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US3563570A - Connector for use with refrigerated containers - Google Patents

Connector for use with refrigerated containers Download PDF

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Publication number
US3563570A
US3563570A US865433A US3563570DA US3563570A US 3563570 A US3563570 A US 3563570A US 865433 A US865433 A US 865433A US 3563570D A US3563570D A US 3563570DA US 3563570 A US3563570 A US 3563570A
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Prior art keywords
coupling
container
bristles
layers
aperture
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US865433A
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Rupert Munton
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SHIPOWNERS CARGO RES ASSOC
SHIPOWNERS REFRIGERATED CARGO RESEARCH ASSOCIATION
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SHIPOWNERS CARGO RES ASSOC
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • 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
    • B65D88/00—Large containers
    • B65D88/74—Large containers having means for heating, cooling, aerating or other conditioning of contents

Definitions

  • a connector nozzle or coupling device for connecting a transportable container to a supply of fluid under pressure and in particular for connecting refrigerated containers with a refrigeration system, the coupling being formed of at least two layers of bristles having an impermeable membrane sandwiched therebetween, said bristles and membrane being clamped at one end and engageable around a duct leading from the refrigeration system and the free end of the thus formed coupling being arranged to abut around an aperture in the container, the arrangement being such that the bristles will automatically accommodate movement of the container at the coupling station and still maintain a seal with the coupling and will automatically effect the seal with the container when the container is delivered to the coupling station, the coupling automatically defecting a seal and not requiring any form of power operated device to move it between a coupled position and an uncoupled position.
  • a The present invention relates to a connector nozzle or coupling device which does not require any pneumatic or hydraulic device or other form of motivation to operate it.
  • a connector nozzle or coupling for connecting a piped source of fluid r supply with an aperture in acontainer situated at a coupling station
  • the connector nozzle or coupling being of sleeve like configuration and having a wall structure formed of strands of resiliently deformable material arranged in at least two layers, between which is an impermeable membrane, the whole being bonded at one end, by which, when in use, it is connected to the piped source of fluid supply, theiother or free end serving to make sealing contact with the face of the container around the aperture, regardless of the exactposition of the container at the coupling station.
  • only two layers of strands of resiliently defonnable material are provided and said one end of the two layers and the membrane are clamped together and are adapted firmly to be connected in fluidtight engagement with the free end of a length of ducting leading to thefluid supply.
  • the impermeable membrane may comprise a sleeve of rubber or plastics material and the strands of resiliently deformable material may comprise bristles which may be either natural or of synthetic fibre or a mixture of both.
  • the said one end of the assembly thus formed may be secured, if desired, by means of an adhesive in a crimped annular housing member of U-shaped section adapted to engage around the end of the ducting.
  • each of the layers of bristles may be mounted in an annular crimp ring of U-section and the two crimped rings with the impermeable material sandwiched therebetween may be firmly located in the crimped annular housing.
  • the impermeable membrane is provided with excess material by folding it upon itself to give it a substantially double layerthickness.
  • FIG. 1 is a scrap perspective view, in section, of part of a connector nozzle or coupling
  • FIG. v2 is a sectional view of part of a containena connector nozzle or coupling and part of -a ducting leading to a permanent refrigeration system.
  • the connector nozzle or coupling (hereinafter referred to as a coupling) is generally indicated at l and is arranged to provide fluid communication between the free end of a length of ducting 3 leading to a refrigeration system (not shown) and an aperture 5 in the sidewall 7 of a container.
  • the refrigeration system could, for example, be provided in the hold of a ship in which case the container would be arranged to be-located by vertical guides at a container coupling station and the coupling station would be as sociated with two lengths of ducting, one leading from and the other returning to the refrigeration system, and hence two couplings would be required.
