hose 6 on the ring ribs 26 with the hose clamp me 27 are attached.
  • a check valve 28 which consists of a serrated pipe plug 29 and the sealing washer 30, which closes the opening 31 too tightly to the outside as soon as the hollow body 20 is under pressure.
  • the pipe section 23 with the product container 7 attached to it and the rubber hose 6 is mounted in the cylindrical seat 9, the bottom 32 of which is an axial displacement resulting from inflation of the hollow body 20 and filling of the product container 7 and thereby expansion of the rubber hose 6; extension of the device according to the invention limited.
  • the bottom 32 is provided with the hole 33 through which the hollow body 20 is inflatable.
  • the valve body 12 has a longitudinal bore 36 into which the channel 35 of the tubular part 14 opens, which is connected to the product container 7 via the transverse channels 34.
  • the piston 37 In the bore 36 is the piston 37, which is provided with a channel 38, open into the transverse channels 39, which can be closed by means of the sealing washer 40.
  • the end 41 of the valve body 12 is provided with a conical round opening 42 which can be closed with the conical stopper made of elastic material 43.
  • the plug 43 is attached to the piston 37 with its tubular part 44, the end of which has an annular lip 44a, and closes the longitudinal bore 36 radially in the direction of the end 41 thanks to the lips 44a.
  • the plug 43 is provided with the slot 45, which, because in the conical circular opening 42 remains clamped closed and thus also closes the channel 38.
  • the end 46 of the valve body 12 is provided with the sleeve 47, which presses the sealing washer 40 firmly against the annular rib 48 and seals the bore 36 at this level, the sleeve 47 also serving as the seat of the compression spring 39, which moves the piston 37 in the direction of the end 46 presses and thus pulls the cone 43a of the plug 43 so firmly into the inverted conical round opening 42 that the slot 45 remains locked, as mentioned.
  • the filling of the subject matter of the invention can, for example, proceed as follows: the check valve 28 fills the hollow body 20 until it at most assumes the shape represented by the line 50. Then you fill over the valve body 12 and the pipe part 14, the product container 7, which, self-expanding, also expands the rubber hose 6 until both radially in their expansion through the container 1 and its shoulder part 4 and bottom part 5 as well as by means of the Face ends of the neck 8 and the seat 9 are limited axially. and the filling is continued until the predetermined filling content is reached.
  • the incompressible medium 51 can no longer expand the product container 7 and the rubber tube in the directions described above, thanks to the limitations of the container 1, the filling pressure propagates onto the hollow body 20, depending on the filling content, this through giving the line 52 shown form, which then leads to a substantial increase in pressure inside because of the internal volume reduction of the inflated hollow body 20.
  • This pressure tends to inflate the hollow body, but is prevented by the incompressibility of the medium 51 and the rigid walls of the container 1.
  • the pressure transferred from the product to a measuring instrument remains practically constant.
  • the voltage and storage aging pressure loss only has an effect when emptying begins, but is compensated according to the invention as described below.
  • the plug 43 is ejected from the opening 42 and the medium 51, on which the contraction pressure of the product container 7 and the rubber hose 6 acts on the one hand and the expansion pressure of the hollow body 20 on the other hand, opens the slot 45 of the plug 43 thanks to this conjugated ejection pressure 6 illustrates. If you stop the pressure on the piston 37, the compression spring 49 presses it back into its starting position and the transverse channel comes to rest again in the sealing disk 40, which seals it.
  • the plug 43 is pulled into the opening 42, the diameter of which is smaller than the outside diameter of the plug 43, so that, because of the elastic material, the plug 43 is compressed, which closes the slot 43, so that it is located in the channel 38
  • Medium 51 does not remain in contact with the atmospheric oxygen and cannot dry out either.
  • the hollow body 20 continuously takes on a larger volume, as is shown, for example, by lines 53 and 54, thanks to its expansion efforts caused by increased internal pressure to finally resume the shape of line 50. Since the hollow body compressed by the product pressure is subjected to practically no stress stress during storage, there is also no stress aging.
  • FIG. 2 shows another advantageous embodiment of the invention, in which the medium 51, for example hair lacquer, is atomized when ejected thanks to a known spray nozzle 57.
