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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
  • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
  • B67D7/0288—Container connection means
  • B67D7/0294—Combined with valves
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D1/00—Apparatus or devices for dispensing beverages on draught
  • B67D1/04—Apparatus utilising compressed air or other gas acting directly or indirectly on beverages in storage containers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
  • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
  • B67D7/0238—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers
  • B67D7/0255—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers squeezing collapsible or flexible storage containers
  • B67D7/0261—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants utilising compressed air or other gas acting directly or indirectly on liquids in storage containers squeezing collapsible or flexible storage containers specially adapted for transferring liquids of high purity
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T137/00—Fluid handling
  • Y10T137/2931—Diverse fluid containing pressure systems
  • Y10T137/3115—Gas pressure storage over or displacement of liquid
  • Y10T137/3127—With gas maintenance or application
  • Y10T137/314—Unitary mounting for gas pressure inlet and liquid outlet

Definitions

• the present invention relates to a container for storing, transporting, and distributing fluids such as chemicals for electronic industry.
• the present invention relates to a fluid container including a joint for discharging fluid.
• chemicals for electronic industry such as photoresist are stored in a chemical container for transportation and delivered to a manufacturing factory.
• Such chemical containers are classified into a link system in which the same container is used repeatedly and a one-way system in which a new container is used each time.
• a one-way type container in order not to affect the purity of high-purity chemicals, it is preferable to use a one-way type container, but there is a disadvantage that it is not economical.
• a double-type storage container that combines the above two types has become widespread.
• a double-retractable container has a bag (bag) made of a flexible film cover that has been washed in advance.
• the film bag is formed from an inert material and placed in an outer container. After the film 'bag force has also drained the drug, this film' bag is discarded and a new film 'bag is filled with the drug.
• the outer container including the joint is repeatedly used.
• Patent Document 1 Japanese Patent Laid-Open No. 6-100087
• FIG. 5 is a cross-sectional view of the top end portion of the container according to Patent Document 1, and shows a state in which a cap is attached.
• FIG. 5 of the present application corresponds to FIG. 3 of Patent Document 1.
• Figure 6 shows the patent literature.
• FIG. 2 is a cross-sectional view of the upper end of the container according to 1, showing the assembled state of the container and the dispenser.
• FIG. 6 of the present application corresponds to FIG.
• the container according to Patent Document 1 includes a container 7 and a dispenser 8. ing.
• the container 7 includes an outer container 716 having a port (hereinafter referred to as an attachment body) 718, a pumping tube 722 having a fluid passage 780, and a coupling 724.
• the coupling 724 is provided at the upper end of the tube 794 so as to be inserted into the mounting body 718, and a space 776 provided at the upper end thereof, and a fluid passage connecting the space 776 to the fluid passage 780 of the tube 794.
• the container 7 further includes a ventilation passage 782 for allowing gas to flow between the inside of the outer container 716 and the space 776, and a breakable seal 727 provided on the top end of the mounting body 718.
• the dispenser 8 includes a probe 846 that can be inserted into the cavity 790 via a seal 727 and has a fluid passage 844.
• a compressed fluid passage is connected to the probe 846 and accommodates a liquid chemical discharged from the outer container 716 via the tube 794, the coupling 724, and the fluid passage 844 of the probe 846.
• the outer container 716 has a mouth portion 730 in which a male screw is formed, and a retainer 719 and a mounting body 718 are attached in the mouth portion 730.
• the container 7 is provided with a bag 720 having a flexible film force inside the outer container 716. After attaching the attachment body 718 with the knot 720 attached to the mouth 730 of the outer container 716, it is preferably inflated with nitrogen or compressed air before the bag 720 is filled with liquid chemical. Thereafter, the nod 720 is filled with the liquid chemical via the mounting body 718. Next, the pumping tube 722 and the coupling 724 of the pumping tube 722 are inserted into the mounting body 718. The lid 726 places a breakable seal 727 on the top end of the mounting body 718 and seals the cavity 776. In addition, a cap 728 can be provided on the mouth 730 of the container 7 to cover the breakable seal 727.
• the container 7 according to Patent Document 1 includes a breakable seal 727, and the probe 846 provided in the dispenser 8 breaks through the seal 727 so that the probe 846 can be inserted into the space 790. Yes (see Figure 6). However, at this time, the fragment of Seal 727 There is a problem that it enters the bag 720 through the void 790 (see FIG. 5). Also, depending on the manufacturer, there was a problem that the seal 727 could not be broken well and the probe 846 was clogged and could not be connected. The above problem can be solved by connecting the dispenser to the container without using a breakable seal. Furthermore, it is more preferable if it can be connected to the container with a single touch without screwing the dispenser.
