WO2000078470A1 - Connection device - Google Patents

Connection device Download PDF

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Publication number
WO2000078470A1
WO2000078470A1 PCT/AU2000/000692 AU0000692W WO0078470A1 WO 2000078470 A1 WO2000078470 A1 WO 2000078470A1 AU 0000692 W AU0000692 W AU 0000692W WO 0078470 A1 WO0078470 A1 WO 0078470A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection device
connection
sheet
strip
edge
Prior art date
Application number
PCT/AU2000/000692
Other languages
French (fr)
Other versions
WO2000078470A8 (en
Inventor
Paul Nicholas Dalley
Original Assignee
Paul Nicholas Dalley
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 Paul Nicholas Dalley filed Critical Paul Nicholas Dalley
Priority to AU52019/00A priority Critical patent/AU5201900A/en
Publication of WO2000078470A1 publication Critical patent/WO2000078470A1/en
Publication of WO2000078470A8 publication Critical patent/WO2000078470A8/en

Links

Classifications

    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0692—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining flexible sheets to other sheets or plates or to strips or bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/09—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with filtering bands, e.g. movable between filtering operations
    • B01D29/096—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/10—Screens in the form of endless moving bands
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F16B5/0056—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels or the interlocking key perpendicular to the main plane
    • F16B5/0064—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates or panels or the interlocking key perpendicular to the main plane and using C-shaped clamps

