WO2004106164A1 - Capsule a vis pour un recipient - Google Patents

Capsule a vis pour un recipient Download PDF

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Publication number
WO2004106164A1
WO2004106164A1 PCT/US2004/017369 US2004017369W WO2004106164A1 WO 2004106164 A1 WO2004106164 A1 WO 2004106164A1 US 2004017369 W US2004017369 W US 2004017369W WO 2004106164 A1 WO2004106164 A1 WO 2004106164A1
Authority
WO
WIPO (PCT)
Prior art keywords
vessel
cap
cup
accordance
hub
Prior art date
Application number
PCT/US2004/017369
Other languages
English (en)
Inventor
David Byron
Original Assignee
Chapin Manufacturing, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chapin Manufacturing, Inc. filed Critical Chapin Manufacturing, Inc.
Priority to MXPA05012727A priority Critical patent/MXPA05012727A/es
Priority to CA002524471A priority patent/CA2524471A1/fr
Publication of WO2004106164A1 publication Critical patent/WO2004106164A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F19/00—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • A01M7/0064—Protection shields
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/06—Threaded or like caps or cap-like covers secured by rotation with bayonet cams, i.e. removed by first pushing axially to disengage the cams and then rotating
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/26—Caps or cap-like covers serving as, or incorporating, drinking or measuring vessels
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2046—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under superatmospheric pressure
    • B65D81/2053—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under superatmospheric pressure in an least partially rigid container
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B33/00—Pumps actuated by muscle power, e.g. for inflating