• the container 7 according to Patent Document 1 is an assembly in which the pumping tube 722 and the coupling 724 are configured separately, and one end of the pumping tube 722 is press-fitted into the coupling 724 ( (See Figure 5).
• the pumping tube 722 with this coupling 724 is a force that is reused after cleaning. In order to remove chemicals that have penetrated into the gaps in the press-fitting part, it takes time and effort to disassemble and reassemble (press-fit) after cleaning. Met. By integrating the coupling and the pumping tube, such trouble can be saved.
• the edge portion 787 formed at the upper end of the coupling 724 is only slightly larger in diameter than the outer diameter of the coupling 724. Then, there was a risk that the pumping tube 722 with the coupling 724 would fall into the bag 720 over the step provided in the space 776 of the mounting body 718. There is a need for a structure that allows the extraction tube to be easily attached to the container without depending on the operator's force. These can be said to be the problems of the present invention.
• the present invention has been made in view of such a problem, and is a dual storage type fluid container in which a bag having a flexible film force is provided inside an outer container. It is an object of the present invention to provide a fluid container in which a tube can be securely attached and a fluid discharge passage provided in a dispenser can be easily and reliably connected to the pumping tube. Means for solving the problem
• the inventors of the present invention have a structure in which a liquid discharge tube having a collar portion can be attached to the mouth portion of the outer container via a retainer, and the flow path provided in the dispenser has a liquid discharge tube.
• the structure can be directly connected to the fluid passage of the hub. Based on this, the inventors have invented the following new fluid container.
• a fluid container comprising: a flexible bag having a neck portion that is open so that liquid can be injected; and an outer container that supports the neck portion by a mouth portion and accommodates the bag. And A cylindrical retainer held by the mouth, a substantially cylindrical header portion protruding from the inside of the cylindrical bottom on one end side, and a cylindrical portion fitted to the opening of the neck portion on the other end side; And a retainer having a through hole penetrating from one end side to the other end side, a one end side having a flange closely attached to the top surface of the header portion, and the other end side being a liquid discharge tube inserted into the through hole
• a plurality of first openings provided at the bottom of the neck portion and communicating between the inside of the outer container and the inside of the neck portion, and the header portion from the periphery of the cylindrical portion.
• a first ventilation means having a plurality of second openings communicating with the top surface of
• a second ventilation means capable of venting gas to the mouth portion, and has a plurality of third openings provided in the collar portion and communicating the mouth portion and the inside of the through hole.
• the liquid is removed, before the liquid in the liquid discharge tube is discharged to the mouth, the gas in the outer container and the gas in the bag pass through the first and second ventilation means, respectively.
• a sealing means for escaping out of the mouth
• the fluid container according to the invention of (1) comprises a flexible nog and an outer container.
• the nog has a neck portion that is open so that liquid can be injected.
• the outer container can accommodate the bag with the neck portion supported by the mouth portion.
• a bag is composed of a flexible film bag made of an inert material and a neck portion made of a relatively hard synthetic resin, and the neck portion is welded to the end of the bag body. Speak.
• This nog has been washed in advance and is accommodated in the outer container. After draining the liquid, the nodaka also discards the bag with the neck and places a new bag with the neck in the outer container.
• This fluid container is a double containment type container where the outer container is used repeatedly and a new bag is used each time.
• the outer container is preferably made of a strong material in order to enable repeated use.
• Examples of such outer containers include metal drums made of stainless steel and welded, but are not limited to metal drums. Materials may be used.
• the outer container is preferably a steel drum that is composed of a bottom plate, a side wall having an annular zone, and a top plate having a raised center.
• the outer container may be easily transported by providing a pair of handles formed with a male screw formed in the mouth (also called a stopper).
• a flange is formed on the opening side of the neck portion, and on the other hand, a step is provided on the inner wall of the mouth portion, and when the flange is locked to the step, the neck portion is formed on the mouth portion. Supported. After the bag is contained in the outer container and the neck attached to the knot is supported by the mouth of the outer container, the bag is preferably inflated with nitrogen or compressed air. After that, the nog is also injected with the opening force at the neck.
• the fluid container according to the invention of (1) includes a cylindrical retainer and a liquid discharge tube.
• the retainer is held in the lower part.
• the retainer has a substantially cylindrical header portion on one end side and a cylindrical portion on the other end side. Furthermore, the retainer has a through hole penetrating from one end side to the other end side.
• the header portion is raised from the cylindrical bottom of the retainer.
• the tube part fits into the opening of the neck part.
• the liquid discharge tube has a flange on one end side that is in close contact with the top surface of the header. Also, the other end of the liquid discharge tube is inserted into the through hole of the retainer.