  • the container 1 is blown from plastic (for example polyethylene), the neck 58 being provided with the external thread 59.
  • the valve unit 60 consists of the valve body 61, the piston 62, the seal 63 and the compression spring 64.
  • the valve body 61 has a seat 16 with ring ribs 15, to which the product container 7 and the rubber hose 6 are tightly fastened by means of the hose clamp 17.
  • At the lower end of the valve body 61 there is the seat 18 with ring ribs 19, to which the inflatable hollow body 20 is fastened by means of the hose clamp 21.
  • the hollow body 20 and the product container 7 are made of the same elastomer, preferably butyl and best of bromobutyl, while the rubber tube is preferably made of natural rubber.
  • the channel 35, in which the compression spring 64 is located, is connected to the product container via transverse channels 34.
  • the piston stop 65 is located in the axis of the channel 35.
  • the piston 62 consists of two parts, the pipe section 66 and the bushing 67, which receives the pipe piece 66, the channel 68 of which opens into a cross groove 69 which is connected to side vertical grooves 70 which, together with the inner wall of the sleeve 67, form four passages 70.
  • the compression spring 64 presses the piston unit 62 firmly against the sealing disk 63, as a result of which the passages 70, the cross groove 69 connected thereto and the channel 68 are sealed against the medium 51 which is under pinching pressure.
  • the sealing washer 63 is by means of the sleeve 71 pressed sealingly against the valve body 61, the snap closure 72 ensuring firm anchoring between the valve body 61 and the sleeve 71.
  • the unfilled inventive device is introduced into the container 1, the tube piece 23 is mounted at the entrance of the cylindrical seat 9 and the flange 72 of the sleeve 71 rests on the neck 58 of the container 1, so that the snap v er circuit snaps into place, so 74 anchoring of the device according to the invention in the container 1 is guaranteed. Since the device according to the invention extends axially during filling and could then overcome the anchoring of the snap lock 74, a union nut 75 is provided, the internal thread 76 of which is screwed onto the external thread 59 of the neck 58 and thus guarantees secure anchoring.
  • FIG 2 shows a device according to the invention in the filled state during storage and shows that the hollow body 20 assumes the approximate shape 52 under the radial pressure acting on it, so that there is a large pressure reserve in it, as described above in FIG 1 is described.
  • the wall thickness of the rubber hose 6, which serves as a squeeze pressure source must be kept as thin as possible, so that one does not squeeze it pressure can be increased arbitrarily by means of a larger wall thickness, but it can happen that a product requires very fine atomization, which would be achievable with high squeezing pressure, but which is not available for the aforementioned reasons.
  • the device shown in FIG. 5 is provided with a valve which, when opened, sucks in air and mixes it with the product 51 being emitted in the form of bubbles.
  • the rubber hose 6 and the product container 7 with the hose clamp 77 and the hollow body 20 with the hose clamp 78 are fastened to the valve body 61.
  • the valve body 61 has a nipple 79 to which a flexible tube 80 is fastened, which is located in the axis of the hollow body 20 and is tightly connected to the nipple 81 of the check valve body 82, the total length of the tube 80 being selected such that it is stretched when the device according to the invention reaches its greatest predetermined length in the filled state.
  • the rubber hose 6 and the product container 7 are fastened to the valve body 82 with the hose clamp 83, and the hollow body 20 with the hose clamp 84.
  • the valve body 82 has the channel 85 with the conical inlet 86 and the transverse channel 87, which is covered with the rubber hose 88 in such a way that air can enter the hollow body 20 via the transverse channel 87, but can no longer escape from there, so that a Check valve is materialized.
  • the valve body 61 is thus connected to the outside air via the tube 80, the channel 85 and the inlet 86.
  • the valve body 61 has the cavity 89, which is connected to the product container 7 via the channels 90, so that the product 51, which is under pinching pressure, can get into the cavity 89. This serves to mount the clamping sleeve 91, which the seal 92 against the annular rib 93 of the valve body 61 presses.
  • the clamping sleeve 91 has longitudinal cuts 94 in the upper part, via which the product 51 reaches the valve chamber 95.
  • the main piston 96 which carries the seal 97, which is pressed with the compression spring 98 in a sealing manner onto the ring gear 99, the cone 100 of the main piston 96 also having a sealing effect.
