US2365524A - Dispensing capsule - Google Patents

Dispensing capsule Download PDF

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Publication number
US2365524A
US2365524A US444363A US44436342A US2365524A US 2365524 A US2365524 A US 2365524A US 444363 A US444363 A US 444363A US 44436342 A US44436342 A US 44436342A US 2365524 A US2365524 A US 2365524A
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cap
spout
capsule
wall
teat
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Expired - Lifetime
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US444363A
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Court Kenneth
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GELATIN PRODUCTS Corp
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GELATIN PRODUCTS CORP
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Priority to US444363A priority Critical patent/US2365524A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/06—Ampoules or carpules
    • A61J1/067—Flexible ampoules, the contents of which are expelled by squeezing
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/924—Coupled nut and bolt
    • Y10S411/929—Thread lock
    • Y10S411/938—Distorted thread

Definitions

  • This invention relates to improvements in capsule containers adapted for dispensing content substance and particularly to capsules of flexible deformable material such as the soft pliable gelatin capsules of commerce and to improvements .in their fabrication.
  • the invention relates to improvements in capsules of the general character illustrated in Patent No. 2,134,489, October 28, 1938, applicant Robert P. Scherer.
  • a capsule is of a general bottle shape. It is formed, of soft pliable gelatin. The contents are adapted to be extruded through the opened neck or spout of the capsule.
  • This improved capsule is provided with a resilient deformable discharge spout portion which is fitted with a removable closure cap adapted to seal the same against leakage.
  • the discharge spout of the cap is so relatively formed and shaped that the cap upon being engaged over the spout deforms the wall of the spout and so wedges the same within the cap as to prevent leakage of the capsule content substance.
  • the capsule is ofa size which may contain aplurality of dosage increments of the provided content substance. Ointment carrying capsules are examples in point, However, the particular content substance has nothing to do with the invention and a capsule embodying the invention may be employed to carry any desired dispensable content substance.
  • This improved combined capsule and cap is so formed that the capsule is sealed against leakage of its contents without the employment in association with the cap of gaskets, washers or the like.
  • the cooperation between the cap and the discharge spout of the capsule is such that the seal directly therebetween is effective.
  • the cooperating cap and discharge spout are so relatively shaped and the discharge spout is formed of such material that the spout wall deformably responds to pressure of the cap to serve a purpose ordinarily served by a deformable gasket interposed between a closure cap and its container.
  • the cap is so shaped that while sealing the capsule discharge opening against leakage it also prevents such opening from closing by self adhesion of the capsule wall material.
  • the cap is so formed as to itself pierce the wall to form a discharge opening therethrough and to seal such opening against leakage while at the same time maintaining the opening so that the contents may be dispensed therethrough when the cap is removed.
  • the construction is simple and inexpensive. It does not require the use of instruments or tools for manipulation and it is effective to prevent leakage.
  • Fig. 1 is a cross-sectional view through a capsule embodying my invention and wherein the capsule is hermetically sealed independently of the cap,
  • Fig. 2 is a cross-sectional view similar to that of Fig. 1 showing the construction of Fig. 1 with the capsule opened and sealed by the cap,
  • Fig. 3 is a cross-sectional view of a capsule of the same character with a modified form of cap and showing the capsule opened but sealed by the cap, p
  • Fig. .4 is a slightly modified form of construce tion showing the capsule in cross-section as in Fig. 1 but showing a slightly modified form of cap structure,
  • Fig. 5 is a'section taken on line 5-5 ,of Fig. 1, and
  • Fig. 6 illustrates another modified form of construction.
  • Dispensing capsules of the type here illustrated are commonly formed of soft pliable gelatin which contains sufficient plasticizer so as to be readily deformable.
  • the capsule embodies a body portion in and a spout portion I2.
  • This spout portion is shown as tapered and in Fig. 1 hermetically independently sealed in the manner in which it would be following the forming and filling by the manufacturer.
  • Such capsules may be used to contain any content substance which it might be desired to dispense by opening the en'd of the spout and squeezing the capsule body to extrude the contents. They may be of a size to contain a plurality of discharges of content substance or of a size containing merely one dosage.
  • the invention does not pertain in anyway to a particular content substance and the capsule illustrated may be employed as a container for any desired content substance.
  • the neck or spout portion l2 of the capsule is not only relatively 'pliable and deformable but possesses a slow resiliency and as here shown is originally formed smooth upon the outer surface andsealed over at the end independently of the cap and as shown in Fig. 1.