Definitions

  • the present invention relates to vessels having threaded ports; more particularly, to threaded caps for closing threaded ports in vessels; and most particularly, to an improved screw cap for closing a port in a vessel, especially a pressure vessel, and more especially, a loading port in a pump sprayer body.
  • an entrance port requires a closure, which may be a screw cap having a threaded portion, either male or female, that engages a mating threaded portion, also either male or female, on the vessel.
  • a closure typically be a screw cap having a threaded portion, either male or female, that engages a mating threaded portion, also either male or female, on the vessel.
  • Such threads typically include several turns to distribute a pressure load in a vessel, which can require numerous rotations of a screw cap to seal. This can be an annoyance in vessels wherein the use requires frequent opening and closing of the loading port.
  • such pressure typically is relieved around the threads and may cause material within the vessel to be sprayed inadvertently in the vicinity of the cap, thereby endangering a user.
  • the threaded relationship is such that the vessel threads are female and the cap threads are male, such as in a typical prior art portable pump sprayer, the sprayed material can be ejected upwards from the vessel directly
  • a typical prior art portable pump sprayer is vulnerable to all of the above-cited problems.
  • use of a pump sprayer typically requires measuring and mixing of ingredients, for example, insecticides and/or fertilizers with water, and addition of the ingredients through a main loading port in the sprayer body, or tank.
  • such measuring requires a separate measuring device, such as a measuring spoon or a measuring cup, which becomes contaminated by the act of measuring and must be cleaned subsequently. Furthermore, the contaminated measuring device cannot readily be set down before being cleaned without further contaminating the surface upon which it is set.
  • a threaded cap for sealing a vessel loading port that can relieve internal pressure from the vessel safely; preferably that can be secured to the vessel in less than one full turn; and that can function as a measuring device for liquids and/or granulated solids to be added to the vessel through the loading port.
  • a cap for closing a threaded port in a vessel includes a cup- shaped central portion facing into the vessel when the cap is installed onto the threaded port.
  • the cup-shaped portion is provided with indicia, preferably in the form of numbered posts extending from the bottom of the cup to various heights, which are indicative of volumes of material placed in the cup-shaped portion.
  • the cap is inverted so that the cup-shaped portion is turned upwards and held level, allowing the cup-shaped portion be used as a measuring cup to which material may be added.
  • the cap is re-inverted to dump the material into the vessel.
  • the surfaces of the cup-shaped portion become part of the interior surface of the closed vessel.
  • a separate measuring cup is not required for measuring ingredients to be added, as in the prior art.
  • the cup-shaped portion has an asymmetric rim such that a portion of the rim forms a pouring lip.
  • the cap has a hub and a peripheral extension configured with female threads on the inner surface thereof and an axial surface inboard of the threads, preferably including an elastomeric seal such an O-ring, for sealing against an axial face on a male-threaded lip of the vessel.
  • the cup-shaped portion is disposed within the cup axial sealing surface such that all exposure to the materials in the cup-shaped portion and the vessel is contained within the radius of the sealing surface.
  • the cap includes pressure relief means formed within the cup- shaped portion such that material within the vessel is not expelled through the threads when the vessel is opened at conclusion of use.
  • the mating threads on the cap and the vessel are configured such that the axial surface of the cap seals against the axial surface of the vessel in less than one revolution of the cap.
  • FIG. 1 is an isometric view of a pressure vessel port and a cap in accordance with the invention
  • FIG. 2 is an isometric view from below of the cap shown in FIG. 1 , showing a cup-shaped central portion for use as a measuring cup;
  • FIG. 3 is an elevational cross-sectional view of the cap shown in FIGS. 1 and
  • FIG. 4 is an isometric view from above of a cap for a pressure relief system in accordance with the invention.
  • FIG. 5 is an isometric view from below of the relief system cap shown in FIG. 4;
  • FIG. 6 is an elevational view of a case for a pressure relief system in accordance with the invention;
  • FIG. 7 is a cross-sectional view of the case shown in FIG. 6, taken along line 7-7 in FIG. 6;
  • FIG. 8 is an exploded isometric view of a pressure relief system in accordance with the invention.
  • FIG. 9 is an isometric view of an alternative thread configuration for a vessel in accordance with the invention.
  • a vessel 10 for example, a pressure tank for a hand- pumpable sprayer, includes a neck portion 12 defining a port 14 in vessel 10.
  • Neck portion 12 is provided with threads 16 for securing a vessel cap 18 to vessel 10 to close port 14.
  • Threads 16 may be either female or male but preferably are male, as shown in FIG. 1.
  • Neck portion 12 terminates in a sealing edge 20 for engaging an O-ring 22 in compression between neck portion 12 and cap 18 as described in detail below.
  • cap 18 is generally convex upwards, having a peripheral extension 24 extending generally axially and connected to a hub portion 26.
  • the outer surface 28 of extension 24 is provided with a plurality of raised ribs 30 to assist in a user's gripping the cap to tighten or loosen the cap in use, and also preferably is provided with a designated area 32, preferably slightly recessed below surface 28, for receiving and displaying a label (not shown) identifying the contents of vessel 10 during any specific use thereof.
  • Extension 24 is provided on an inner surface thereof with female threads 34 for engaging male threads 16 on neck portion 12. Extension 24 is reinforced at its attachment to hub 26 by a plurality of gussets 36.
