EP3636353A1 - Adhésif à chargement frontal et systèmes de retenue et de distribution d'étanchéité - Google Patents

Adhésif à chargement frontal et systèmes de retenue et de distribution d'étanchéité Download PDF

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Publication number
EP3636353A1
EP3636353A1 EP19181648.7A EP19181648A EP3636353A1 EP 3636353 A1 EP3636353 A1 EP 3636353A1 EP 19181648 A EP19181648 A EP 19181648A EP 3636353 A1 EP3636353 A1 EP 3636353A1
Authority
EP
European Patent Office
Prior art keywords
retainer
retaining
cartridge
inner sleeve
structured
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19181648.7A
Other languages
German (de)
English (en)
Inventor
Paul KUCHINSKI
Oscar Santillan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PRC Desoto International Inc
Original Assignee
PRC Desoto International 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 PRC Desoto International Inc filed Critical PRC Desoto International Inc
Publication of EP3636353A1 publication Critical patent/EP3636353A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00583—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes the container for the material to be dispensed being deformable
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/14—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
    • B65D47/142—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for threaded caps
    • B65D47/143—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for threaded caps with internal parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/015—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with pneumatically or hydraulically actuated piston or the like
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/12—Connections between body and closure-receiving bush
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/065—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages with hinged, foldable or pivotable spouts
    • B65D47/066—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages with hinged, foldable or pivotable spouts the spout being either flexible or having a flexible wall portion, whereby the spout is foldable between a dispensing and a non-dispensing position
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • B65D47/241—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element
    • B65D47/243—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat the valve being opened or closed by actuating a cap-like element moving linearly, i.e. without rotational motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00509—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the bayonet type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type

