WO2005080234A1 - Plastic belt element and conveyor belt comprising such - Google Patents

Plastic belt element and conveyor belt comprising such Download PDF

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Publication number
WO2005080234A1
WO2005080234A1 PCT/EP2005/002115 EP2005002115W WO2005080234A1 WO 2005080234 A1 WO2005080234 A1 WO 2005080234A1 EP 2005002115 W EP2005002115 W EP 2005002115W WO 2005080234 A1 WO2005080234 A1 WO 2005080234A1
Authority
WO
WIPO (PCT)
Prior art keywords
belt
protrusions
plastic belt
plastic
elements
Prior art date
Application number
PCT/EP2005/002115
Other languages
French (fr)
Inventor
Willem Van Faassen
Original Assignee
Ashworth Jonge Poerink B.V.
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
Priority claimed from EP04075583A external-priority patent/EP1568626A1/en
Application filed by Ashworth Jonge Poerink B.V. filed Critical Ashworth Jonge Poerink B.V.
Publication of WO2005080234A1 publication Critical patent/WO2005080234A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
    • B65G17/08—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element
    • B65G17/086—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element specially adapted to follow a curved path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/24—Helical or spiral conveying path

Definitions

  • the invention relates to a plastic belt element.
  • Such elements are widely known. When such belt elements are used in, for example, the food industry, the belt elements must meet very specific requirements. One of these requirements is that the belt elements must meet FDA standards. This means that such a belt could be inspected at any time. The inspection is mainly focussed on the presence of dirt and bacteria, which is of course unwanted in the food industry.
  • Plastic belt elements are known in the prior art. Such belt elements are connected to each other by rods. These rods extend through openings in the belt elements. These openings are adapted to the dimensions of the rod, thereby making it difficult to inspect whether any unwanted material is present in the holes, through which the rod extends. It is also known in the art to use conveyor belts in so-called stacker belt configurations.
  • the conveyor belt With a stacker belt the conveyor belt is spirally wound around a drum and at least one side of the conveyor belt supports itself, such that portions of the conveyor belt are supported by other portions of the same conveyor belt.
  • Such conveyor belts are only known as being made of stainless steel .
  • An extending support element is arranged on the metal conveyor belt such that this support element can support portions of the conveyor belt above.
  • the support elements are generally embodied as thin plates, which do not provide much stability for such a stacker belt. Especially in the case where both sides of the conveyor belt are supported by the belt itself the thin plates do not contribute much to the stability of the complete stacker belt. Furthermore, it is also difficult to align the conveyor belt upon entry into the stacker belt such that the thin support plates support the conveyor belt at the exact correct location.
  • a plastic belt element which does not have the above mentioned disadvantages .
  • This object is achieved by a plastic belt element according to the invention, said plastic belt element having a central axis and comprising: - a plurality of protrusions extending on either side of the central axis, wherein each protrusion has at least an opening in line with openings of adjacent protrusions extending on the same side of the central axis and wherein at least the openings of protrusions on one side of the central axis are slot shaped; and - support means substantially perpendicular arranged on at least one of the protrusions.
  • the weight of the conveyor belt decreases and when used in a stacker belt configuration the stability is improved due to the lower mass of the complete conveyor belt.
  • the support means comprise elongate elements, such as pillars.
  • the support means comprise a plate element substantially perpendicular arranged on at least one of the protrusions. Such a plate element could be provided with an opening for reduction of the material to further decrease the weight of the conveyor belt.
  • the support means comprise a support plateau for supporting upper belt elements in a stacker belt configuration.
  • each protrusion has at least one slot shaped opening in line with slot shaped openings of adjacent protrusions extending on the same side of the central axis .
  • the rod extending through it can be shifted in the length of the slot, such that the rod can be moved away in order to inspect whether the belt element is clean.
  • the feature that the rod can be loosely arranged in the belt element has the further advantage, that cleaning is facilitated.
  • the washing device can more easily reach the space in the slot shaped openings.
  • dirt getting into the slot openings will be scraped out of the openings by the loosely arranged rods.
  • the protrusions are alternatingly arranged on either side of the central axis.
  • the protrusions on one side of the central axis are spaced apart to enable intermeshing with the protrusions on the other side of an adjacent plastic belt element.
  • the adjacent belt elements can shift into each other making curves in the plane of the conveyor belt possible.