  • the coupling has a wall structure which comprises an outer sleevelike layer of bristles 9 (FIG. 1), an intermediate layer of impermeable material such as a sleeve of rubber or plastics material 11, and an inner sleevelike layer of bristles 13.
  • the coupling has a wall structure which comprises an outer sleevelike layer of bristles 9 (FIG. 1), an intermediate layer of impermeable material such as a sleeve of rubber or plastics material 11, and an inner sleevelike layer of bristles 13.
  • impermeable sleeve or membrane is convoluted or folded in zigzag formation to give it a substantially double thickness and enable it to flex with the bristle layers.
  • each layer of bristles is clamped at one end in a crimp ring 15 or alternatively secured by means of adhesive in a crimp ring and the impermeable membrane is sandwiched between the two crimp rings 15 and the three layers are then firmly located in a crimpedannular housing 17 of U- shaped cross section.
  • the housing 17 is adapted firmly to be secured in airtight relationship with the free end of the ducting 3.
  • the bristles may either be natural or made of synthetic fibre, and in the preferred arrangement each layer comprises a mixture of nylon and horsehair bristles.
  • the ducting 3 may be of larger size than the aperture 5 in the sidewall of a container and the ducting centerline-may be vertically offset with respect to the aperture to compensate for the deflection of the coupling layers 9, ll, 13, (as is generally indicated in FIG. 2) which deflection would result when the container is loaded into a stowage position defined by suitable guides.
  • FIG. 2 shows how the coupling would be deflected downwardly when the container is loaded vertically it will be appreciated that the containers may be loaded 1 horizontally in which case, the coupling bristles would be deflected laterally.
  • the preferred embodiment has two layers of bristles spaced apart by a membrane, it will beappreciated that three or more layers of bristles could be provided, each spaced apart by a membrane. Furthermore, instead of using bristles, strips of resiliently deformable material of any cross section could be used.
  • a coupling for connecting a piped source of fluid supply with an aperture in a container situated at a coupling station said coupling being of sleevelike configuration and having a wall structure formed of strands of resiliently deformable material arranged in at least two layers, and an impermeable membrane arranged between said layers, means bonding said two layers and said impermeable membrane together at one end, which end, when in use, is connected to said piped source of fluid supply, and the other end of said wall structure serving to make sealing contact with the face of the container around the aperture therein, regardless of the exact position of the container at the coupling station.
  • a coupling according to claim 1 including a clamping device to clamp together said two layers of strands of resiliently deformable material and said membrane, said clamping device being adapted firmly to be connected in fluid tight engagement with the free end of a length of ducting leading to said fluid supply.
  • a coupling according to claim 1 including a crimped annular housing, an annular crimp ring of U-section for each layer of bristles, said one end of each layer being adhesively secured in said crimp ring and said two crimp rings, with said impermeable material sandwiched therebetween, being firmly located in said crimped annular housing.
  • a coupling according to claim 1 in which said impermeable membrane is folded upon itself in zigzag formation to give it a substantially double layer thickness.
  • a coupling for connecting a supply of fluid under pressure with an aperture in a transportable container arranged at a coupling station comprising a sleevelike body having a wall structure formed of two layers of resiliently deformable bristles and an impermeable membrane sandwiched between said layers, means bonding said layers and membrane together at one end, said means being adapted to be connected in sealing engagement with said fluid supply and the other end of said body being arranged to lie in abutting engagement with a sealing surface surrounding said aperture, the arrangement being such that said container can be moved over and past said bristles into and out of said station and said bristles will deform to permit such movement and said bristles, in use, accommodating limited movement of the container with respect to the supply, in every plane, yet still maintaining a seal with the container.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Packages (AREA)