  • the cap shown in the figures of the drawing is indicated as [4. It may be formed of a suitable hard plastic of a thermosetting or thermoplastic character, metal or any other suitable material. It is shown as interiorly threaded as at l6.
  • the thread diameter is here shown as cylindrical but the wall of the cap is interiorl tapered as illustrated.
  • the thread substantially fades out at the bottom of the cap and also terminates flush with the inner surface of the cap at the opposite end as in a ramp structure as shown in Fig. 5.
  • the taper of the inner wall of the cap is preferably more pronounced adjacent to the bottom wall of the cap as at l8.
  • the cap shown in Figs. 1 and 2 is provided with a teat 20 projecting interiorly from the bottom wall of the cap.
  • This teat is so shaped and so spaced from the tapered portion l8 of the cap that when the cap is threaded upon the spout of the capsule the side wall of the end of the spout is wedged and deformed between the teat 20 and the tapered wall portion l8 forming an effective seal against leakage.
  • the teat does not pierce through the end wall of the spout but deforms the same, while in Fig.
  • the teat projects into the spout discharge opening and closes the same serving a dual purpose. It serves first to wedge the side wall of the spout between the teat and the wall of the cap to effect the seal and it serves, secondly, to maintain the discharge opening against accidental adhesive closure which might otherwise result.
  • Fig. 3 the cap is not provided with a teat and the seal results from the responsive deformation of the spout as the cap is threaded thereon.
  • the seal of the structure shownin Fig. 3 is not so effective as that shown in Figs. 1 and 2.
  • the capsule When the article leaves the manufac-' turing plant the capsule would be hermetically independently sealed as is the capsule in Fig. 1.
  • the cap is provided with a teat 22 which is more pointed than the teat 20 in Figs. 1 and 2 and is adapted to pierce the end of the spout.
  • the teat 20 of Figs. 1 and 2 is not sufliciently pointed to pierce the end of the spout but merely deforms the same.
  • the teat 22 of the cap of Fig. 4 pierces the end of the spout when the cap is threaded upon the spout and remains in the opening thus formed sealing such opening and wedging the adjacent side wall of the spout against the adjacent side wall of the cap as shown.
  • Fig. 6 illustrates a capsule and cap which re-" Sils that of Fig. 3 in that the capsule spout is provided with an opening 23 at the end and the cap tapers internally as at 25 so as to wedge 'the spout opening 23 closed when the cap is fully received upon the spout.
  • the plastic material of which the capsule, spout is formed is sumciently soft, pliable and resilient and the spout itself has an external diameter greater than the internal diameter of the cap adjacent to the bottom wall so that when the cap is threaded thereupon the spout deformably responds to effect the threaded engagement with the cap. It will be noted that this deformable response results in the spout structure incompletelyfilling the groove between the threads at the outer end of the cap.
  • the spout structure itself therefore serves the same purpose as a deformable gasket normally serves. between a threaded cap and the threaded spout of a container. Upon removal of the cap from the spout, the indentations formed by the thread tend to partially fade out as the spout material relaxes showing the inherent resilient deformable character of the material.
  • Capsules of this character may be used as containers for liquids, pastes, creams, ointments or the like and may contain a. plurality of dosages.
  • the teat 22 pierces the discharge opening in the end of the spout and maintains such opening while the cap is in place. Upon removal of the cap such portion of the content substance may be extruded as is desired through squeezing the capsule body. Upon replacement of the cap the teat enters the discharge opening and the end of the spout is wedged and deformed as hereinabove described to effect a seal. With the capsule shown in Figs. 1 and 2 the end of the spout must be pierced or clipped to provide the discharge opening and the seal is effected as heretofore set forth.
  • a collapsible tube having a long tapered nozzle formed of soft deformable plastic material normally closed at the outer end of a deep cup shaped internally threaded cap, said cap adapted to be threaded down upon the nozzle and adapted to form a thread on the nozzle as the cap is threaded down thereover.
  • said cap provided with an internal a'xial tapered piercing projection adapted to puncture the end of the nozzle, that portion of the interior of the cap encircling the piercing projection constituting a tapered annular recess within the cap surrounding the projection, said recess having a width adjacent to the base of the projection which width is less than the normal radial thickness of the wall of the nozzle whereby the wall of the nozzle adjacent to the end of the nozzle is compressed between the tapered base of the projection and the encircling wall of the cap to less than its normal thickness when the projection is pierced through the end of the nozzle, said piercing projection being of a length substantially less than the depth of the cap but greater than the normal thickness of the wall of the nozzle and said nozzle having a diameter sumciently greater than the interior diameter of the threaded portion of the cap whereby the cap may be threadedly engaged upon the nozzle without the piercing projection of the cap puncturing through the end of the nozzle,