  • the rods are loosely arranged in the belt elements, a stacker belt can be easily inspected, without having to disassemble the complete stacker belt. Simply by moving the rods within the slot shaped openings, one can inspect whether the belt is clean.
  • the invention further relates to a conveyor belt comprising a plurality of plastic belt elements according to the invention, wherein the plastic belt elements are arranged intermeshing, and comprising a number of rods, extending through the aligned slot shaped openings of a plastic belt element and through the aligned openings of an adjacent plastic belt element in order to connect two adjacent belt elements.
  • the rods are movable in a direction substantially perpendicular to the central axis of the belt elements .
  • the plastic belt elements are, in longitudinal direction of the belt, alternatingly provided with the support means and without the support means.
  • FIG. 1 shows a perspective view of a first embodiment of a plastic belt element according to the invention.
  • Figure 2 shows a conveyor belt composed out of plastic belt elements according to figure 1.
  • Figure 3 shows a side view of a second embodiment of a plastic belt element according to the invention stacked on top of each other.
  • Figure 4 shows a top view of a conveyor belt composed out of belt elements according to figure 3.
  • Figure 5 shows in perspective view a third embodiment of a plastic belt element according to the invention.
  • Figure 6 shows in perspective view a conveyor belt according to the invention composed out of belt elements according to figure 5.
  • Figure 7 shows a fourth embodiment of a plastic belt element according to the invention.
  • Figure 8 shows a conveyor belt composed out of elements according to figure 7.
  • Figure 9 shows a fifth embodiment of a plastic belt element according to the invention.
  • Figure 1 shows a plastic belt element 1 having a central axis 2.
  • Protrusions 3, 4 are arranged on both sides of this central axis 2.
  • An end link element 5 is furthermore arranged in the belt element 1. This end link element 5 is used for driving the belt element.
  • Each protrusions 3, 4 has a slot shaped opening 6.
  • FIG 2 a conveyor belt 7 is shown, composed out of plastic belt elements 1.
  • the plastic belt elements 1 are connected by rods 8. These rods extend through the slot shaped openings 6.
  • the protrusions 3 on one side of the central axis 2 are spaced apart, leaving room between the protrusions.
  • the protrusions 4 on the other side of an adjacent plastic belt element 1 are also spaced apart. This enables an intermeshing relation between two adjacent belt elements 1.
  • Figure 3 shows a second embodiment of a plastic belt element 10 according to the invention. These plastic belt elements are stacked on top of each other.
  • FIG. 4 shows a top view of the belt elements 10. In this view the belt elements form a curved conveyor belt. It can clearly be seen that due to the slot shaped openings 6, the rods 8 can move freely, such that the conveyor belt can be inspected easily.
  • Figure 5 shows a third embodiment of a plastic belt element 15 according to the invention. This plastic belt element 15 has again first protrusions 16 and second protrusions 17 arranged on either side of an central axis. Its protrusion 16, 17 is provided with a slot shaped opening 18. Perpendicular to the protrusions 17 a first plate element 19 is arranged, which is provided with openings 20 in order to reduce weight .
  • a second plate element 21 is arranged perpendicular to the protrusion 16.
  • a sport element 22 is provided on top of the first plate element 19 and the second plate element 21 .
  • This support element 22 is also provided with an opening 23 in order to reduce material usage.
  • This support element 22 provides a basis for other parts of a conveyor belt such that a stacker belt can be formed.
  • Figure 6 shows a part of a conveyor belt according to the invention having belt elements 15 and belt elements 1.
  • the belt elements 15, 1 are arranged alternatingly such that one out of two belt elements is a belt element 15 and the other belt element is an element 1. This reduces the costs for providing a conveyor belt having the ability to support parts of the conveyor belt for a stacker belt.
  • FIG 6 shows a fourth embodiment of a belt element 25 according to the invention.
  • This belt element 25 has a support element 26, which is arranged on top of two plate elements 27, 28. These plate elements 27, 28 are provided with elongate openings 29, 30 respectively, such as to leave four pillars.
  • a conveyor belt 31 composed out of belt elements 25 and conventional belt element 26 is shown.
  • Figure 9 shows part of a plastic belt element 32 according to the invention. This plastic belt element has on either side of the central axis 33 protrusions 34 en 35. All protrusions 34, 35 are provided with slot shaped openings 36, 37. On the protrusions 34, 35 two plate-like support elements
  • the plate-like elements 38 have openings leaving pillars. Also the support plateau 39 has an opening
  • the weight W of the plateau 39 is larger than the distance D between the two adjacent protrusions 34. This prevents a possible collapse of the stacker belt, which would be possible if the weight W of the plateau 39 is smaller than the distance between the protrusions 34.