Definitions

  • This invention relates to a connection device for connecting edges of flexible sheet material together.
  • the invention has been devised particularly, although not solely for connecting ends of screen cloth together.
  • the endless screen typically being formed from monofilament cloth.
  • the monofilament cloth is in a single length, with the ends connected together to provide an endless structure.
  • connection device comprising a first portion and a second portion, the first portion being adapted to be affixed to an edge portion of a flexible sheet and the second portion being adapted to inter-engage with the corresponding portion of a further connection device in a manner which allows pivotal movement therebetween about an axis which in use is generally parallel to the longitudinal axis of the edge portion of the flexible sheet.
  • the first portion comprises an elongate generally planar portion adapted to locate against the edge portion of the sheet and to be secured thereto.
  • the first portion is secured to the edge portion of the sheet by securing means such as staples positioned at intervals along the length of the planar portion.
  • the second portion may comprise a hook formation, with the opening of the hook facing the first portion.
  • two such connection devices can be pivotally connected one to another by inter-engagement between the hook formations.
  • the hook formation is of a generally J-shape.
  • connection device is of unitary construction.
  • connection device can be formed of a strip of material, such as sheet metal, with one longitudinal edge section turned inwardly to provide the hook formation.
  • the connecting device may comprise a plurality of sections along the length thereof which can bend or flex one with respect to another within the plane of the sheet. This is advantageous in that it allows the elongate connection device to bend or flex along the length thereof to follow an edge of a sheet which is not necessarily straight.
  • a protective strip may be disposed between the first portion of the connection device and the edge portion of the sheet to which it is secured.
  • the protective strip may be formed of a flexible material such as rubber.
  • the strip is positioned to extend beyond the inner edge of the connection device opposite to the first portion thereof. In this way, the strip shields the flexible sheet from the inner edge of the connection device.
  • connection device comprising a strip of metal, one longitudinal edge section of the strip being configured to provide a hook formation for engaging a corresponding edge section of a similar connection device in a manner permitting relative pivotal movement between the two inter-engaged connection devices about an axis generally parallel to the longitudinal extent of the two devices.
  • the invention also provides a flexible screen having two end sections, the two end sections being connected one to another, each edge section having secured thereto a connection device as defined hereinbefore.
  • the invention further provides a connection for connecting end sections of flexible sheet material together, the connection comprising two connection devices pivotally connected one to another, each connection device being adapted to be secured to a respective end section of the flexible material.
  • Figure 1 is a schematic perspective view of a screening machine incorporating an endless screen with end sections thereof connecting together with connection devices according to the embodiment;
  • Figure 2 is a schematic side view of two end sections of the endless screen connected together with connection devices according to the embodiment.
  • Figure 3 is a perspective view of one connection device fitted onto an end section of the screen;
  • Figure 4 is a underside perspective view of Figure 3;
  • Figure 5 is a plan view showing one connection device fitted to an end section of the screen
  • Figure 6 is an underside view of Figure 5;
  • Figure 7 is a fragmentary perspective view of one connecting device.
  • Figure 8 is a fragmentary plan view of one connection device.
  • a screening machine 11 which is of conventional construction and which incorporates an endless screen 13 passing around a series of rollers 15.
  • the screening machine 11 incorporates a distribution box 12 for delivering material to the screen 13, a de-watering box 14 beneath the screen, and a discharge chute 16.
  • the endless screen 13 comprises a sheet 17 of monofilament screen cloth, typically polypropylene or nylon woven mesh cloth.
  • the endless screen 13 has two end sections 17a and 17b respectively which are connected together by two inter-engaging connection devices 20 according to the embodiment.
  • connection device 20 is formed from a strip of sheet metal 21 having two longitudinal edges 23, 25.
  • a longitudinal edge section 27 adjacent longitudinal edge 25 is turned inwardly so as to provide a hook formation 29.
  • the hook formation 29 has an inwardly facing opening 30.
  • the connection device 20 has two portions, one being a first portion 31 and the other being a second portion 32 corresponding to the hook formation 29 defined by the inturned edge section 27.
  • the first portion 31 is generally planar and can be positioned in overlapping relationship with the respective end section 17a, 17b of the sheet 17, as best seen in Figure 2 of the drawings.
  • the first portion 31 can then be secured to the respective end section 17a, 17b of the sheet 17 by securing means 35 which in this embodiment is in the form of staples positioned in rows at intervals along the length of the connection device.
  • the staples 35 pass through holes 34 formed in the first portion 31 of the connection device 20.
  • the staples 35 are positioned so as to secure the connection device 20 to longitudinal filaments 36 (as opposed to cross filaments 37) of the screen cloth. This provides a robust connection between the connecting device and the screen cloth.
  • a protective strip 38 is disposed between the first portion 31 of each protective device 20 and the respective end section 17a, 17b of the sheet 17.
  • the protective strip 38 is formed of a flexible material (such as rubber) and extends beyond the inner edge 39 of the first portion 31 (as best seen in Figures 2, 4 and 6). In the way, the protective strip 38 provides a protective buffer between the connection device 20 and the respective end section 17a, 17b of the sheet. Furthermore, because the protective strip 38 extends beyond the inner edge 39 of the first portion 31 , it acts to shield the sheet 17 from contact with the inner edge 39 as the sheet 17 follows the circuitous path of the endless screen 13 passing around the rollers 15.
  • the two end sections 17a, 17b of the sheet 17 can be connected together by inter-engagement of the hook formations 29 of the two connection devices 20, as best seen in Figure 2 of the drawings.
  • This provides a engagement between the two connection devices 20 in a manner which allows pivotal movement therebetween about an axis which is generally parallel to the longitudinal axis of the two connection devices.
  • the longitudinal axis about which the two connection devices 20 can pivot with respect to each other is also, in use, generally parallel to the edges of end sections 17a, 17b of the flexible sheet.
  • the pivotal connection between the two connections devices 20 is important so as to permit the connection between the two end sections to pass about the rollers 15 as the endless screen 13 moves through its circuitous path.
  • Each connection device 20 may have cut-outs 41 in the first portion 31 at intervals along the length of the connection device, as best seen in Figure 8 of the drawings.
  • the cut-outs 41 serve to divide the connection device 20 into sections 47 connected one to another by the remainder portion 49 adjacent each cut-out 41.
  • the remainder portions 49 serve to provide flexible hinges between adjacent sections 47 of the connection device 20, thereby to allow the connection device to be bent or flexed along the length thereof as necessary to conform to the edge of the respective end section 17a, 17b in circumstances where the edge is not straight.
  • connection devices allow the end sections to be conveniently connected together and released as necessary.
  • the inter-engagement between the hook formations allow the connection to be readily achieved.
  • the connection is maintained by virtue of the tension under which the endless screen is placed when installed in the screening machine.
  • the pivotal movement between the two connection devices 20 accommodated by the manner of inter-engagement between the hook formations allows the two connection devices to pivot with respect to each other to generally conform to the profiles of rollers which are encountered during circuitous movement of the screen cloth within the screening machine.