• the liquid discharge tube has a fluid passage extending to one end and the other end, and the liquid in the bag is discharged through the fluid passage.
• the retainer fits into the neck portion supported by the mouth portion whose outer diameter is slightly smaller than the inner diameter of the neck portion.
• a flange having an outer diameter slightly smaller than the inner diameter of the mouth portion may be provided on one end side of the retainer, and an O-ring may be supported on the flange to seal the mouth portion.
• the retainer is held in the mouth portion together with the neck portion by fastening a lid, which will be described later, to the mouth portion.
• a predetermined gap is provided between the bottom outer wall of the retainer and the bottom inner wall of the mouth, and a gas is formed between a first opening described later provided in the bottom of the neck portion and a second opening described later provided in the retainer. Can ventilate.
• the cylindrical portion is provided so as to protrude the bottom force of the retainer, and the cylindrical portion is fitted into the opening of the neck portion.
• an O-ring is carried inside the opening of the neck portion, and the O-ring is in close contact with the outer periphery of the tube portion, whereby the gas in the nose can be sealed.
• a through hole means that the force on one end of the retainer penetrates to the other end. This means that the through hole penetrates, and the liquid discharge tube is inserted into the through hole. It is preferable that a gap is provided between the through hole and the outer periphery of the liquid discharge tube so that the gas in the nozzle can be vented to a third opening described later.
• the fluid container according to the invention of (1) includes a first ventilation means capable of venting gas from the inside of the outer container to the mouth, and a second vent capable of venting gas from the inside of the bag to the mouth. Ventilation means and sealing means for sealing the mouth are provided.
• the first ventilation means has a plurality of first openings and a plurality of second openings. The plurality of first openings are provided at the bottom of the neck, and communicate the inside of the outer container with the inside of the neck. The plurality of second openings communicate with the top surface of the header portion from the periphery of the cylindrical portion.
• the second ventilation means has a plurality of third openings. These third openings are provided in the collar portion of the liquid discharge tube, and communicate the mouth portion with the inside of the through hole of the retainer.
• the fluid container according to the invention of (1) prevents both liquid and gas from flowing out from the mouth when the sealing means is attached.
• the gas in the outer container and the gas in the bag pass through the first and second ventilation means, respectively, before the liquid in the liquid discharge tube is discharged to the mouth. I started to run out of my mouth!
• the first opening is provided around the opening of the neck part into which the cylindrical part that is a through hole formed in the bottom part of the neck part is inserted.
• the first opening substantially communicates the internal space of the outer container with a gap provided between the retainer and the lower portion.
• the second opening is provided between the cylinder part and the header part, which is a slit penetrating from the circumference of the cylinder part to the top surface of the header part. The second opening substantially communicates a gap provided between the retainer and the neck portion with the atmosphere.
• the third opening is a through hole formed in the collar portion of the liquid discharge tube and penetrates from the upper surface of the collar portion to the periphery of the tube.
• an O-ring is supported on the lower surface of the flange portion, and the O-ring is in close contact with the top surface of the header portion, thereby sealing the through hole.
• the third opening substantially communicates the gap between the inner wall of the through hole and the outer wall of the liquid discharge tube and the atmosphere. As described above, this gap can be vented to the internal space of the bag.
• the sealing means is a cap as will be described later, and this cap is a cap screwed into the lid. And a bushing force projecting into the cap body, and the bushing includes an O-ring that is in close contact with the surface of the collar and seals air from the fluid passage. And by the sealing means including this O-ring, it is possible to prevent both liquid and gas from flowing out from the mouth.
• the sealing means When the sealing means is removed, before the liquid in the liquid discharge tube is discharged to the mouth, the gas in the outer container and the gas in the bag are respectively the first and second ventilation means. Because it escapes out of the mouth through! /, The liquid in the discharge tube can be prevented from being discharged out of the mouth.
• the fluid container according to the invention of (1) is completely different from the conventional structure according to Patent Document 1.
• the fluid container according to the invention of (1) corresponds to the “coupling 724” at the upper end of the “pumping tube 722” in Patent Document 1, and is connected to the fluid passage 780 of the pumping tube 722. It is not provided with a “vacancy 776” corresponding to “vacancy 776” at the upper end of “coupling 724” (see FIGS. 5 and 6).
• the gas in the liquid discharge tube, the gas in the outer container, and the gas in the bag are individually sealed by a sealing means.
• the sealing means When the sealing means is removed, the pressure in the liquid discharge tube, the pressure in the outer container, and the pressure in the bag immediately coincide with the atmospheric pressure, so that the liquid in the liquid discharge tube goes out of the mouth. It can be prevented from being discharged.