Definitions

  • the present invention is related to front-loading adhesive and sealant retaining and dispensing systems.
  • Adhesives and sealants have conventionally been dispensed from disposable cartridges using pneumatic dispensing guns.
  • an adhesive sealant retaining and dispensing system comprising a generally cylindrical outer retainer, a front cap removably attached to a front end of the retainer, and a generally cylindrical inner sleeve inserted in the retainer structured and arranged to receive a cartridge therein containing the adhesive or sealant.
  • an adhesive and sealant retaining and dispensing system comprising a generally cylindrical outer retainer, a front cap removably attached to a front end of the retainer, a generally cylindrical inner sleeve inserted in the retainer, and a cartridge containing an adhesive or sealant located inside the inner sleeve and outer retainer, wherein the cartridge comprises a flexible sidewall and a rigid front end having a rear rim that contacts a front end of the inner sleep and has an outer diameter smaller than an inner diameter of the retainer.
  • a method comprising loading an adhesive and sealant retaining system as described above with a cartridge containing an adhesive or sealant by removing the front cap from the retainer, inserting a flexible sidewall of the cartridge into the inner sleeve, and attaching the front cap to the front end of the retainer.
  • a cartridge structured and arranged for use in an adhesive and sealant retaining and dispensing system as described above, wherein the cartridge comprises a rigid front end comprising a front opening and a rear rim structured and arranged to contact a front end of the inner sleeve, and a flexible sidewall extending rearwardly from the rear rim of the rigid front end structured and arranged for insertion into the inner sleeve.
  • Figs. 1-5 illustrate a front-loading adhesive and sealant retaining and dispensing system 10 of the present invention.
  • the dispensing system 10 includes a generally cylindrical outer retainer 12 having a front end 13 and a rear end 14. Rear retaining pins 16 are provided near the rear end 14 of the retainer 12.
  • the dispensing system 10 includes a front cap assembly 20 having a collar 21 with external threads 22. The collar 21 may be attached to the retainer 12 by adhesive and/or press fit.
  • the front cap assembly 20 includes a removable front cap 24 having a rim 25 with internal threads 26 that threadingly engage the external threads 22 of the collar 21.
  • the removable front cap 24 has a hemi-spherical domed shape 27 and a front opening 28.
  • a generally cylindrical inner sleeve 30 fits inside the retainer 12.
  • the sleeve 30 includes a front end 31 and a back end 32 having a retaining flange 34.
  • a plunger 36 is located inside the sleeve 30.
  • the tolerance or fit between the sleeve 30 and plunger 36, and the materials used to make the sleeve 30 and plunger 36, may be selected in order to allow the plunger 36 to move in relation to the sleeve 30 under air pressure applied by a conventional pneumatic gun, while providing a sufficiently tight seal that prevents air from passing between the interface between the sleeve 30 and the plunger 36.
  • An adhesive or sealant-containing cartridge 40 having a flexible sidewall is located within the sleeve 30 and front cap assembly 20.
  • the collapsible-walled cartridge 40 includes a domed rigid front end 41 with a front tip 42 and front opening 43.
  • the rigid front end 41 has a rear rim 44.
  • the collapsible sidewall of the cartridge 40 has a rear end 46.
  • an uncured adhesive or sealant material 48 is contained within the cartridge 40.
  • the dispensing system 10 may be mounted on a dispensing gun 50 having a handle 51 and trigger 52, as shown in dashed lines in Fig. 5 .
  • the dispensing gun 50 includes a retaining bracket 53 having retaining slots 54 that receive the rear retaining pins 16 of the retainer 12. It is noted that the dispensing gun 50 is shown schematically in Fig. 5 and is not drawn to scale.
  • the dispensing gun 50 may be selected from commercially available pneumatic dispensing guns such as Semco Model Numbers 250-A, 250-B and 350.
  • the dispensing system 110 includes a front cap assembly 120 with a collar 121 having external threads. Retaining slots 123 are provided in the collar 121 for receiving front retaining pins 18 of the retainer 12.
  • the front cap assembly 120 includes a front cap 124 having a rim 125 with internal threads 126.
  • the removable front cap 124 has a hemi-spherical domed shape and a front opening 128.
  • the front cap 124 may be removed from the collar 121 by disengaging the internal threads 126 from the external threads 122.
  • the entire front cap assembly 120 may be removed from the retainer 12 by rotating and pulling the collar 121 away from the retainer 12 to disengage the front retaining pins 18 from the retaining slots 123.
  • the dispensing system 210 includes a front cap assembly 220 with a collar 221 having retaining slots 223.
  • the front cap assembly 220 has a hemi-spherical domed front cap portion 224 with a front opening 228 therein.
  • the front cap assembly 220 includes abutment surfaces 225 at the ends of each retaining slots 223, and a raised abutment wall 226 located adjacent each abutment surface 225.
  • a detent projection 227 is provided in each retaining slot 223, and a resilient spring finger 229 is provided on the opposite side of each retaining slot 223 from the detent projection 227.
  • the front cap assembly 220 may be provided as a single integral unit that is removable from the front end 13 of the retainer 12 by rotating and then pulling the assembly 220 away from the retainer 12 to disengage the retaining slots 223 from the front retaining pins 18.
  • the detent projections 227 and resilient spring fingers 229 provide resistance to the front retaining pins 18 in order to bias the retaining pins 18 into their locked positions within the retaining slots 223.
  • the retainer 12 may be made of any suitable rigid material such as metal, plastic and the like.
  • the retainer 12 may be made of steel or aluminum.
  • a viewing slot (not shown) may optionally be provided through the retainer 12, e.g., running parallel with the longitudinal axis of the retainer 12.
  • the front cap assemblies 20, 120 and 220 may be made of any suitable material such as plastic or metal.
  • the front cap assemblies may be made of a polymer such as nylon.
  • the sleeve 30 and plunger 36 may be made of any suitable materials such as plastic, e.g., polyethylene, polyurethane, polypropylene or the like.
  • the plastic sleeve 30 may be slightly resilient or flexible and may have lower thermal conductivity than the retainer 12, i.e., to provide thermal insulation.
  • the flexible sidewall of the cartridge 40 may be made of relatively thin sheets of laminated foil or any other suitable type of collapsible material.
  • the domed rigid front end 41 may be made of relatively rigid materials such as plastic and the like.
  • the rigid front end 41 and front tip 42 may be made of a polymer such as polyethylene.
  • the adhesive or sealant contained in the cartridge 40 may be any suitable adhesive/sealant formulation such as those used in the aerospace industry.
  • the retainer systems 10, 110 and 210 of the present invention may be used with standard adhesive and sealant guns known to those skilled in the art including, but not limited to, pneumatically driven guns sold under the designations Semco Model 250-A, Model 250-B and Model 350.
  • the retainer systems 10, 110 and 210 of the present invention may be loaded by the following steps: remove the front cap 24, 124, 224 from the retainer 12 by turning the cap counterclockwise; remove the used flexible cartridge 40 and discard appropriately; load the new flexible cartridge 40 through the front of the retainer 12 and sleeve 30, pushing back the plunger 36 inside the sleeve 30; place the front cap 24, 124, 224 back on the retainer 12, threading clockwise on until tight; ready to dispense.
  • the retaining and dispensing systems 10, 110 and 210 of the present invention provide numerous advantages.
  • a retainer utilizing a sleeve composed of a non-metallic material, such as plastic, has less friction than metal, thus decreasing the time needed to load a flexible cartridge into the retainer.
  • the sleeve protects the flexible cartridge from sharp edges inside the retainer.
  • the sleeve can be used to provide a flexible cartridge with a definite shape, such as when a flexible cartridge is filled with adhesive or sealant and then flash-frozen inside the sleeve.
  • the frozen flexible cartridge can be removed from the sleeve and stored.
  • the defined shape of the frozen flexible cartridge improves ease of loading.
  • plastic sleeve in a retainer presents numerous other advantages, such as thermal insulation for the adhesive or sealant and a lower coefficient of thermal expansion in comparison to metal.
  • plastic is more resilient against stressors that would normally cause metal to bend, and plastic sleeves can be economically replaced.
  • Another advantage of the sleeve is that the plunger is pressurized within the sleeve, not the retainer. The lack of pressure against the retainer reduces the risk of damage to the retainer and allows for viewing windows to be positioned through the retainer. Also, when in use, the plunger applies pressure against the flexible cartridge, and the flexible cartridge releases adhesive or sealant. After the pressure is released, additional adhesive or sealant could continue to dispense.
  • the flexible cartridge exerts force against the plunger, and the adhesive or sealant may not dispense after the pressure is released.
  • the sleeve allows for the plunger to slide smoothly under air pressure. The plunger slides back with the operator pressing force when loading the flexible cartridge into the sleeve, and contact with the plunger is on the inside of the sleeve.
EP19181648.7A 2018-06-22 2019-06-21 Adhésif à chargement frontal et systèmes de retenue et de distribution d'étanchéité Withdrawn EP3636353A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201862688801P 2018-06-22 2018-06-22