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  • Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Closures For Containers (AREA)

Description

7 Dec. 19, 1944; K COURT 2,365,524
DISPENSING CAPSULE Filed Kay 25, 1942 lmzzzfk Coat? Patented Dec. 19, 1944 s PATENT OFFICE DISPENSING CAPSULE Kenneth Court, Detroit, Mich., assignor, by mesne assignments, to Gelatin Products Corporation, Detroit, Mich., a corporation of Michigan Application May 25, 1942, Serial No. 444,363
1 Claim.
This invention relates to improvements in capsule containers adapted for dispensing content substance and particularly to capsules of flexible deformable material such as the soft pliable gelatin capsules of commerce and to improvements .in their fabrication.
More particularly the invention relates to improvements in capsules of the general character illustrated in Patent No. 2,134,489, October 28, 1938, applicant Robert P. Scherer. Such a capsule is of a general bottle shape. It is formed, of soft pliable gelatin. The contents are adapted to be extruded through the opened neck or spout of the capsule. This improved capsule is provided with a resilient deformable discharge spout portion which is fitted with a removable closure cap adapted to seal the same against leakage.
The discharge spout of the cap is so relatively formed and shaped that the cap upon being engaged over the spout deforms the wall of the spout and so wedges the same within the cap as to prevent leakage of the capsule content substance. Preferably the capsule is ofa size which may contain aplurality of dosage increments of the provided content substance. Ointment carrying capsules are examples in point, However, the particular content substance has nothing to do with the invention and a capsule embodying the invention may be employed to carry any desired dispensable content substance.
This improved combined capsule and cap is so formed that the capsule is sealed against leakage of its contents without the employment in association with the cap of gaskets, washers or the like. The cooperation between the cap and the discharge spout of the capsule is such that the seal directly therebetween is effective. The cooperating cap and discharge spout are so relatively shaped and the discharge spout is formed of such material that the spout wall deformably responds to pressure of the cap to serve a purpose ordinarily served by a deformable gasket interposed between a closure cap and its container.
Preferably the cap is so shaped that while sealing the capsule discharge opening against leakage it also prevents such opening from closing by self adhesion of the capsule wall material. In one modification the cap is so formed as to itself pierce the wall to form a discharge opening therethrough and to seal such opening against leakage while at the same time maintaining the opening so that the contents may be dispensed therethrough when the cap is removed.
The construction is simple and inexpensive. It does not require the use of instruments or tools for manipulation and it is effective to prevent leakage.
Other objects and advantages will more fully appear from the following description, appended claims and accompanying drawing, wherein:
Fig. 1 is a cross-sectional view through a capsule embodying my invention and wherein the capsule is hermetically sealed independently of the cap,
Fig. 2 is a cross-sectional view similar to that of Fig. 1 showing the construction of Fig. 1 with the capsule opened and sealed by the cap,
Fig. 3 is a cross-sectional view of a capsule of the same character with a modified form of cap and showing the capsule opened but sealed by the cap, p
Fig. .4 is a slightly modified form of construce tion showing the capsule in cross-section as in Fig. 1 but showing a slightly modified form of cap structure,
Fig. 5 is a'section taken on line 5-5 ,of Fig. 1, and
Fig. 6 illustrates another modified form of construction.
' Dispensing capsules of the type here illustrated are commonly formed of soft pliable gelatin which contains sufficient plasticizer so as to be readily deformable. The capsule embodies a body portion in and a spout portion I2. This spout portion is shown as tapered and in Fig. 1 hermetically independently sealed in the manner in which it would be following the forming and filling by the manufacturer. Such capsules may be used to contain any content substance which it might be desired to dispense by opening the en'd of the spout and squeezing the capsule body to extrude the contents. They may be of a size to contain a plurality of discharges of content substance or of a size containing merely one dosage. The invention does not pertain in anyway to a particular content substance and the capsule illustrated may be employed as a container for any desired content substance.
The neck or spout portion l2 of the capsule is not only relatively 'pliable and deformable but possesses a slow resiliency and as here shown is originally formed smooth upon the outer surface andsealed over at the end independently of the cap and as shown in Fig. 1. The cap shown in the figures of the drawing is indicated as [4. It may be formed of a suitable hard plastic of a thermosetting or thermoplastic character, metal or any other suitable material. It is shown as interiorly threaded as at l6. The thread diameter is here shown as cylindrical but the wall of the cap is interiorl tapered as illustrated. The thread substantially fades out at the bottom of the cap and also terminates flush with the inner surface of the cap at the opposite end as in a ramp structure as shown in Fig. 5. The taper of the inner wall of the cap is preferably more pronounced adjacent to the bottom wall of the cap as at l8.
The cap shown in Figs. 1 and 2 is provided with a teat 20 projecting interiorly from the bottom wall of the cap. This teat is so shaped and so spaced from the tapered portion l8 of the cap that when the cap is threaded upon the spout of the capsule the side wall of the end of the spout is wedged and deformed between the teat 20 and the tapered wall portion l8 forming an effective seal against leakage. As shown in Fig. 1, the teat does not pierce through the end wall of the spout but deforms the same, while in Fig. 2, which illustrates the capsule after the end of the spout has been pierced or opened, the teat projects into the spout discharge opening and closes the same serving a dual purpose. It serves first to wedge the side wall of the spout between the teat and the wall of the cap to effect the seal and it serves, secondly, to maintain the discharge opening against accidental adhesive closure which might otherwise result.