  • Extension 24 terminates outboard of gussets 36 in an annular axial surface 38 for receiving O-ring 22, as shown in FIG. 3, to seal cap 18 against neck portion 12 as described above.
  • hub portion 26 On its outer axial surface, hub portion 26 preferably includes first and second hemispherical depressions 40 separated by a transverse flange 42 for providing gripping surfaces to augment ribs 30.
  • a generally cylindrical wall 44 extends axially from hub portion 26 inboard of gussets 36, defining with hub portion 26 a cup-shaped portion 46 for use in measuring ingredients to be added to vessel 10, cap 18 being inverted from its use position such that portion 46 is concave upwards.
  • Portion 46 preferably is provided with indicia for determining visually the amount of any ingredient in portion 46 during measurement thereof.
  • the inner surface 47 of wall 44 may be scribed or otherwise marked to show the amount of ingredients added, by depth thereof.
  • portion 46 is provided with a septum 48 extending diameterically across portion 46 and having a plurality of steps 50, each step being provided with an indicium 52 indicative of the volume of portion 46 between each step and hub portion 26.
  • cup-shaped portion 46 may be readily used to measure ingredients to be added to vessel 10 through port 14.
  • the rim 53 of wall 44 is assymetric (FIG. 3) to create a natural pouring lip 55 to facilitate the dumping of ingredients, and especially liquids, from the measuring cup into the vessel.
  • An important advantage of a measuring cup in accordance with the invention is that wall 44 extends into neck 12 when the cap is secured to the vessel; thus, any residual ingredients in cup-shaped portion 46 fall into and are added to the ingredients already in the vessel, and the surfaces of wall 44 are flushed by mixture in the vessel.
  • Hub portion 26 may be closed at its center; however, in a currently-preferred embodiment (referring now to FIGS. 2 through 8), a pressure relief system 60 is disposed through an axial aperture 61 (FIG. 2) in hub 26.
  • System 60 includes a normally-closed valve and may be operated manually to vent pressure from vessel 10 as desired, and may also be sized in known fashion as a blow-off valve to vent vessel 10 if internal pressure exceeds a predetermined limit.
  • Relief system 60 comprises a cap 62 having a central aperture 64 and a plurality of radial lands 66 surrounding aperture 64 and extending axially from the underside of cap 62.
  • a plunger 67 is surrounded by a return spring 68 which engages a flange 70 on plunger 67.
  • Plunger 67 includes a head 72 which is forcibly extended through aperture 64 during assembly of system 60 to couple plunger 67 to cap 62; spring 68 is captured thereby in compression.
  • a case 74 includes a generally cylindrical bore 76 having a seat 78 for receiving an inner O-ring 80.
  • Seat 78 surrounds an axial outlet 82 from bore 76 for receiving a nipple 84 on plunger 67.
  • Case 74 further comprises an annular groove 86 formed between two annular flanges 88 for retaining an outer O-ring 90.
  • Axial aperture 61 in hub portion 26 is surrounded by a short cylindrical flange 92 adjacent septum 48 within cup-shaped portion 46.
  • Aperture 61 is surrounded at its outer extent (FIGS. 1 and 3) by a plurality of tangentially formed ramps 94 equal in number to the number of lands 66 in cap 62 with which ramps 94 engage during assembly.
  • a collar 96 surrounds ramps 94.
  • system 60 may be configured to open automatically at a predetermined pressure level within vessel 10.
  • An important advantage of a pressure relief system in accordance with the invention is that the flange 100 of cap 62 overlaps collar 96 such that air and/or material being released from vessel 10 is directed downward toward hub portion 26, rather than upward toward as user, as in the prior art. Additionally, since peripheral extension 24 of hub portion 26 containing female threads 34 overlaps neck portion 12 containing male threads 16, any air and/or material that would be released from vessel 10 upon loosening of cap 18 would be directed downward and away from the user by peripheral extension 24.
  • neck 12a is provided with male threads 16a for sealing of cap 18 to vessel 10.
  • Threads 16a comprise variable pitch grooves formed in neck 12a, terminating at the outer end of neck 12a in a generally axial direction for receiving inwardly extending studs 34a (FIG. 3) formed in cap 18 in lieu of threads 34.
  • FIG. 3 When cap 18 is placed on neck 12a with studs 34a engaged into the outer ends of grooves 16a, rotation of cap 18 through one-quarter turn (90°) serves to draw cap 18 and O- ring 22 into sealing relationship with neck 12a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne une capsule servant à fermer l'orifice fileté d'un récipient, tel qu'un réservoir d'arroseuse sous pression. La partie centrale en forme de tasse de la capsule est tournée vers l'intérieur du récipient lorsque la capsule est installée sur l'orifice fileté. La partie en forme de tasse comporte des marques représentatives de volumes d'une substance. Lors d'une utilisation à des fins de mesure, la capsule est inversée de sorte que la partie en forme de tasse peut être utilisée en tant que tasse graduée dans laquelle une substance peut être ajoutée. Lorsque la quantité souhaitée a été ajoutée, la capsule est retournée afin de verser la substance dans le récipient. De préférence, la partie en forme de tasse comprend un bord asymétrique de sorte qu'une partie du bord forme un bec verseur. Un dispositif de décompression permet de réduire la pression lorsque le récipient, une fois utilisé, est ouvert. De préférence, les filetages de la capsule et du récipient sont conçus pour permettre à la capsule d'assurer l'étanchéité du récipient en faisant tourner la capsule d'un quart de tour.
PCT/US2004/017369 2003-05-29 2004-06-01 Capsule a vis pour un recipient WO2004106164A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MXPA05012727A MXPA05012727A (es) 2003-05-29 2004-06-01 Tapon de rosca para un contenedor.
CA002524471A CA2524471A1 (fr) 2003-05-29 2004-06-01 Capsule a vis pour un recipient