• the fluid container according to the invention of (1) has a structure in which the liquid discharge tube having the collar portion can be attached to the mouth portion of the outer container via the retainer, so that the liquid does not depend on the force of the operator.
• the extraction tube can be easily attached to the container.
• the liquid discharge tube has the flange portion.
• the liquid discharge tube can heat-weld the tube by ultrasonic vibration in the middle of reaching the other end side force having the flange portion.
• the liquid discharge tube since the liquid discharge tube has an integrated structure, it is possible to eliminate the trouble of removing the chemical that has permeated into the gap of the press-fitting portion of the pumping tube, which has a separate body force as before. .
• the fluid container further includes an annular lid screwed into the mouth portion, and the lid includes the neck portion and the retainer. Fluid container to be held in the mouth.
• the sealing means is a cap
• the cap includes a cap body having a light-shielding property that is screwed onto the lid, and a cap body of the cap body.
• a corrosion-resistant bushing force protruding inside is also a corrosion-resistant bushing force protruding inside, and this bushing is a fluid container provided with an O-ring that adheres tightly to the surface of the flange and seals ventilation from the fluid passage.
• the cap body is made of a metal body, and an internal thread that is screwed into the lid is provided on the inner periphery of the cap body.
• the cap body has a light-shielding property so that chemicals (eg, image liquid) contained in the nodule do not change chemically.
• the bush is likely to come into contact with chemicals contained in the bag, so it is preferable that the bush is made of a synthetic resin that has corrosion resistance.
• one end of the bush can be press-fitted into the cap body so that the bush and the cap body can be integrated. The other end of the bush protrudes into the cap body.
• the bush carries an O-ring on the tip surface. The O-ring can prevent the liquid and gas from flowing out from the fluid passage by being in close contact with the surface of the collar.
• the liquid in the liquid discharge tube is discharged to the mouth portion when the screw engagement with the lid is released on the side periphery of the cap body.
• the gas in the outer container and the gas in the bag are provided with one or more ventilation holes through which the gas escapes from the mouth through the first and second ventilation means, respectively.
• container [0040] (7) A fluid container in which a dispenser is connected to a fluid container, wherein the fluid container includes a flexible bag having a neck portion that is open so that liquid can be injected, and the neck portion.
• An outer container that holds the bag by supporting the bag, a cylindrical retainer that is held by the mouth, a substantially cylindrical header that protrudes from one end of the cylindrical bottom, and the like
• a cylindrical portion that fits into the opening of the neck portion on the end side, a retainer that has a through hole that penetrates from one end side to the other end side, and a flange portion that is in close contact with the top surface of the header portion.
• the other end side is a liquid discharge tube inserted into the through hole, and has a fluid passage extending to one end force to the other end, and a liquid discharge channel through which the liquid in the bag is discharged through the fluid passage.
• a first vent hand capable of venting gas from the inside of the outer container to the mouth
• a plurality of first openings provided at the bottom of the neck portion and communicating between the inside of the outer container and the inside of the neck portion, and a peripheral force of the tube portion, and communicated with the top surface of the header portion.
• a first ventilation means having a plurality of second openings, and a second ventilation means capable of venting air from the inside of the bag to the mouth part, provided in the collar part, the mouth part and the penetration
• a second ventilation means having a plurality of third openings communicating with the inside of the hole, and the dispenser is held in a cylindrical outer cylinder and inside the outer cylinder so as to be movable forward and backward in the axial direction.
• a valve mechanism having an intermittent flow path, and a sleeve held on the outer periphery of the outer cylinder on the opening side, and having a lock mechanism that can be detachably locked so as to cover the header portion;
• the valve mechanism is urged toward one end of the liquid discharge tube and is in close contact And a means for receiving the liquid distributed by the bag force via the fluid passage of the liquid discharge tube and the flow path of the valve mechanism.
• the fluid container according to the invention of (7) is a fluid container in which a dispenser is connected to the fluid container, and the fluid container includes a flexible knob and an outer container.
• the bag has a neck portion that opens to allow liquid to be injected.
• the outer container can support the bag by supporting the neck portion at the mouth.
• the fluid container includes a cylindrical retainer and a liquid discharge tube.
• the retainer is held in the lower part.
• the retainer has a substantially cylindrical header portion on one end side and a cylindrical portion on the other end side. Furthermore, the retainer is connected from one end to the other end. And a through hole penetrating to the side.
• the header is raised from within the cylindrical bottom of the retainer.
• the tube portion is fitted into the opening of the neck portion.
• the liquid discharge tube has a flange on one end side that is in close contact with the top surface of the header. The other end of the liquid discharge tube is inserted into the through hole of the retainer.