Abstract

The invention relates to a plastic belt element (15) having a central axis and comprising: a plurality of protrusions (16, 17) extending on either side of the central axis, wherein each protrusion (16, 17) has at least an opening (18) in line with openings of adjacent protrusions extending on the same side of the central axis and wherein at least the openings (18) of protrusions on one side of the central axis are slot shaped; and support means (20- 22) substantially perpendicular arranged on at least one of the protrusions (16, 17).

Description

PLASTIC BELT ELEMENT AND CONVEYOR BELT COMPRISING SUCH ELEMENTS
The invention relates to a plastic belt element. Such elements are widely known. When such belt elements are used in, for example, the food industry, the belt elements must meet very specific requirements. One of these requirements is that the belt elements must meet FDA standards. This means that such a belt could be inspected at any time. The inspection is mainly focussed on the presence of dirt and bacteria, which is of course unwanted in the food industry. Plastic belt elements are known in the prior art. Such belt elements are connected to each other by rods. These rods extend through openings in the belt elements. These openings are adapted to the dimensions of the rod, thereby making it difficult to inspect whether any unwanted material is present in the holes, through which the rod extends. It is also known in the art to use conveyor belts in so-called stacker belt configurations. With a stacker belt the conveyor belt is spirally wound around a drum and at least one side of the conveyor belt supports itself, such that portions of the conveyor belt are supported by other portions of the same conveyor belt. Such conveyor belts are only known as being made of stainless steel . An extending support element is arranged on the metal conveyor belt such that this support element can support portions of the conveyor belt above. The support elements are generally embodied as thin plates, which do not provide much stability for such a stacker belt. Especially in the case where both sides of the conveyor belt are supported by the belt itself the thin plates do not contribute much to the stability of the complete stacker belt. Furthermore, it is also difficult to align the conveyor belt upon entry into the stacker belt such that the thin support plates support the conveyor belt at the exact correct location. It is an object of the invention to provide a plastic belt element, which does not have the above mentioned disadvantages . This object is achieved by a plastic belt element according to the invention, said plastic belt element having a central axis and comprising: - a plurality of protrusions extending on either side of the central axis, wherein each protrusion has at least an opening in line with openings of adjacent protrusions extending on the same side of the central axis and wherein at least the openings of protrusions on one side of the central axis are slot shaped; and - support means substantially perpendicular arranged on at least one of the protrusions. By using plastic belt elements the weight of the conveyor belt decreases and when used in a stacker belt configuration the stability is improved due to the lower mass of the complete conveyor belt. In an embodiment of the plastic belt elements according to the invention the support means comprise elongate elements, such as pillars. In another embodiment the support means comprise a plate element substantially perpendicular arranged on at least one of the protrusions. Such a plate element could be provided with an opening for reduction of the material to further decrease the weight of the conveyor belt. In a very preferred embodiment of the plastic belt element according to the invention the support means comprise a support plateau for supporting upper belt elements in a stacker belt configuration. By providing the plateau it is no longer necessary to exactly position the conveyor belt upon entry into the stacker belt configuration, while the plateau provides a support surface in which exact positioning of two conveyor belt parts with respect to eachother is no longer necessary. By providing a plateau the stability of the stacker belt configuration is furthermore improved in relation to the known plate-like support elements. In another preferred embodiment the protrusions and support means are monolithical . This provides for a very rigid belt element having a high stability. In yet another embodiment the support means are arranged on an extremity of the plastic belt element. In a further preferred embodiment of the plastic belt element according to the invention each protrusion has at least one slot shaped opening in line with slot shaped openings of adjacent protrusions extending on the same side of the central axis . As the plastic belt element according to the invention has slot shaped openings, the rod extending through it can be shifted in the length of the slot, such that the rod can be moved away in order to inspect whether the belt element is clean. The feature that the rod can be loosely arranged in the belt element has the further advantage, that cleaning is facilitated. The washing