AU632384B2 - Storage tank drip tray - Google Patents

Storage tank drip tray Download PDF

Info

Publication number
AU632384B2
AU632384B2 AU66733/90A AU6673390A AU632384B2 AU 632384 B2 AU632384 B2 AU 632384B2 AU 66733/90 A AU66733/90 A AU 66733/90A AU 6673390 A AU6673390 A AU 6673390A AU 632384 B2 AU632384 B2 AU 632384B2
Authority
AU
Australia
Prior art keywords
drip tray
storage tank
ribs
tray
tank according
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.)
Ceased
Application number
AU66733/90A
Other versions
AU6673390A (en
Inventor
Michael Edward Murrell
Andrew Mark Perkins
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.)
Rikedam Pty Ltd
Original Assignee
Rikedam Pty Ltd
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 Rikedam Pty Ltd filed Critical Rikedam Pty Ltd
Priority to AU66733/90A priority Critical patent/AU632384B2/en
Publication of AU6673390A publication Critical patent/AU6673390A/en
Application granted granted Critical
Publication of AU632384B2 publication Critical patent/AU632384B2/en
Assigned to RIKEDAM PTY LTD reassignment RIKEDAM PTY LTD Alteration of Name(s) in Register under S187 Assignors: BEASLEY INDUSTRIES PTY LTD
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/24—Spillage-retaining means, e.g. recovery ponds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/16—Arrangements for water drainage 
    • F24H9/17—Means for retaining water leaked from heaters

Description

632384 Form COMMONWEALTH OF AUSTRALIA PATENTS ACT 1952-62 COMPLETE SPECIFICATION
(ORIGINAL)
FOR OFFICE USE: Application Number: Lodged: Complete Specification Lodged: Published: S Priority: Related Art: Class Int. Class Name of Applicant: Address of Applicant: Actual Inventor:s Address for Service: Complete Specification TO BE COMPLETED BY APPLICANT BEASLEY INDUSTRIES PTY LTD Bolton Avenue, Devon Park, State of South Australia, Commonwealth of Australia MICHAEL EDWARD MU;RELL and ANDREW MARK PERKINS Care of R K MADDERN ASSOCIATES, 345 King William Street, Adelaide, South Australia, Australia for the invention entitled: "STORAGE TANK DRIP TRAY" The fQllowing statement is a full description of this invention, including the best method of performing it known to re-us ;I;r i ir;i-l ;i;li i i ui__ L 1- i l ir-ii -1 This invention relates to a drip tray which is useful for supporting a storage tank and is particularly valuable for supporting a hot water tank.
Conventionally hot water tanks are formed from plastics or non-corrosive metals, and are supported on steel or wooden trays which are provided with means for draining any leakage or overflow to a locality where no damage will be done.
Frequently the water tanks are provided with steel outer Scasings, and if steel drip trays are used (which sometimes occurs) the interface between the drip tray and tank casing can absorb moisture and generate rust areas which reduce the lifespan of the installation. In the alternative, when wood slats are used to support a tank, the wood absorbs moisture and similarly there can be a development of rust in the casing for the tank and the lifespan is not very much improved over the use of a steel based tank.
It is a requirement that a drip tray must have drainage, I d and it is customary in low pressure systems for a carpenter o to provide a sloping support, for the tray to have its base 9) on the support, and for the tank also to slope.
With the object of providing an improvement to the prior art drip trays which are in common use for hot water storage tanks, in an embodiment of this invention a drip tray is i formed from a polymeric material (for example polypropylene) and is provided with a flat horizontal undersurface portion which is suitable for supporting by a horizontal flat surface, beam or the like, but a floor having portions which slope towards one portion of the periphery of the tray, and that portion of the periphery of the tray is provided with drainage means.
While the invention need not necessarily include the abovementioned details an embodiment is described hereunder in some further detail with reference to and is illustrated in the accompanying drawings in which: Fig 1 is a top view of a drip tray, Fig 2 is a part section taken on line 2-2 of Fig 1, Fig 3 is an end elevation taken in the direction of arrow B on Fig 1, and Fig 4 is a detail part section taken at the locality C of Fig 2 but drawn to an enlarged scale.
I In this embodiment, a drip tray 10 comprises a base 11 ,and a peripheral side wall 12 which diverges upwardly from i! the base 11.
L T0 The drip tray is circular in plan, and its base 11 comprises floor portion channels 13 from which a plurality of j arcuate upstanding ribs 14 extend. Each rib 14 comprises two 4 side walls and an upper wall. The ribs 14 however are discontinuous circumferentially but generally concentric, so that the floor portion channels 13 are free flow channels for water if overflow occurs, or if a leakage develops in the tank which the tray must support.
The channels 13 of the floor portions slope downwardly to drain towards a drainage locality 16 near the periphery of the drip tray 10, the drainage locality 16 having two outlets, one outlet being defined by walls 17 and being a side outlet which the other outlet comprises a "knockout" disc 18 which can be removed from the floor 13, but which is adjacent to the walls 17. If the base outlet at 18 is utilised, then the side outlet is sealed by a bung which engages the walls 17. A small trough 19 exists between those two outlets, and when the side outlet is used, ensures a minimal amount of drainage water at the locality of the outlets.
The whole tray is simply moulded from polypropylene, and has lower edges 21 of the side walls of the ribs 11 lying in 2 I I i I n ci0 a flat horizontal tray supporting plane P1 on the underside and the upper rib walls provide tank support surfaces which lie in a second flat horizontal plane P2 within the drip tray, above the floor portion but intermediate the height of the peripheral wall 12. However, as said above, the floor portion channels slope downwardly, the slope being by a distance in Fig 2. Thus, in this invention, the drip tray can be supported on a horizontal base, and support a tank to stand horizontal, yet provide the required drainage.
A consideration of the above embodiment will indicate that although the invention is very simple it nevertheless results in an effective drip tray which is inexpensive, which is convenient to use, and which is Less likely to promote rus't or other corrosion in a tank supported by it.