• the liquid discharge tube has a fluid passage extending to one end and the other end, and the liquid force S in the bag is discharged through the fluid passage.
• the dispenser in the fluid container according to the invention of (7), includes a socket body, a valve mechanism, and a sleeve.
• the socket body has a cylindrical outer cylinder.
• the nozzle mechanism is configured inside the socket body, and interrupts the flow path penetrating in the axial direction.
• the sleeve is held on the outer periphery of the socket body on the opening side.
• the sleeve also has a lock mechanism that can be detachably locked so as to cover the header portion.
• the dispenser nano-rebar mechanism is urged and brought into close contact with one end side of the liquid discharge tube, and has means for receiving the liquid distributed from the bag cover via the fluid passage of the liquid discharge tube and the flow path of the valve mechanism. Yes.
• the valve mechanism may include a valve element disposed in the flow path, an inner sleeve, a compression coil spring, and a coupling seat.
• the valve body is disposed in the flow path, has a valve on the distal end side, and is fixed to the socket body on the proximal end side.
• the inner sleeve forms a part of the flow path inside, and the bellows forms a bellows that can be expanded and contracted.
• One end side of the inner sleeve has a seat portion that is intermittently connected to the valve, and the other end side of the inner sleeve is fixed to the socket body.
• the compression coil spring urges the force so that the inner sleeve extends.
• the connecting seat is coupled to the seat portion side of the inner sleeve, and is urged toward and closely attached to one end side of the liquid discharge tube.
• a sleeve that is a so-called ball catch using a ball as a locking element is detachably locked so as to cover the header portion of the retainer.
• the seat portion Normally, in the dispenser, the seat portion is in contact with the valve and the flow path inside the valve mechanism is blocked.
• the valve mechanism is urged to one end side of the liquid discharge tube and comes into close contact with the top surface of the liquid discharge tube. Further, when the socket body is inserted, the seat part is separated from the valve, and the flow path inside the valve mechanism can be circulated.
• the sleeve is locked to the header, the fluid passage of the liquid discharge tube and the flow of the valve mechanism The path is directly connected and the bag force can also receive the distributed liquid.
• the fluid container according to the invention (7) does not use the breakable seal disclosed in Patent Document 1. Therefore, it is possible to prevent the seal breakage fragment from being mixed into the nog when the probe provided in the dispenser breaks through the seal. In addition, the concern that some operators do not break the seal well and the probe is clogged and cannot be connected is also eliminated. Thus, the fluid container according to the invention of (7) can connect the dispenser to the container without using a breakable seal.
• the dispenser communicates with a second opening of the first ventilation means, and opens a gas passage to which pressurized fluid is supplied.
• a fluid container provided between a cylinder and the valve mechanism.
• This gas passage may be a plurality of slits formed in the inner wall of the outer cylinder of the socket body. These slits, in the locked state, communicate with one end on the second opening of the first ventilation means, and others. The end side is connected to a supply port provided in the dispenser.
• the fluid container according to the present invention has a structure in which the liquid discharge tube having the collar portion can be attached to the mouth portion of the outer container via the retainer, so that the liquid discharge tube does not depend on the operator's force. Can be easily attached to the container. Since the flow path of the dispenser can be directly connected to the fluid passage of the liquid discharge tube, the dispenser can be easily connected to the container.
• FIG. 1 is a longitudinal sectional view showing an embodiment of a fluid container according to the present invention, showing a top end portion of the container and a dispenser.
• FIG. 2 is an exploded sectional view of the top end of the fluid container according to the embodiment.
• FIG. 3 is a cross-sectional exploded view of the fluid container according to the embodiment, showing a top end portion of the fluid container and a dispenser.
• FIG. 4 is a longitudinal sectional view of the fluid container according to the embodiment, showing the assembled fluid container and dispenser.
• FIG. 5 A cross-sectional view of the top end of a container according to the prior art, showing a state in which a cap is attached.
• FIG. 6 A cross-sectional view of the upper end of the container according to the prior art, showing the assembled state of the container and the dispenser.
• FIG. 1 is a longitudinal sectional view showing an embodiment of a fluid container (hereinafter abbreviated as “container”) according to the present invention, showing a top end portion of the container and a dispenser.
• FIG. 2 is an exploded sectional view of the top end of the container according to the embodiment.
• FIG. 3 is a cross-sectional exploded view of the container according to the embodiment, showing the top end of the container and the dispenser.
• FIG. 4 is a longitudinal cross-sectional view of the container according to the embodiment, showing the assembled container and dispenser.
• the container 1 includes a flexible nod 12 and an outer container 13.
• the bag 12 has a neck portion 11 that opens so that liquid can be injected.