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US47406903P 2003-05-29 2003-05-29
US47410003P 2003-05-29 2003-05-29
US60/474,069 2003-05-29
US60/474,100 2003-05-29

Publications (1)

Publication Number Publication Date
WO2004106164A1 true WO2004106164A1 (fr) 2004-12-09

Family

ID=33493370

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/017369 WO2004106164A1 (fr) 2003-05-29 2004-06-01 Capsule a vis pour un recipient

Country Status (4)

Country Link
US (1) US20040262311A1 (fr)
CA (1) CA2524471A1 (fr)
MX (1) MXPA05012727A (fr)
WO (1) WO2004106164A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017119867A1 (fr) * 2016-01-04 2017-07-13 Hertzog James N Système de mesure de produit chimique dans un réservoir agricole

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2880854Y (zh) * 2006-02-06 2007-03-21 明达塑胶（厦门）有限公司 盐电解器
CN104247703A (zh) * 2013-06-25 2014-12-31 苏州工业园区协诚精密五金有限公司 喷雾设备
DE102018205581A1 (de) * 2018-04-12 2019-10-17 Henkel Ag & Co. Kgaa Verschlusskappe für Waschmittelflasche

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4966780A (en) * 1988-07-07 1990-10-30 The Procter & Gamble Company Packaging of fresh roasted coffee exhibiting improved aroma retention
US5472121A (en) * 1994-03-04 1995-12-05 Silano; John R. Plastic lid with pour spout, vent and snap on cap

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US1869712A (en) * 1929-05-07 1932-08-02 Horace Fitz W Palmer Attachment for can covers
US4269319A (en) * 1977-07-11 1981-05-26 Rubens George J Fluid measuring container closure cap
US4339054A (en) * 1980-05-01 1982-07-13 Kellogg Charles W Pressure relieved plug and socket cleanout assembly
US4566508A (en) * 1984-12-17 1986-01-28 Ethyl Molded Products Company Self-draining closure
US4741459A (en) * 1986-03-21 1988-05-03 The Dow Chemical Company Combined closure and measuring device
US5397036A (en) * 1993-11-09 1995-03-14 Maiwald; Manfred Calibrated vessel having a handle which also serves as a delivery element
US5662249A (en) * 1995-09-07 1997-09-02 Grosse; Allison All in one measure/funnel/pour/mix/shake container
US5881894A (en) * 1997-05-27 1999-03-16 Gargano; Cathy Combination bottle cap and pre-measured medicine dispenser
GB2334714B (en) * 1998-02-25 2002-07-03 Rexam Plastics Inc Safety closure and container
US6089519A (en) * 1998-05-22 2000-07-18 Laybourne; Sidney C. Liquid control and storage system
US6263732B1 (en) * 1999-05-18 2001-07-24 Bang Zoom Design Measuring cup
US7198167B2 (en) * 2003-10-31 2007-04-03 Cosco Management, Inc. Sipper cup with medicine dispenser
ATE463436T1 (de) * 2004-06-22 2010-04-15 Procter & Gamble Ergonomischer verschluss

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4966780A (en) * 1988-07-07 1990-10-30 The Procter & Gamble Company Packaging of fresh roasted coffee exhibiting improved aroma retention
US5472121A (en) * 1994-03-04 1995-12-05 Silano; John R. Plastic lid with pour spout, vent and snap on cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017119867A1 (fr) * 2016-01-04 2017-07-13 Hertzog James N Système de mesure de produit chimique dans un réservoir agricole

Also Published As

Publication number Publication date
US20040262311A1 (en) 2004-12-30
MXPA05012727A (es) 2006-02-08
CA2524471A1 (fr) 2004-12-09

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