Abstract

A connector nozzle or coupling device for connecting a transportable container to a supply of fluid under pressure and in particular for connecting refrigerated containers with a refrigeration system, the coupling being formed of at least two layers of bristles having an impermeable membrane sandwiched therebetween, said bristles and membrane being clamped at one end and engageable around a duct leading from the refrigeration system and the free end of the thus formed coupling being arranged to abut around an aperture in the container, the arrangement being such that the bristles will automatically accommodate movement of the container at the coupling station and still maintain a seal with the coupling and will automatically effect the seal with the container when the container is delivered to the coupling station, the coupling automatically defecting a seal and not requiring any form of power operated device to move it between a coupled position and an uncoupled position.

Description

United States Patent [72] inventor Rupert Munton Croydon, England 21 AppLNo. 865,433 [22] Filed Oct. 10,1969 [45] Patented Feb. 16,1971 [73] Assignee Shipowners Refrigerated Cargo Research Association London, England [32] Priority 0ct.8, 1968 [33] Great Britain [31] 49875/68 [54] CONNECTOR FOR USE WITH REFRIGERATED CONTAINERS 6 Claims, 2 Drawing Figs.
[52] U.S.Cl. 285/9; 277/237; 15/180 [51] lnt.Cl. F16l25/00 [50] FleldofSearch 285/9;-
277/(lnquired); 15/ 180 [56] References Cited UNITED STATES PATENTS 1,989,131 1/1935 Dodge 285/9 1,993,763 3/1935 Touchstone 15/180 Primary Examiner-David J. Williamowsky Assistant ExaminerWayne L. Shedd Attorney-Baldwin, Wight, Diller & Brown ABSTRACT: A connector nozzle or coupling device for connecting a transportable container to a supply of fluid under pressure and in particular for connecting refrigerated containers with a refrigeration system, the coupling being formed of at least two layers of bristles having an impermeable membrane sandwiched therebetween, said bristles and membrane being clamped at one end and engageable around a duct leading from the refrigeration system and the free end of the thus formed coupling being arranged to abut around an aperture in the container, the arrangement being such that the bristles will automatically accommodate movement of the container at the coupling station and still maintain a seal with the coupling and will automatically effect the seal with the container when the container is delivered to the coupling station, the coupling automatically defecting a seal and not requiring any form of power operated device to move it between a coupled position and an uncoupled position.
CONNECTOR FOR USE WITH REFRIGERATED CONTAINERS through the container to keep the contents of the container at the required temperature.
Most existing couplings'depend upon hydraulic or pneumatic means or other forms of motivation to move the coupling from an extended position where it engages around an aperture in a wall of the container to provide communication between fixed ducting of a refrigerating system and the container, to a withdrawn position; The disadvantage of providing hydraulic or pneumatic means, or other forms of motivation to move the coupling to its withdrawn position is that such devices need servicing, which is time consuming and expensive, and may be impossible if a container is in position and the coupling connected toit, Hence, if a breakdown occurs, the coupling may never function properly and the contents of the container will heat. r
With the majority'of these existing couplings, leak-free circulation of air is ensured by the provision of a seal which engages with a prepared surface on the container and a flexible but impermeable connection between a plate carrying the said seal and a second plate connected to the fixed ducting. When the coupling is disengaged and in its withdrawn position, sufficient clearance is establishedbetween the seal and the container face to enable the transportable container to be loaded or off loaded without constraint or contact with the seal.
A The present invention relates to a connector nozzle or coupling device which does not require any pneumatic or hydraulic device or other form of motivation to operate it.
According to the present invention, we provide a connector nozzle or coupling for connecting a piped source of fluid r supply with an aperture in acontainer situated at a coupling station, the connector nozzle or coupling being of sleeve like configuration and having a wall structure formed of strands of resiliently deformable material arranged in at least two layers, between which is an impermeable membrane, the whole being bonded at one end, by which, when in use, it is connected to the piped source of fluid supply, theiother or free end serving to make sealing contact with the face of the container around the aperture, regardless of the exactposition of the container at the coupling station. l
Preferably, only two layers of strands of resiliently defonnable material are provided and said one end of the two layers and the membrane are clamped together and are adapted firmly to be connected in fluidtight engagement with the free end of a length of ducting leading to thefluid supply.
The impermeable membrane may comprise a sleeve of rubber or plastics material and the strands of resiliently deformable material may comprise bristles which may be either natural or of synthetic fibre or a mixture of both. The said one end of the assembly thus formed may be secured, if desired, by means of an adhesive in a crimped annular housing member of U-shaped section adapted to engage around the end of the ducting. Alternatively. each of the layers of bristles may be mounted in an annular crimp ring of U-section and the two crimped rings with the impermeable material sandwiched therebetween may be firmly located in the crimped annular housing.
Preferably the impermeable membrane is provided with excess material by folding it upon itself to give it a substantially double layerthickness.
A preferred embodiment of the invention is now described with reference to the accompanying drawings, in which:
FIG. 1 is a scrap perspective view, in section, of part of a connector nozzle or coupling; and
FIG. v2 is a sectional view of part of a containena connector nozzle or coupling and part of -a ducting leading to a permanent refrigeration system.
