AU7403274A - Treatment of soil foundations - Google Patents

Description

MICROCOPY TEST CHART RESOLUTION OFSTANDADE1*3 eUREAU NATIONAL

COMMONWEALTH OF AUSTRALIA

The Patents Act 1952-1969

APPLICATION FOR A PATENT

frMLET- 'VS in t~eT C^ Bruce Jen Morriaon WE,

of 6 Tasman Circuit, Wagaman, in the State of Northern Territory, Commonwealth of Australia

hereby apply for the grant of a Patent for an invention entitled:

"Method of and apparatus for treatment of soil foundations against infestation by tormites, fungus and the like"

which is described in the accompanying Provisional specification.

My address for service is care G. R. CULLEN COMPANY, Patent Our Attorneys, of 289 Queen Street, Brisbane, in the State of

Queensland, Commonwealth of Australia.

DATED this day of 19

BRUCE JON MORRISON

6r77, By his Patent Attorneys,

G. R. CULLEN COMPANY

R. R. Michell

TO: THE COMMISSIONER OF PATENTS, COMMONWEALTH OF AUSTRALIA.

9 JUt ~974~

~fl

IRgulati_, 11 (1)

A I 'I'll 0' AU8TRA TA latents Act, 1952-.61)

FI'1AIhATIOD illSUTOR0IT 01'

All APIPI.1 ',ATI0N

7L( 110i A ILATE~iT OR p~kri:, OF ADDITION

In support of' the Application made by Bruce Jon Morrison

for a patent fra neto nild patent of~ addition fra neto nild "Method of and apparatus for treatmient of soil foundations against in'festation by termnites, A~A~i) Ifungus and the like" 9.4 Bruce Jon Morrison

of 6 Tasinan Circuit, liagatnnn, Northern Territory

do solemnly and sincerely declare as follows:-

1. am the applicait-a) frthe patent We atcrft6 oE~L~1 or Iaff 8U4,e~!1e4 b

.0 tie applic&:ttt F-v~

2. 1 m in possession of the invention, the subject of the application

iF 4M 4qRF; a sabjecb of the

3. 1 amr the actual inventor of the invention

We-avr e ft-64t-

(4 OCT Mi' C TENT OPP.- Declared at~iA-2v1 ,t his 09/ day of

Signature of Declarant To the Commissioner of' Patents Gi R. CULIEU F&COMPANY, Commonwealth of Australija. lur~sand, Australia. 'n v Ij 6 i-c A :w _iu5 rut so u r 'Aui it No~rHEftN TERRlITORYrok tAK(IiG ArFIDAVITS.

J4,AUTRA LAg&

Form PATENTS ACT 1952-1973

COMPLETE SPECIFICATION (ORIGINAL) FOR OFFICE USE Class: 31 S, SI(a

lnt.CI: 1101M I-1100, a1i100 'I v9OIN '11010, (1100 EOz0 3111i4

Application Number: 'I "0 I -14 Lodged: jq-_j4

Complete Specification--Lodged: 4-t0- 1N Aceep~edn!_p: Published: -q t -1

Priority: Wt.-

Related Art: 3 39b 'VbI5 7 (a

TO BE COMPLETED BY APPLICANT Name of Applicant: e) ur-ez -x w moft.1~ikin

Address of Applicant: 7/P c41 R e/-11 'VA'

Actual Inventor: oftC W

Address for Service: C-/zZ 6;-1 )4 0

Complete Specification for the invention entitled: "MertioD CiF Aw rjrjLvCI'A Us frp

The following statement is a full description of this invention, including the best method of performing it known to me:-* *Note: The description isto be typed in double spacing, pica type face, in an area not exceeding 250jniIn depth and 160 mm in width, on tough white paper of good quality and it is to be Inserted Inside this form. 12583/7S--L r. D. Atkinson, Government Printer, Canberra o 6s 1T o 06 0*