• the outer container 13 can accommodate the bag 12 by supporting the neck portion 11 with the mouth portion 13a.
• the nog 12 is composed of a flexible film bag made of an inert material and a neck portion 11 made of a relatively hard synthetic resin.
• the neck 11 is welded to the end of the bag.
• the nog 12 is previously cleaned and is accommodated in the outer container 13. After the liquid is discharged from the bag 12, the bag 12 with the neck portion 11 is discarded, and a new bag 12 with the neck portion 11 is accommodated in the outer container 13.
• the fluid container according to the present invention is a double storage container in which the outer container is repeatedly used and a new bag is used each time.
• the outer container 13 is preferably a steel drum that is composed of a bottom plate, a side wall having an annular zone, and a top plate with a raised center (not shown). Used.
• the outer container 13 may be easily transported by forming a male screw 131 at the mouth portion 13a and providing a pair of molded handles (not shown).
• a flange is formed on the opening side of the neck portion 11, while a step is provided on the inner wall of the mouth portion 13a, and this flange is locked to the step.
• the neck portion 11 is supported by the mouth portion 13a.
• the knot 12 is preferably expanded by nitrogen or compressed air. The Thereafter, liquid is injected into the nose 12 from the opening 1 la of the neck portion 11 (see FIG. 2).
• the container according to the present invention includes a retainer 14 and a liquid discharge tube 15 (see FIG. 2).
• the retainer 14 is held in the mouth portion 13a.
• the retainer 14 has a substantially cylindrical header portion 14a on one end side and a cylindrical portion 14b on the other end side. Furthermore, the retainer 14 has a through hole 14c through which one end side force penetrates to the other end side.
• the header portion 14 a is raised from the bottom surface of the retainer 14.
• the cylinder part 14b fits into the opening of the neck part 11 (see Fig. 3)
• the liquid discharge tube 15 has a flange portion 15a that is in close contact with the top surface 141 of the header portion 14a on one end side. Further, the other end side of the liquid discharge tube 15 is inserted into the through hole 14 c of the retainer 14.
• the liquid discharge tube 15 has a fluid passage 15b whose one end force extends to the other end, and the liquid in the bag 12 is discharged through the fluid passage 15b (see FIG. 1).
• the retainer 14 is fitted to the neck portion 11 supported by the mouth portion 13a whose outer diameter is slightly smaller than the inner diameter of the neck portion 11 (see FIG. 3).
• a flange having an outer diameter slightly smaller than the inner diameter of the mouth portion 13a is provided on one end side of the retainer 14, and a ring is supported on the flange, and the mouth portion 13a is sealed (see FIG. 3). ).
• the retainer 14 is held in the mouth portion 13a together with the neck portion 11 by the lid 16 being fastened to the mouth portion 13a (see FIG. 1).
• a predetermined gap is provided between the bottom outer wall of the retainer 14 and the bottom inner wall of the mouth portion 13a, and a plurality of first openings l ib provided in the bottom of the neck portion 11 and a plurality of openings provided in the retainer 14 are provided. Gas can be vented between the second opening 14d (see FIG. 2).
• the cylindrical portion 14 b is provided so as to protrude from the bottom portion of the retainer 14, and the cylindrical portion 14 b is fitted into the opening 11 a of the neck portion 11.
• An O-ring is carried inside the opening 11a of the neck portion 11, and the O-ring is in close contact with the outer periphery of the cylindrical portion 14b, whereby the gas in the bag 12 can be sealed (see FIG. 3).
• the through hole 14c passes through the lower end of the cylinder part 14b, and the liquid discharge tube 15 is inserted into the through hole 14c (see Fig. 3).
• a gap is provided in the outer periphery of the through hole 14c and the liquid discharge tube 15 so that air can be passed through the 15c (see FIG. 3).
• the container according to the present invention includes a first ventilation means capable of venting gas from the inside of the outer container 13 to the mouth portion 13a, and a second ventilation means capable of venting gas from the inside of the bag 12 to the mouth portion 13a. And a sealing means for sealing the mouth portion 13a.
• the first ventilation means has a plurality of first openings l ib and a plurality of second openings 14d. Multiple first openings l ib 11 is provided at the bottom, and communicates the inside of the outer container 13 and the inside of the neck 11.
• the plurality of second openings 14d communicate with the top surface 141 of the header portion 14a with the peripheral force of the cylinder portion 14b.
• the second ventilation means has a plurality of third openings 15c.
• the plurality of third openings 15c are provided in the flange portion 15a of the liquid discharge tube 15, and communicate the opening 13a with the inside of the through hole 14c of the retainer 14 (see FIG. 3).