Referring to the drawings, the connector nozzle or coupling (hereinafter referred to as a coupling) is generally indicated at l and is arranged to provide fluid communication between the free end of a length of ducting 3 leading to a refrigeration system (not shown) and an aperture 5 in the sidewall 7 of a container. The refrigeration system could, for example, be provided in the hold of a ship in which case the container would be arranged to be-located by vertical guides at a container coupling station and the coupling station would be as sociated with two lengths of ducting, one leading from and the other returning to the refrigeration system, and hence two couplings would be required.
The coupling has a wall structure which comprises an outer sleevelike layer of bristles 9 (FIG. 1), an intermediate layer of impermeable material such as a sleeve of rubber or plastics material 11, and an inner sleevelike layer of bristles 13. The
impermeable sleeve or membrane is convoluted or folded in zigzag formation to give it a substantially double thickness and enable it to flex with the bristle layers.
In one embodiment, each layer of bristles is clamped at one end in a crimp ring 15 or alternatively secured by means of adhesive in a crimp ring and the impermeable membrane is sandwiched between the two crimp rings 15 and the three layers are then firmly located in a crimpedannular housing 17 of U- shaped cross section. It will be appreciated, however, that the three layers may be a bound together by any other known method. The housing 17 is adapted firmly to be secured in airtight relationship with the free end of the ducting 3. The bristles may either be natural or made of synthetic fibre, and in the preferred arrangement each layer comprises a mixture of nylon and horsehair bristles.
It will be appreciated that by employing a coupling of the above-described type, there is no need to provide any operating means for the coupling to move it between operative and withdrawn positions, in view of the flexibility and natural resiliency of the coupling. If the couplings are provided at container coupling stations in the hold of a ship, and project slightly into the path of the movement of containers through said stations, it will be appreciated that once a container is lowered into its respective station, the bristles will deform to allow the container to be correctly located and will automatically be biased by their natural resiliency against the sidewall of the container. Because the coupling stations are located correctly with respect to the apertures in the sidewall of the container, the coupling will automatically providea passage between the aperture 5 in the container and the ducting 3.
The ducting 3 may be of larger size than the aperture 5 in the sidewall of a container and the ducting centerline-may be vertically offset with respect to the aperture to compensate for the deflection of the coupling layers 9, ll, 13, (as is generally indicated in FIG. 2) which deflection would result when the container is loaded into a stowage position defined by suitable guides. Although FIG. 2 shows how the coupling would be deflected downwardly when the container is loaded vertically it will be appreciated that the containers may be loaded 1 horizontally in which case, the coupling bristles would be deflected laterally.
It will thus be appreciated that an efficient, substantially impermeable automatic coupling is provided, and regardless of the exact position of the container with respect to the coupling at the coupling station, a seal will be effected. Furthermore, the seal will be maintained even if the container shifts slightly in any direction.
It will be understood'that the coupling could equally easily be used on board trucks, railway wagons, airplanes, hovercraft, or even on a quay, to connect ducting of a refrigeration system, or for that matter, any other source of fluid supply, to a container.
. Although the preferred embodiment has two layers of bristles spaced apart by a membrane, it will beappreciated that three or more layers of bristles could be provided, each spaced apart by a membrane. Furthermore, instead of using bristles, strips of resiliently deformable material of any cross section could be used.
lclaim:
l. A coupling for connecting a piped source of fluid supply with an aperture in a container situated at a coupling station, said coupling being of sleevelike configuration and having a wall structure formed of strands of resiliently deformable material arranged in at least two layers, and an impermeable membrane arranged between said layers, means bonding said two layers and said impermeable membrane together at one end, which end, when in use, is connected to said piped source of fluid supply, and the other end of said wall structure serving to make sealing contact with the face of the container around the aperture therein, regardless of the exact position of the container at the coupling station.
2. A coupling according to claim 1, including a clamping device to clamp together said two layers of strands of resiliently deformable material and said membrane, said clamping device being adapted firmly to be connected in fluid tight engagement with the free end of a length of ducting leading to said fluid supply.
3. A coupling according to claim 1, in which said impermeable membrane comprises a sleeve of plastics material and in which said strands of resiliently deformable material comprise a mixture of nylon bristles and horse hair bristles.
4. A coupling according to claim 1, including a crimped annular housing, an annular crimp ring of U-section for each layer of bristles, said one end of each layer being adhesively secured in said crimp ring and said two crimp rings, with said impermeable material sandwiched therebetween, being firmly located in said crimped annular housing.
5. A coupling according to claim 1, in which said impermeable membrane is folded upon itself in zigzag formation to give it a substantially double layer thickness.
6. A coupling for connecting a supply of fluid under pressure with an aperture in a transportable container arranged at a coupling station, said coupling comprising a sleevelike body having a wall structure formed of two layers of resiliently deformable bristles and an impermeable membrane sandwiched between said layers, means bonding said layers and membrane together at one end, said means being adapted to be connected in sealing engagement with said fluid supply and the other end of said body being arranged to lie in abutting engagement with a sealing surface surrounding said aperture, the arrangement being such that said container can be moved over and past said bristles into and out of said station and said bristles will deform to permit such movement and said bristles, in use, accommodating limited movement of the container with respect to the supply, in every plane, yet still maintaining a seal with the container.