  • the clamping sleeve 91 contains the compression spring 101, which is supported against the main piston 96.
  • the seal 102 lies on the sharp edges of the valve body 61, the clamping sleeve 91 and the main piston 96 and is pressed with the sleeve 103 of the container 1, thanks to the snap closure 104, so tightly onto the aforementioned sharp edges that not only the valve body 61, the clamping sleeve 91 and the main piston 96 are sealed by penetrating the seal 102 upwards, but that the clamping sleeve 91 is pressed so tightly on the seal 92 that the annular rib 93 penetrates the seal 92 and the cavity 89 against the tube 80 and thus seals against the outside air.
  • the closure sleeve 105 At the lower end of the main piston 96 is the closure sleeve 105, which closes the channel 106 downwards.
  • the pin 114 which has the longitudinal channel 115 and the transverse channel 116, the longitudinal channel 115 being closed axially downwards and the transverse channel 116 opening into two side grooves 117 which extend to the closed end of the pin 114 and thus lie in the direction of escape with the ring constriction 113.
  • the length of the pin 114 is held so that its closed end in a predetermined distance agnz is close to the dun Ausmün- g of the channel 106, prevents die.Ringrippe 118 that the closed end of the pin 114 closes this mouth.
  • the product 51 which is under pinch pressure, leaves the cavity 89 via the side grooves 110 and the bottom grooves 111 and arrives in the ring channel 112 and its ring constriction 113, where it is accelerated and loses some pressure, which, however, builds up again in the side grooves 117 of the pin 114 .
  • the product flowing past the cross channel 119 has a higher pressure than the outside air pressure and the cross section of the cross channel 119 is smaller than the cross section of the ring constriction 113 and is perpendicular to it, the product 51 which is being expelled sucks outside air, thanks to the VENTURI effect described which forms tiny air bubbles in the product, which then relax when they come out of the spray nozzle in contact with the outside air and, as described, reduce the size of the droplets that have already been mechanically atomized.
  • the dashed line 120 shows the shape that the hollow body 20, and the dotted line 121 the shape that the rubber tube 6 and the product container 7 according to absoluti g he approximate product emptying.
  • the container 1 is closed at the bottom with a base part, the holder, depending on the material used, being achieved by welding, gluing, screwing, snapping, etc.
  • the hose clamp according to the invention consists of a band which has an opening 123 at one end and a hook 124 at the other end, which can be hooked into the opening 123.
  • the barbs 125 and 126 are located at a short distance from the opening 123 and the hook 124.
  • the present invention is of course not limited to the exemplary embodiments mentioned.
  • the cavity between the inner tire and outer tire is then provided with a valve and the double-walled tire approximate product emptying.
  • the container 1 is closed at the bottom with a bottom part 122, the holder, depending on the material used, being achieved by welding, gluing, screwing, snapping, etc.
  • the hose clamp according to the invention consists of a band which has an opening 123 at one end and a hook 124 at the other end, which can be hooked into the opening 123.
  • the barbs 125 and 126 are located at a short distance from the opening 123 and the hook 124.
  • the present invention is of course not limited to the exemplary embodiments mentioned.
  • the cavity between the inner tire and outer tire is then provided with a valve and the double-walled tire is mounted on the rim like a tubeless tire. If you then fill the inner tire, it will blow. until it touches the inner wall of the outer tire. If you then fill the cavity between the inner and outer tires, the inner tire is compressed again because it is more elastic than the outer tire. If the outer tire is now leaking, the inner tire inflates again and protects the outer tire from unwanted wear for a while and can also serve as an emergency tire with which you can drive to the next garage.
  • the subject matter of the invention could also be constructed as a fuel tank for propeller aircraft in order to have an even fuel distribution at high altitudes despite falling air pressure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP19820810200 1981-05-20 1982-05-14 Récipient distributeur de produits liquides ou pâteux avec dispositif pour la réduction de déchet d'expulsion Withdrawn EP0069699A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3277/81 1981-05-20
CH327781A CH653969A5 (de) 1981-05-20 1981-05-20 Behaelter zur ausgabe von fluessigen oder cremigen produkten mit einer vorrichtung zur verminderung der ausgabeverluste.