00 o o

0000

0006

00*

COMMONWEALTH OF AUSTRALIA

*605 The Patents Act 1952-1962 0555

Otto

Name of Applicant: BRUCE JON MORRISON 0055

0550 Address of Applicant: 6 Tasman Circuit, Wagamen, S in the State of Northern Territory, Commonwealth of Australia Actual Inventor: BRUCE JON MORRISON Address for Service: G. R. CULLEN COMPANY, Patent Trade Markr Attorneys, 289 Queen Street, Brisbane, in the State of Queensland# Commonwealth of Australia, -COMPLETE SPECIFCATION FOR THE IMVNTION ENTITLED: "M4ETHOD OF AND APPARATUS POP. TREATMENT OF SOIL FOUNDATIONS AGAINST INFESTATION BY TEENTES. FUMNUS AND TUE LIKE"

The following statement is a full description of the invention including the best method of performing it known to me: AWMJALIAN

4i

THIS INVENTION relates to a method of and apparatus

for treatment of soil foundations against infestation by

termites, fungus and the like.

Many areas are susceptible to infestation of the

soil by termites, fungus rots and other pests. In such an

area, it is customary, ci obligatoryp that before a building

is constructed, the soil layers under foundation work are

treated, by spraying with appropriate chemicals with the

object of preventing infestation by termites, fungus or the

10 like.

The protection given by such spraying is not,

i. however, indefinite, and indeed the average period of

protection in such a case may be only about ten years.

In many cases, then, it becomes necessary subsequently to

15 take further steps to control infestations. This has

hitherto been done by drilling holes in the concrete or other

foundations, and to inject pesticides under pressure through

these holes and into the affected soil. This method has

not proved satisfactory, as it is very costly, involving a considerable amount of time and labour, and moreover is

frequently far from effective, as efficient permeation of

all of the sub-foundation soil by chemicals introduced in

this manner is seldom achieved.

The present invention has been devised with the

general object of providing a method and means whereby the

treatment of soil under foundations of buildings may be carried out quickly, easily and economically whenever necessary or desirable.

Accordingly, the invention resides broadly in

a method of treating soil under building foundations against

infestation by termites, fungus and the like including the step of injecting, under pressure, a fluid pesticidal

substance through conduits located below the foundations, and from outlets from the conduits into the surrounding S: soil. In another aspect, the invention resides broadly

10 in apparatus for treating soil under building foundations •f including an assembly of interconnected conduits laid in soil below the foundations, an inlet to the said assembly

for the introduction of pesticidal treating substance

under pressure, and a multiplicity of outlets from the

*0 15 conduits to the ambient soil. In yet another aspect, the invention resides broadly in a foundation for a building including a porous bed of granular or like material, a 0*

concrete or like slab supported by the said bed, an assembly

of interconnected conduits within the bed, an inlet to the

20 assembly of conduits for the introduction under pressure

of a fluid pesticidal substance, and a multiplicity of

outlets from the assembly of conduits. Other features of the invention will become apparent from the following

description.

In order that a preferred embodiment of the invention may be readily understood and carried into practical effect, reference is now made to the accompanying drawings, wherein:-

FIG. 1 is a floor plan of a house, showing in

broken outline the layout of a system of interconnected

conduits in the foundation, and

FIG. 2 is a sectional drawing to increased scale

taken along line 2-2 in Fig. 1. *0

In the embodiment of the invention illustrated,

excavations are made in the soil for the reinforced

o. 10 concrete footings 10 for the cavity brick exterior walls 11

of a house, and, within the boundary of these walls, for a

0i"" granular fill 12 upon which a concrete slab floor 13

is to be laid.

:i "When the granular fill 12, which is normally

15 of gravel and/or sand, has been laid and levelled to about

00** half its final depth, there is laid thereon an assembly of

interconnected perforated conduits 14. The conduits may be

of any suitable type resistant to corrosion and/or signifioant

deterioration as a consequence of being laid in soil and/or

20 in contact with concrete, and/or of exposure to pesticidal

chemicals. Copper pipes have been found satisfactory in

this regard, but certain plastics may also satisfy these

requirements.

The perforations 15 of the conduit may be of any

desired form, such as round holes, or longitudinal or arcuate

slots. The conduit is laid in a pattern to suit the particular configuration of the foundation excavation, ensuring that no part of the sub-foundation soil layer in more than a predetermined distance from some part of the conduit. Thus, in the house plan shown in Fig. 1, consisting in essence of two elongated rectangular wings interconnected by a third rectangular section, the conduits

14 are laid out in the form of closed loops A and B in the

sub-foundation soil of both of the two wings, these two.

closed loops being interconnected by a pair of parallel *Sao

00000010 conduits 14 in the sub-foundation soil of the connecting too: section. The conduit assembly may be made up of straight

*00 lengths of perforatid copper pipe interconnected by elbows and T-piece connectors of conventional type.