Claims (6)

1. A coupling for connecting a piped source of fluid supply with an aperture in a container situated at a coupling station, said coupling being of sleevelike configuration and having a wall structure formed of strands of resiliently deformable material arranged in at least two layers, and an impermeable membrane arranged between said layers, means bonding said two layers and said impermeable membrane together at one end, which end, when in use, is connected to said piped source of fluid supply, and the other end of said wall structure serving to make sealing contact with the face of the container around the aperture therein, regardless of the exact position of the container at the coupling station.
2. A coupling according to claim 1, including a clamping device to clamp together said two layers of strands of resiliently deformable material and said membrane, said clamping device being adapted firmly to be connected in fluid tight engagement with the free end of a length of ducting leading to said fluid supply.
3. A coupling according to claim 1, in which said impermeable membrane comprises a sleeve of plastics material and in which said strands of resiliently deformable material comprise a mixture of nylon bristles and horse hair bristles.
4. A coupling according to claim 1, including a crimped annular housing, an annular crimp ring of U-section for each layer of bristles, said one end of each layer being adhesively secured in said crimp ring and said two crimp rings, with said impermeable material sandwiched therebetween, being firmly located in said crimped annular housing.
5. A coupling according to claim 1, in which said impermeable membrane is folded upon itself in zigzag formation to give it a substantially double layer thickness.
6. A coupling for connecting a supply of fluid under pressure with an apeRture in a transportable container arranged at a coupling station, said coupling comprising a sleevelike body having a wall structure formed of two layers of resiliently deformable bristles and an impermeable membrane sandwiched between said layers, means bonding said layers and membrane together at one end, said means being adapted to be connected in sealing engagement with said fluid supply and the other end of said body being arranged to lie in abutting engagement with a sealing surface surrounding said aperture, the arrangement being such that said container can be moved over and past said bristles into and out of said station and said bristles will deform to permit such movement and said bristles, in use, accommodating limited movement of the container with respect to the supply, in every plane, yet still maintaining a seal with the container.
US865433A 1968-10-21 1969-10-10 Connector for use with refrigerated containers Expired - Lifetime US3563570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB49875/68A GB1223140A (en) 1968-10-21 1968-10-21 Connector or coupling device for use with refrigerated containers

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US3563570A true US3563570A (en) 1971-02-16

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US865433A Expired - Lifetime US3563570A (en) 1968-10-21 1969-10-10 Connector for use with refrigerated containers

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DE (1) DE1952984A1 (en)
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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2456477C3 (en) * 1974-11-29 1981-07-16 Grünzweig + Hartmann Montage GmbH, 6700 Ludwigshafen Air cooling device for reefer containers
DE3215334C1 (en) * 1982-04-24 1983-06-09 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Encapsulated measuring device
GB9103459D0 (en) * 1991-02-19 1991-04-03 Cross Mfg Co Brush seal assembly
US5201530A (en) * 1991-10-18 1993-04-13 United Technologies Corporation Multi-layered brush seal
DE29600193U1 (en) * 1996-01-08 1996-03-14 MTU Motoren- und Turbinen-Union München GmbH, 80995 München Brush seal with C-shaped clamping ring
DE102013017228B3 (en) 2013-10-17 2015-04-23 Airbus Defence and Space GmbH Switching device for an electrochemical energy storage, electrochemical energy storage and energy storage system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1989131A (en) * 1932-10-15 1935-01-29 Lubrication Corp Lubricating device
US1993763A (en) * 1933-11-03 1935-03-12 Touchstone & Sparkman Inc Dental cleaning brush
US2605490A (en) * 1948-10-20 1952-08-05 American Floor Surfacing Mach Rotary brush
US3019465A (en) * 1959-05-28 1962-02-06 Gen Electric Rug scrubbing tool attachment particularly for floor polishers
US3147503A (en) * 1961-09-25 1964-09-08 Osborn Mfg Co Modified brushing tool
US3335444A (en) * 1966-08-15 1967-08-15 Karl E Weiler Miniature brush construction and means of stem mounting

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1989131A (en) * 1932-10-15 1935-01-29 Lubrication Corp Lubricating device
US1993763A (en) * 1933-11-03 1935-03-12 Touchstone & Sparkman Inc Dental cleaning brush
US2605490A (en) * 1948-10-20 1952-08-05 American Floor Surfacing Mach Rotary brush
US3019465A (en) * 1959-05-28 1962-02-06 Gen Electric Rug scrubbing tool attachment particularly for floor polishers
US3147503A (en) * 1961-09-25 1964-09-08 Osborn Mfg Co Modified brushing tool
US3335444A (en) * 1966-08-15 1967-08-15 Karl E Weiler Miniature brush construction and means of stem mounting

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GB1223140A (en) 1971-02-24
DE1952984A1 (en) 1970-04-30

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