In Fig. 3 the cap is not provided with a teat and the seal results from the responsive deformation of the spout as the cap is threaded thereon. The seal of the structure shownin Fig. 3 is not so effective as that shown in Figs. 1 and 2. The
opened. When the article leaves the manufac-' turing plant the capsule would be hermetically independently sealed as is the capsule in Fig. 1.
After being once used, the end of the spout would have been opened by piercing or clipping and would appear as shown in Fig. 3. Obviously, during the time-thatthe capsule was independently hermetically sealed there would be no leakage and this construction in Fig. 3 should be suitable for use with content of a viscous character such as creams, ointments or the like. v
In Fig. 4 the cap is provided with a teat 22 which is more pointed than the teat 20 in Figs. 1 and 2 and is adapted to pierce the end of the spout. The teat 20 of Figs. 1 and 2 is not sufliciently pointed to pierce the end of the spout but merely deforms the same. The teat 22 of the cap of Fig. 4 pierces the end of the spout when the cap is threaded upon the spout and remains in the opening thus formed sealing such opening and wedging the adjacent side wall of the spout against the adjacent side wall of the cap as shown.
Fig. 6 illustrates a capsule and cap which re-" sembles that of Fig. 3 in that the capsule spout is provided with an opening 23 at the end and the cap tapers internally as at 25 so as to wedge 'the spout opening 23 closed when the cap is fully received upon the spout.
As heretofore stated, the plastic material of which the capsule, spout is formedis sumciently soft, pliable and resilient and the spout itself has an external diameter greater than the internal diameter of the cap adjacent to the bottom wall so that when the cap is threaded thereupon the spout deformably responds to effect the threaded engagement with the cap. It will be noted that this deformable response results in the spout structure incompletelyfilling the groove between the threads at the outer end of the cap. There is a natural but slow resiliency in the spout structure which causes it to continue to apply a yielding pressure against the threaded portion of the cap and adjacent the end of thespout the material is wedged and deformed to provide a perfectly tight seal which is effective to prevent leakage. The spout structure itself therefore serves the same purpose as a deformable gasket normally serves. between a threaded cap and the threaded spout of a container. Upon removal of the cap from the spout, the indentations formed by the thread tend to partially fade out as the spout material relaxes showing the inherent resilient deformable character of the material.
Capsules of this character may be used as containers for liquids, pastes, creams, ointments or the like and may contain a. plurality of dosages.
If the capsule of Fig. 4 is employed the teat 22 pierces the discharge opening in the end of the spout and maintains such opening while the cap is in place. Upon removal of the cap such portion of the content substance may be extruded as is desired through squeezing the capsule body. Upon replacement of the cap the teat enters the discharge opening and the end of the spout is wedged and deformed as hereinabove described to effect a seal. With the capsule shown in Figs. 1 and 2 the end of the spout must be pierced or clipped to provide the discharge opening and the seal is effected as heretofore set forth.
What I claim is:
The combination with a collapsible tube having a long tapered nozzle formed of soft deformable plastic material normally closed at the outer end of a deep cup shaped internally threaded cap, said cap adapted to be threaded down upon the nozzle and adapted to form a thread on the nozzle as the cap is threaded down thereover. said cap provided with an internal a'xial tapered piercing projection adapted to puncture the end of the nozzle, that portion of the interior of the cap encircling the piercing projection constituting a tapered annular recess within the cap surrounding the projection, said recess having a width adjacent to the base of the projection which width is less than the normal radial thickness of the wall of the nozzle whereby the wall of the nozzle adjacent to the end of the nozzle is compressed between the tapered base of the projection and the encircling wall of the cap to less than its normal thickness when the projection is pierced through the end of the nozzle, said piercing projection being of a length substantially less than the depth of the cap but greater than the normal thickness of the wall of the nozzle and said nozzle having a diameter sumciently greater than the interior diameter of the threaded portion of the cap whereby the cap may be threadedly engaged upon the nozzle without the piercing projection of the cap puncturing through the end of the nozzle, 1
KENNETH COURT.
US444363A 1942-05-25 1942-05-25 Dispensing capsule Expired - Lifetime US2365524A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574990A (en) * 1947-10-23 1951-11-13 Ralph B Waite Rectractable closure for collapsible tube, having means to prevent its accidental removal therefrom
US2848997A (en) * 1956-06-11 1958-08-26 Pfizer & Co C Squeeze bottle
DE971376C (en) * 1949-12-16 1959-01-15 Emanuel Merck Ohg Ampoule for the preparation of normal solutions
US3016173A (en) * 1956-03-02 1962-01-09 Morton B Stull Closure and dispensing structure
US3109562A (en) * 1954-09-07 1963-11-05 Schering Corp Nozzle perforating cap for collapsible tubes
US4146152A (en) * 1977-03-02 1979-03-27 Toagosei Chemical Industry Co. Ltd. Container opener useable to close the opened hole thereof
US4957225A (en) * 1986-07-10 1990-09-18 Childers Steven M Replaceable caulking tip for use on caulking cartridges and method of manufacture
US5090582A (en) * 1990-10-16 1992-02-25 Baxter International Inc. Bottle cap
US5301837A (en) * 1992-01-31 1994-04-12 Cp Packaging, Inc. Child resistant medicament dispenser
US20050133547A1 (en) * 2003-12-23 2005-06-23 Swann Jeffrey J. Caulking tube replacement tip
US20110297006A1 (en) * 2010-04-21 2011-12-08 Tfb Consultants, Ltd Liquid Decanting Method and Apparatus
US20200139312A1 (en) * 2010-04-21 2020-05-07 Tfb Consultants, Ltd Gas Dispensing Method and Apparatus