Publications (1)

Publication Number Publication Date
EP3636353A1 true EP3636353A1 (fr) 2020-04-15

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EP19181648.7A Withdrawn EP3636353A1 (fr) 2018-06-22 2019-06-21 Adhésif à chargement frontal et systèmes de retenue et de distribution d'étanchéité

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US (1) US20190389635A1 (fr)
EP (1) EP3636353A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112110031A (zh) * 2020-09-17 2020-12-22 吴和平 一种汽车硅酮密封胶用包装瓶

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11208317B2 (en) * 2019-08-05 2021-12-28 The Boeing Company Flexible packaging for temperature sensitive materials
USD1012227S1 (en) * 2021-07-22 2024-01-23 Medmix Switzerland Ag Cartridge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568892A (en) * 1969-03-13 1971-03-09 Us Plywood Champ Papers Inc Aerosol caulking assembly
DE2607442A1 (de) * 1975-02-24 1976-08-26 Soeren Johansson Ausruestung fuer anbringung von fugenmassen
GB2092236A (en) * 1981-01-31 1982-08-11 Toray Silicone Co Caulking Gun for Bagged Sealant
US20120228329A1 (en) * 2011-03-11 2012-09-13 Sulzer Mixpac Ag Multi-component cartridge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568892A (en) * 1969-03-13 1971-03-09 Us Plywood Champ Papers Inc Aerosol caulking assembly
DE2607442A1 (de) * 1975-02-24 1976-08-26 Soeren Johansson Ausruestung fuer anbringung von fugenmassen
GB2092236A (en) * 1981-01-31 1982-08-11 Toray Silicone Co Caulking Gun for Bagged Sealant
US20120228329A1 (en) * 2011-03-11 2012-09-13 Sulzer Mixpac Ag Multi-component cartridge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112110031A (zh) * 2020-09-17 2020-12-22 吴和平 一种汽车硅酮密封胶用包装瓶

Also Published As

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