Claims (7)

1. A drip tray for a storage tank comprising a moulding of polymeric material having a base, peripheral side walls surrounding the base, tray supporting undersurfaces lying in a plane which, in use, is horizontal, ribs extending upwardly from the undersurfacesand providing tank supporting surfaces which lie in a horizontal plane located above the tray supporting.f.-&e.. the ribs flanking a floor which slopes downwardly to a discharge locality.
2. A drip tray for a storage tank according to claim 1 wherein said ribs have side walls the lower edges of which define the tray supporting undersurfaces.
3. A drip tray for a storage tank according to claim 1 or claim 2 wherein said ribs have upper walls which define the tank supporting surfaces.
4. A drip tray for a storage tank according to claim 2 wherein said floor comprises a plurality of floor portion channels extending between adjacent said rib side walls.
A drip tray for a storage tank according to claim 4 wherein each said rib is part-circular in plan, said ribs being concentric, but said floor portion channels are free flow channels between the ribs.
6. A drip tray for a storage tank according to any preceding claim wherein said discharge locality comprises a trough, and discharge apertures adjacent the trough, and closure means closing at least one said discharge aperture. 4
7. A drip tray for a storage tank substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings. Dated this 20th day of November, 1990 BEASLEY INDUSTRIES PTY LTD By its Patent Attorneys S R K MADDERN ASSOCIATES 1 9 1 4 I
AU66733/90A 1989-11-23 1990-11-20 Storage tank drip tray Ceased AU632384B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU66733/90A AU632384B2 (en) 1989-11-23 1990-11-20 Storage tank drip tray

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPJ755689 1989-11-23
AUPJ7556 1989-11-23
AU66733/90A AU632384B2 (en) 1989-11-23 1990-11-20 Storage tank drip tray

Publications (2)

Publication Number Publication Date
AU6673390A AU6673390A (en) 1991-05-30
AU632384B2 true AU632384B2 (en) 1992-12-24

Family

ID=25635211

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66733/90A Ceased AU632384B2 (en) 1989-11-23 1990-11-20 Storage tank drip tray

Country Status (1)

Country Link
AU (1) AU632384B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2429233A (en) * 2005-08-17 2007-02-21 David Francis Heelan An attic tank supporting apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134683A (en) * 1991-06-12 1992-07-28 Rheem Manufacturing Company Water heater with integral drainage catch pan structure
US7753046B2 (en) * 2005-09-02 2010-07-13 Weber-Stephen Products Co. Tank retainer
CN202254322U (en) * 2011-09-20 2012-05-30 艾欧史密斯(中国)热水器有限公司 Bottom heat exchanger for water tank of heat pump water heater

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU510351B2 (en) * 1978-06-26 1980-06-19 Sunmaster Corporation Solar energy
AU512702B2 (en) * 1978-06-26 1980-10-23 Sunmaster Corporation Solar collector
AU554326B2 (en) * 1982-09-29 1986-08-14 Rheem Manufacturing Company Water heater tank assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU510351B2 (en) * 1978-06-26 1980-06-19 Sunmaster Corporation Solar energy
AU512702B2 (en) * 1978-06-26 1980-10-23 Sunmaster Corporation Solar collector
AU554326B2 (en) * 1982-09-29 1986-08-14 Rheem Manufacturing Company Water heater tank assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2429233A (en) * 2005-08-17 2007-02-21 David Francis Heelan An attic tank supporting apparatus

Also Published As

Publication number Publication date
AU6673390A (en) 1991-05-30

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: RIKEDAM PTY LTD

Free format text: FORMER OWNER WAS: BEASLEY INDUSTRIES PTY. LTD.

MK14 Patent ceased section 143(a) (annual fees not paid) or expired