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574990A (en) * 1947-10-23 1951-11-13 Ralph B Waite Rectractable closure for collapsible tube, having means to prevent its accidental removal therefrom
DE971376C (en) * 1949-12-16 1959-01-15 Emanuel Merck Ohg Ampoule for the preparation of normal solutions
US3109562A (en) * 1954-09-07 1963-11-05 Schering Corp Nozzle perforating cap for collapsible tubes
US3016173A (en) * 1956-03-02 1962-01-09 Morton B Stull Closure and dispensing structure
US2848997A (en) * 1956-06-11 1958-08-26 Pfizer & Co C Squeeze bottle
US4146152A (en) * 1977-03-02 1979-03-27 Toagosei Chemical Industry Co. Ltd. Container opener useable to close the opened hole thereof
US4957225A (en) * 1986-07-10 1990-09-18 Childers Steven M Replaceable caulking tip for use on caulking cartridges and method of manufacture
US5090582A (en) * 1990-10-16 1992-02-25 Baxter International Inc. Bottle cap
US5301837A (en) * 1992-01-31 1994-04-12 Cp Packaging, Inc. Child resistant medicament dispenser
US5419459A (en) * 1992-01-31 1995-05-30 Cp Packaging, Inc. Child resistant medicament dispenser
US20050133547A1 (en) * 2003-12-23 2005-06-23 Swann Jeffrey J. Caulking tube replacement tip
US7014079B2 (en) 2003-12-23 2006-03-21 Jeffrey J. Swann Caulking tube replacement tip
US20110297006A1 (en) * 2010-04-21 2011-12-08 Tfb Consultants, Ltd Liquid Decanting Method and Apparatus
US10384173B2 (en) * 2010-04-21 2019-08-20 TFB Consultants, Ltd. Liquid decanting method and apparatus
US20200139312A1 (en) * 2010-04-21 2020-05-07 Tfb Consultants, Ltd Gas Dispensing Method and Apparatus
US12030023B2 (en) * 2010-04-21 2024-07-09 Winepro2, Ltd Gas dispensing method and apparatus

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