Publications (1)

Publication Number Publication Date
EP0069699A1 true EP0069699A1 (fr) 1983-01-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820810200 Withdrawn EP0069699A1 (fr) 1981-05-20 1982-05-14 Récipient distributeur de produits liquides ou pâteux avec dispositif pour la réduction de déchet d'expulsion

Country Status (2)

Country Link
EP (1) EP0069699A1 (fr)
CH (1) CH653969A5 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146076A (en) * 1983-09-02 1985-04-11 Corrugated Prod Ltd Containers for carbonated liquids
EP0432343A1 (fr) * 1989-12-08 1991-06-19 Berthold H. Dr. Daimler Récipient sous pression
EP1454845A1 (fr) * 2003-03-07 2004-09-08 GMG Beratungs- und Beteiligungs GmbH & Co. KG Distributeur de liquide et procédé pour son fonctionnement
EP2924100A1 (fr) 2014-03-27 2015-09-30 Henkel AG & Co. KGaA Produit de nettoyage ou de lavage liquide contenant un agent moussant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876115A (en) * 1972-04-27 1975-04-08 Plant Ind Inc Double expansible bladder container
DE2747045A1 (de) * 1976-10-21 1978-04-27 Winfried J Werding Vorrichtung fuer die abgabe von gasfoermigen, fluessigen oder cremigen produkten sowie verfahren zu deren herstellung
EP0024263A1 (fr) * 1979-08-21 1981-02-25 Winfried Jean Werding Dispositif et procédé pour la distribution de produits liquides ou pâteux sous pression

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3876115A (en) * 1972-04-27 1975-04-08 Plant Ind Inc Double expansible bladder container
DE2747045A1 (de) * 1976-10-21 1978-04-27 Winfried J Werding Vorrichtung fuer die abgabe von gasfoermigen, fluessigen oder cremigen produkten sowie verfahren zu deren herstellung
EP0024263A1 (fr) * 1979-08-21 1981-02-25 Winfried Jean Werding Dispositif et procédé pour la distribution de produits liquides ou pâteux sous pression

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146076A (en) * 1983-09-02 1985-04-11 Corrugated Prod Ltd Containers for carbonated liquids
EP0432343A1 (fr) * 1989-12-08 1991-06-19 Berthold H. Dr. Daimler Récipient sous pression
EP1454845A1 (fr) * 2003-03-07 2004-09-08 GMG Beratungs- und Beteiligungs GmbH & Co. KG Distributeur de liquide et procédé pour son fonctionnement
EP2924100A1 (fr) 2014-03-27 2015-09-30 Henkel AG & Co. KGaA Produit de nettoyage ou de lavage liquide contenant un agent moussant
DE102014205698A1 (de) 2014-03-27 2015-10-01 Henkel Ag & Co. Kgaa Treibmittelhaltiges flüssiges Wasch- oder Reinigungsmittel

Also Published As

Publication number Publication date
CH653969A5 (de) 1986-01-31

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