• the container according to the present invention prevents both liquid and gas from flowing out from the mouth portion 13a.
• the sealing means is removed, before the liquid in the liquid discharge tube 15 is discharged to the mouth portion 13a, the gas in the outer container 13 and the gas in the bag 12 are first and first, respectively. 2 It escapes out of the mouth 13a through the ventilation means.
• the first opening l ib is a through-hole formed in the bottom of the neck part 11, and is provided around the opening 11a of the neck part 11 into which the cylindrical part 14b is inserted. It is done.
• the first opening 11b substantially communicates the internal space of the outer container 13 and the gap provided between the retainer 14 and the mouth portion 13a (see FIG. 3).
• the second opening 14d is provided between the cylinder portion 14b and the header portion 14a, which is a slit penetrating from the periphery of the cylinder portion 14b to the top surface 141 of the header portion 14a.
• the second opening 14d substantially communicates the gap provided between the retainer 14 and the neck portion 11 with the atmosphere (see FIG. 3).
• the third opening 15c is a through hole formed in the flange 15a of the liquid discharge tube 15, and the upper surface force of the flange 15a also penetrates around the tube.
• an O-ring is supported on the lower surface of the flange portion 15a, and this O-ring comes into close contact with the top surface 141 of the header portion 14a, thereby sealing the through hole 14c.
• the third opening 15c substantially communicates the gap provided in the inner wall of the through hole 14c and the outer wall of the liquid discharge tube 15 with the atmosphere (see FIG. 3). As described above, this gap can be vented to the inner space of the bag 12.
• the sealing means is a cap 17 that is screwed into the lid 16 provided in the mouth portion 13a, and the cap 17 is a light-blocking cap body 17a that is screwed into the lid 16. And a bushing 17b having corrosion resistance that protrudes into the cap body 17a. The bush 17b is in contact with the surface of the flange portion 15a to seal the ventilation from the fluid passage 15b. 171.
• the cap body 17a is made of a metal body, and an internal thread that is screwed into the lid 16 is provided on the inner periphery of the cap body 17a.
• the cap body 17a has a light-shielding property so that chemicals contained in the bag 12 do not change chemically.
• the bush 17b is preferably made of a synthetic resin having corrosion resistance because there is a high possibility of coming into contact with the chemical contained in the bag 12.
• One end side of the bush 17b is press-fitted into the cap body 17a, and the bush 17b and the cap body 17a are integrated (see FIG. 3).
• the other end of the bush 17b protrudes into the cap body 17a, and an O-ring 171 is carried on the tip surface.
• the oiling 171 is in close contact with the surface of the flange portion 15a and can prevent both liquid and gas from flowing out from the fluid passage 15b.
• the gas in the liquid discharge tube 15, the gas in the outer container 13, and the gas in the bag 12 are individually sealed with a cap 17. Remove the cap 17! / When the cap is removed, the pressure in the liquid discharge tube 15, the pressure in the outer container 13 and the pressure in the bag 12 immediately match the atmospheric pressure. Can be prevented from being discharged out of the mouth 13a. Further, as shown in FIG. 2, the liquid discharge tube 15 is joined to the tube 151 in the middle from one end side having the flange portion 15a to the other end side. The liquid discharge tube 15 can heat-weld the tube 151 by ultrasonic vibration in the middle of reaching the other end side force having the flange portion 15a.
• the liquid discharge tube 15 has an integrated structure, it is possible to save the trouble of removing the chemical that has permeated into the gap between the press-fitting portions of the pumping tube, which has a separate body force as in the prior art.
• the container according to the present invention can dispense the liquid in the container by removing the cap and connecting a dispenser.
• the dispenser 2 includes a socket body 21, a valve mechanism VI, and a sleeve 22.
• the socket body 21 has a cylindrical outer cylinder.
• the valve mechanism VI is configured inside the socket body 21 and interrupts the flow path 21a penetrating in the axial direction.
• the sleeve 22 is held on the outer periphery of the socket body 21 on the opening side. Further, the sleeve has a lock mechanism 2r that can be detachably locked so as to cover the header portion 14a.
• the dispenser 2 is distributed from the bag 12 through the fluid passage 15b of the liquid discharge tube 15 and the flow path 2la of the valve mechanism VI with the nozzle mechanism VI being urged and adhered to one end side of the liquid discharge tube 15.
• Means for receiving the collected liquid see Fig. 4
• the valve mechanism VI is configured to include a valve body 23 disposed in the flow path 21a, an inner sleeve 24, a compression coil spring 25, and a coupling seat 26.
• the valve body 23 is disposed in the flow path 21 a, has a valve 23 a on the distal end side, and is fixed to the socket body 21 on the proximal end side.