Abstract

A connection device (20) comprising a first portion (31) and a second portion (32). The first portion (31) is adapted to be affixed to an edge portion of a flexible sheet (17) and the second portion (32) is adapted to inter-engage with the corresponding portion (32) of a further connection device (20) in a manner which allows pivotal movement therebetween about an axis which in use is generally parallel to the longitudinal axis of the edge portion of the flexible sheet. In this way, the two connecting devices (20) can be used to connect two edges of a flexible sheet together.

Description

'Connection Device"
Field of the Invention
This invention relates to a connection device for connecting edges of flexible sheet material together.
The invention has been devised particularly, although not solely for connecting ends of screen cloth together.
Background Art
It is known to provide screening machines which utilise an endless screen passing about rollers, the endless screen typically being formed from monofilament cloth. Typically, the monofilament cloth is in a single length, with the ends connected together to provide an endless structure. It is customary to connect the ends of the sheet together using sets of clips which incorporate eyelets. The clips are so positioned that the eyelets are in alignment to receive a connecting wire which can be fed through the eyelets. With this arrangement, the connecting wire connects the two sets of clips together and thereby connects the two ends of the sheet together. This provides a so-called "clipper seam" in the endless screen.
There are several deficiencies with this arrangement, one of which is that it can sometimes be difficult to feed the connecting wire through the aligned eyelets, particularly when the screen cloth is wide (such as in the order of up to 5 metres). A further deficiency is that the clips connect only to cross fibres which are the weakest part of the cloth.
It is against this background, and the problems and deficiencies associated therewith, that the present invention has been developed. Disclosure of the Invention
The present invention provides a connection device comprising a first portion and a second portion, the first portion being adapted to be affixed to an edge portion of a flexible sheet and the second portion being adapted to inter-engage with the corresponding portion of a further connection device in a manner which allows pivotal movement therebetween about an axis which in use is generally parallel to the longitudinal axis of the edge portion of the flexible sheet.
Preferably, the first portion comprises an elongate generally planar portion adapted to locate against the edge portion of the sheet and to be secured thereto. Typically, the first portion is secured to the edge portion of the sheet by securing means such as staples positioned at intervals along the length of the planar portion.
The second portion may comprise a hook formation, with the opening of the hook facing the first portion. With this arrangement, two such connection devices can be pivotally connected one to another by inter-engagement between the hook formations.
Preferably, the hook formation is of a generally J-shape.
Conveniently, the connection device is of unitary construction. In this regard, the connection device can be formed of a strip of material, such as sheet metal, with one longitudinal edge section turned inwardly to provide the hook formation.
The connecting device may comprise a plurality of sections along the length thereof which can bend or flex one with respect to another within the plane of the sheet. This is advantageous in that it allows the elongate connection device to bend or flex along the length thereof to follow an edge of a sheet which is not necessarily straight.
A protective strip may be disposed between the first portion of the connection device and the edge portion of the sheet to which it is secured. The protective strip may be formed of a flexible material such as rubber. Preferably, the strip is positioned to extend beyond the inner edge of the connection device opposite to the first portion thereof. In this way, the strip shields the flexible sheet from the inner edge of the connection device.
The invention also provides a connection device comprising a strip of metal, one longitudinal edge section of the strip being configured to provide a hook formation for engaging a corresponding edge section of a similar connection device in a manner permitting relative pivotal movement between the two inter-engaged connection devices about an axis generally parallel to the longitudinal extent of the two devices.
The invention also provides a flexible screen having two end sections, the two end sections being connected one to another, each edge section having secured thereto a connection device as defined hereinbefore.
The invention further provides a connection for connecting end sections of flexible sheet material together, the connection comprising two connection devices pivotally connected one to another, each connection device being adapted to be secured to a respective end section of the flexible material.
Brief Description of the Drawings
The invention will be better understood by reference to the following description of one specific embodiment thereof as shown in the accompanying drawings in which:
Figure 1 is a schematic perspective view of a screening machine incorporating an endless screen with end sections thereof connecting together with connection devices according to the embodiment;
Figure 2 is a schematic side view of two end sections of the endless screen connected together with connection devices according to the embodiment. Figure 3 is a perspective view of one connection device fitted onto an end section of the screen;