In the example shown, the assembly of conduits

15 has two filling points indicated generally at 16, one to

each of the elongated closed loops A and B, these filling data points being hereinafter more fully described.

A furthor layer of sand or other suitable

granular fill is laid upon the initial fill and upon the

assembly of conduits laid thereon, and then, in usual

fashion, a layer 17 of polythene sheeting is applied over

this fill, and the concrete slab 13 Is laid thereon. As shown particularly in Fig. 2, each of the

filling points 16 comprises a length, or interconnected

lengths, of non-perkbrated conduit 18 connected at one end by a T-piece connector 19 to an appropriate one of the perforated conduits 14, carried out through the inner section of a cavity brick exterior wall 11, up between the two spaced brick wall sections, and then out through the outer wall section at a convenient height. The extremity of the conduit 18 is threaded, and is normally closed by a screw-on sealing closure cap 19, a suitable protective shield or ccwiing 20 being mounted on the wall o 11 to protect the end of the conduit 18 and its closure

19 from weathering and accidenta1 damage.

10 When it is considered necessary or desirable to

treat the soil under the foundation to prevent, or to

eliminate, a termite, fungus or like infestation, the

closure cap 19 is unscrewed, and the appropriate treating

chemical is introduced to the filling point under pressure,

15 a chemical injection device being connected to the threaded

end of the conduit 17 by a suitable coupling. The treating fluid will pass through the assembly of perforated conduits

14, and outwardly through the perforations in the conduit

to the surrounding granular fill 12, which consequently

20 becomes thoroughly and effectively permeated by the pesticide. It will be apparent that treat-nent in this manner will b

simple and convenient and much less costly, though far more

efficient, than methods previously used.

The invention, although of simple character, will

be found to be very effective in achieving the objects for

which it has been devised. It will, of course, be understood that the particular embodiment of the invention herein described and illustrated may be subject to many modificationo of constructional detail and designp which will be readily apparent to skilled persons, without

3 departing from the ambit of the invention as defined by

the appended claims.

0e

Claims (1)

1. The claims defining the invention are as follows

   1. A method of treating soil under building

   foundations against infestation by termites, fungus and the

   like including the step of injecting, under pressure, a

   fluid pesticidal substance through conduits located below

   the foundations, and from outlets from the conduits into

   the surrounding soil.

   2. Apparatus for treating soil under building

   foundations against infestation by termites, fungus and o ,:0o the like including:

   *o an assembly of interoonnected conduits laid in

   soil below the foundations,

   an inlet to the said assembly for the

   introduction of fluid pesticidal treating substance under :0. a.. o" pressure, and

   a multiplicity of outlets from the conduits to the

   ambient soil.

   3. Apparatus according to Claim 1 wherein the inlet

   to the assembly of interconnected conduits includes:

   an inlet conduit connected at one end to the said

   assembly of conduits, its other end being located outwardly

   of the building, and

   a closure releasably engaged on the said other

   end of the inlet conduit.

   4. Apparatus according to any one of the preceding claims wherein the outlets from the conduits consist of perforations through the walls of the conduits.

   A foundation for a building including: a porous bed of granular or like material,

   a concrete or like slab supported by the said bed,

   an assembly of interconnected conduits within the

   bed,

   :an inlet to the assembly of conduits for the

   introduction under pressure of a fluid pesticidal substance, and

   a multiplicity of outlets from the assembly of

   conduits.

   6. A method of treating soil under building

   foundations substantially as herein described with reference to the accompanying drawings.

   7. Apparatus for treating soil under building S• foundations substantially as herein described with reference to the accompanying drawings.

   8. A foundation for a building substantially as

   herein described with reference to the accompanying drawings. 0*

   DATED this 13th day of September, 1974.

   BRUCE JON MORRISON

   By his Patent Attorneys

   G. R. CULLuN COMPANY

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