• the inner sleeve 24 forms a part of the flow path 21a, and the body portion 24a forms an expandable / contractible bellows.
• One end side of the inner sleeve 24 has a seat portion 24 b that is intermittently connected to the valve 23 a, and the other end side of the inner sleeve 24 is fixed to the socket body 21.
• the compression coil spring 25 biases the force so that the inner sleeve 24 extends.
• the coupling seat 26 is coupled to the seat portion 24b side of the inner sleeve 24 and is urged toward and closely attached to one end side of the liquid discharge tube 15.
• the lock mechanism 2r is a so-called ball catch sleeve 22 that uses a ball 2b as a lock, and is detachably locked so as to cover the header portion 14a of the retainer 14 ( (See Figure 4).
• the dispenser 2 has a seat portion 24b abutting against the valve 23a.
• the flow path 21a inside the valve mechanism VI is blocked.
• the valve mechanism VI is urged toward one end side of the liquid discharge tube 15 and comes into close contact with the top surface of the liquid discharge tube 15.
• the seat portion 24b is separated from the valve 23a, and the flow path 21a inside the valve mechanism VI can be circulated (see FIG. 4).
• the fluid passage 15b of the liquid discharge tube 15 and the flow passage 21a of the valve mechanism VI are directly connected, and the liquid distributed from the bag 12 can be received. .
• the fluid container according to the present invention does not use the breakable seal shown in Patent Document 1. Therefore, it is possible to prevent the seal breakage fragment from being mixed into the nodule by the probe provided in the dispenser breaking through the seal. In addition, the concern that some operators may not be able to penetrate the seal well and the probe is clogged and cannot be connected is eliminated.
• the container according to the present invention has a joint structure for connecting a dispenser to the container without using a breakable seal.
• the dispenser 2 communicates with the second opening 14d of the first ventilation means (see FIG. 4), and a gas passage 211 to which pressurized fluid is supplied is provided between the socket body 21 and the valve mechanism VI. It is installed in.
• the gas passage 211 is a plurality of slits formed in the inner wall of the outer cylinder of the socket body 21, and in the locked state, these slits communicate with the second opening 14d of the first ventilation means at one end and the other end at the other end.
• the lock mechanism 2r includes a plurality of balls 2b, a ball retainer 27, and a slide ring 28.
• the plurality of balls 2b are arranged on the inner periphery of the sleeve 22 on the opening side.
• the ball retainer 27 holds a plurality of balls 2b.
• the ball retainer 27 is provided with a plurality of fitting holes 27a that allow only the movement of the plurality of balls 2b in the axial direction and the movement of the balls 2b in the outer peripheral direction.
• the slide ring 28 is disposed between the socket body 21 and the sleeve 22.
• the slide ring 28 presses the plurality of balls 2b toward the opening side of the sleeve 22 to press the plurality of balls 2b in the direction of reducing the diameter. . Since the annular locking groove 14e for locking the plurality of balls 2b is provided in the header portion 14a of the retainer 14, the dispenser 2 is detachably connected to the container 1.
• the ball retainer 27 is constituted by a part of the socket body 21.
• a plurality of balls 2 b are held between the ball retainer 27 and the sleeve 22.
• the ball retainer 27 and the sleeve 22 are connected to each other by a clip ring 27b so as not to be separated from each other.
• a step is provided on the outer wall of the socket body 21, and the step is surrounded by the sleeve 22, so that the slide ring 28 and the compression coil spring 29 for biasing the slide ring 28 can be accommodated in the step.
• the dispenser 2 can be separated from the container 1 by pulling out the dispenser 2 with a strong force by which the plurality of balls 2b get over the locking groove 14e.
• the fluid container according to the present invention can be connected to the container for fluid with one touch without screwing the dispenser as in the prior art.
• the fluid container according to the present invention realizes a quick connector.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Packages (AREA)
• Closures For Containers (AREA)
• Devices For Dispensing Beverages (AREA)

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Publications (1)

Family

ID=38156608

Family Applications (1)

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• 2006
  • 2006-01-31 JP JP2006023762A patent/JP3914559B1/ja not_active Expired - Fee Related
  • 2006-11-02 WO PCT/JP2006/322019 patent/WO2007088659A1/ja not_active Ceased
  • 2006-11-02 CN CN2006800512094A patent/CN101360663B/zh active Active
  • 2006-11-02 US US12/161,632 patent/US8052014B2/en active Active
  • 2006-11-02 KR KR1020087012630A patent/KR100955978B1/ko not_active Expired - Fee Related
  • 2006-11-21 TW TW095143102A patent/TW200744911A/zh unknown

Patent Citations (3)

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