Figure 4 is a underside perspective view of Figure 3;
Figure 5 is a plan view showing one connection device fitted to an end section of the screen;
Figure 6 is an underside view of Figure 5;
Figure 7 is a fragmentary perspective view of one connecting device; and
Figure 8 is a fragmentary plan view of one connection device.
Best Mode(s) for Carrying out the Invention
Referring to the drawings, there is shown a screening machine 11 which is of conventional construction and which incorporates an endless screen 13 passing around a series of rollers 15. The screening machine 11 incorporates a distribution box 12 for delivering material to the screen 13, a de-watering box 14 beneath the screen, and a discharge chute 16.
The endless screen 13 comprises a sheet 17 of monofilament screen cloth, typically polypropylene or nylon woven mesh cloth. The endless screen 13 has two end sections 17a and 17b respectively which are connected together by two inter-engaging connection devices 20 according to the embodiment.
Each connection device 20 is formed from a strip of sheet metal 21 having two longitudinal edges 23, 25. A longitudinal edge section 27 adjacent longitudinal edge 25 is turned inwardly so as to provide a hook formation 29. the hook formation 29 has an inwardly facing opening 30. With this arrangement, the connection device 20 has two portions, one being a first portion 31 and the other being a second portion 32 corresponding to the hook formation 29 defined by the inturned edge section 27. The first portion 31 is generally planar and can be positioned in overlapping relationship with the respective end section 17a, 17b of the sheet 17, as best seen in Figure 2 of the drawings. The first portion 31 can then be secured to the respective end section 17a, 17b of the sheet 17 by securing means 35 which in this embodiment is in the form of staples positioned in rows at intervals along the length of the connection device. The staples 35 pass through holes 34 formed in the first portion 31 of the connection device 20. The staples 35 are positioned so as to secure the connection device 20 to longitudinal filaments 36 (as opposed to cross filaments 37) of the screen cloth. This provides a robust connection between the connecting device and the screen cloth.
A protective strip 38 is disposed between the first portion 31 of each protective device 20 and the respective end section 17a, 17b of the sheet 17. The protective strip 38 is formed of a flexible material (such as rubber) and extends beyond the inner edge 39 of the first portion 31 (as best seen in Figures 2, 4 and 6). In the way, the protective strip 38 provides a protective buffer between the connection device 20 and the respective end section 17a, 17b of the sheet. Furthermore, because the protective strip 38 extends beyond the inner edge 39 of the first portion 31 , it acts to shield the sheet 17 from contact with the inner edge 39 as the sheet 17 follows the circuitous path of the endless screen 13 passing around the rollers 15.
The two end sections 17a, 17b of the sheet 17 can be connected together by inter-engagement of the hook formations 29 of the two connection devices 20, as best seen in Figure 2 of the drawings. This provides a engagement between the two connection devices 20 in a manner which allows pivotal movement therebetween about an axis which is generally parallel to the longitudinal axis of the two connection devices. With this arrangement, the longitudinal axis about which the two connection devices 20 can pivot with respect to each other is also, in use, generally parallel to the edges of end sections 17a, 17b of the flexible sheet. The pivotal connection between the two connections devices 20 is important so as to permit the connection between the two end sections to pass about the rollers 15 as the endless screen 13 moves through its circuitous path. Each connection device 20 may have cut-outs 41 in the first portion 31 at intervals along the length of the connection device, as best seen in Figure 8 of the drawings. The cut-outs 41 serve to divide the connection device 20 into sections 47 connected one to another by the remainder portion 49 adjacent each cut-out 41. The remainder portions 49 serve to provide flexible hinges between adjacent sections 47 of the connection device 20, thereby to allow the connection device to be bent or flexed along the length thereof as necessary to conform to the edge of the respective end section 17a, 17b in circumstances where the edge is not straight.
From the foregoing, it is evident that the present invention provides a simple yet highly effective arrangement for connecting two end sections of screen cloth together to form an endless structure. The connection devices allow the end sections to be conveniently connected together and released as necessary. The inter-engagement between the hook formations allow the connection to be readily achieved. The connection is maintained by virtue of the tension under which the endless screen is placed when installed in the screening machine. The pivotal movement between the two connection devices 20 accommodated by the manner of inter-engagement between the hook formations allows the two connection devices to pivot with respect to each other to generally conform to the profiles of rollers which are encountered during circuitous movement of the screen cloth within the screening machine.
It should be appreciated that the scope of the invention is not limited to the scope of the embodiment described.
Throughout the specification, unless the context requires otherwise, the word "comprise" or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated integer or group of integers but not the exclusion of any other integer or group of integers.

Claims

The Claims Defining The Invention Are As Follows:
1. A connection device comprising a first portion and a second portion, the first portion being adapted to be affixed to an edge portion of a flexible sheet and the second portion being adapted to inter-engage with the corresponding portion of a further connection device in a manner which allows pivotal movement therebetween about an axis which in use is generally parallel to the longitudinal axis of the edge portion of the flexible sheet.
2. A connection device according to claim 1 wherein the first portion comprises an elongate generally planar portion adapted to locate against the edge portion of the sheet and to be secured thereto.
3. A connection device according to claim 2 wherein the first portion is adapted to be secured to the edge portion of the sheet by securing means positioned at intervals along the length of the planar portion.
4. A connection device according to any one of the preceding claims wherein the second portion comprises a hook formation, with the opening of the hook facing the first portion.
5. A connection device according to claim 4 wherein the hook formation is of a generally J-shape.
6. A connection device according to claim 4 or 5 formed of a strip of material with one longitudinal edge section turned inwardly to provide the hook formation.
7. A connection device according to claim 6 wherein the strip comprises a plurality of sections along the length thereof which can bend or flex one with respect to another within the plane of the sheet.
8. A connection device comprising a strip of metal, one longitudinal edge section of the strip being configured to provide a hook formation for engaging a corresponding edge section of a similar connection device in a manner permitting relative pivotal movement between the two inter-engaged connection devices about an axis generally parallel to the longitudinal extent of the two devices.
9. A connection for connecting end sections of flexible sheet material together, the connection comprising two connection devices according to any one of the preceding claims, pivotally connected one to another, each connection device being adapted to be secured to a respective end section of the flexible material.
10. A connection according to claim 9 further comprising a protective strip disposed between the first portion of each connection device and the edge portion of the sheet to which it is secured.
11. A connection according to claim 10 wherein the protective strip is formed of a flexible material such as rubber.
12. A connection according to claim 10 or 11 wherein the strip is positioned to extend beyond the inner edge of the connection device opposite to the first portion thereof.
13. A flexible screen having two end sections, the two end sections being connected one to another, each edge section having secured thereto by a connection device according to any one of claims 1 to 8.
14. A connection device substantially as herein described with reference to the accompanying drawings.
15. A connection substantially as herein described with reference to the accompanying drawings.
16. A flexible screen according to claim 13 substantially as herein described with reference to the accompanying drawings.
PCT/AU2000/000692 1999-06-21 2000-06-21 Connection device WO2000078470A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU52019/00A AU5201900A (en) 1999-06-21 2000-06-21 Connection device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPQ1108 1999-06-21
AUPQ1108A AUPQ110899A0 (en) 1999-06-21 1999-06-21 Connection device

Publications (2)

Publication Number Publication Date
WO2000078470A1 true WO2000078470A1 (en) 2000-12-28
WO2000078470A8 WO2000078470A8 (en) 2001-06-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2000/000692 WO2000078470A1 (en) 1999-06-21 2000-06-21 Connection device

Country Status (2)

Country Link
AU (1) AUPQ110899A0 (en)
WO (1) WO2000078470A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278623A (en) * 1993-06-02 1994-12-07 Raswill Representative Pte Ltd An interlocking joint
JPH0889896A (en) * 1994-09-19 1996-04-09 Mitsuboshi Belting Ltd Rubber screen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278623A (en) * 1993-06-02 1994-12-07 Raswill Representative Pte Ltd An interlocking joint
JPH0889896A (en) * 1994-09-19 1996-04-09 Mitsuboshi Belting Ltd Rubber screen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN *

Also Published As

Publication number Publication date
WO2000078470A8 (en) 2001-06-21
AUPQ110899A0 (en) 1999-07-15

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