device can more easily reach the space in the slot shaped openings. Also due to the loose arrangement of the rods in the slot openings, dirt getting into the slot openings will be scraped out of the openings by the loosely arranged rods. In a preferred embodiment of the plastic belt element according to the invention, the protrusions are alternatingly arranged on either side of the central axis. In another embodiment according to the invention the protrusions on one side of the central axis are spaced apart to enable intermeshing with the protrusions on the other side of an adjacent plastic belt element. When these belt elements are combined to form a conveyor belt, the adjacent belt elements can shift into each other making curves in the plane of the conveyor belt possible. As the rods are loosely arranged in the belt elements, a stacker belt can be easily inspected, without having to disassemble the complete stacker belt. Simply by moving the rods within the slot shaped openings, one can inspect whether the belt is clean. The invention further relates to a conveyor belt comprising a plurality of plastic belt elements according to the invention, wherein the plastic belt elements are arranged intermeshing, and comprising a number of rods, extending through the aligned slot shaped openings of a plastic belt element and through the aligned openings of an adjacent plastic belt element in order to connect two adjacent belt elements. In a preferred embodiment, the rods are movable in a direction substantially perpendicular to the central axis of the belt elements . In another preferred embodiment of the conveyor belt according to the invention, the plastic belt elements are, in longitudinal direction of the belt, alternatingly provided with the support means and without the support means. In this way costs can be reduced as not every link comprises a belt element with a support element, but only one out of two links comprises such a support element. This enables one to reduce the manufacturing costs for a conveyor belt according to the invention. These and other features and advantages of the invention will be elucidated in conjunction with the accompanying drawings . Figure 1 shows a perspective view of a first embodiment of a plastic belt element according to the invention. Figure 2 shows a conveyor belt composed out of plastic belt elements according to figure 1. Figure 3 shows a side view of a second embodiment of a plastic belt element according to the invention stacked on top of each other. Figure 4 shows a top view of a conveyor belt composed out of belt elements according to figure 3. Figure 5 shows in perspective view a third embodiment of a plastic belt element according to the invention. Figure 6 shows in perspective view a conveyor belt according to the invention composed out of belt elements according to figure 5. Figure 7 shows a fourth embodiment of a plastic belt element according to the invention. Figure 8 shows a conveyor belt composed out of elements according to figure 7. Figure 9 shows a fifth embodiment of a plastic belt element according to the invention. Figure 1 shows a plastic belt element 1 having a central axis 2. Protrusions 3, 4 are arranged on both sides of this central axis 2. An end link element 5 is furthermore arranged in the belt element 1. This end link element 5 is used for driving the belt element. Each protrusions 3, 4 has a slot shaped opening 6.
The slot shaped openings 6 arranged in the protrusions 3 are aligned and the openings 6 of the protrusions 4 are aligned. In figure 2 a conveyor belt 7 is shown, composed out of plastic belt elements 1. The plastic belt elements 1 are connected by rods 8. These rods extend through the slot shaped openings 6. The protrusions 3 on one side of the central axis 2 are spaced apart, leaving room between the protrusions. The protrusions 4 on the other side of an adjacent plastic belt element 1 are also spaced apart. This enables an intermeshing relation between two adjacent belt elements 1. Figure 3 shows a second embodiment of a plastic belt element 10 according to the invention. These plastic belt elements are stacked on top of each other. The elements 10 are supported by a plate element 11 of the belt element 10 below. Figure 4 shows a top view of the belt elements 10. In this view the belt elements form a curved conveyor belt. It can clearly be seen that due to the slot shaped openings 6, the rods 8 can move freely, such that the conveyor belt can be inspected easily. Figure 5 shows a third embodiment of a plastic belt element 15 according to the invention. This plastic belt element 15 has again first protrusions 16 and second protrusions 17 arranged on either side of an central axis. Its protrusion 16, 17 is provided with a slot shaped opening 18. Perpendicular to the protrusions 17 a first plate element 19 is arranged, which is provided with openings 20 in order to reduce weight . A second plate element 21 is arranged perpendicular to the protrusion 16. On top of the first plate element 19 and the second plate element 21 a sport element 22 is provided. This support element 22 is also provided with an opening 23 in order to reduce material usage. This support element 22 provides a basis for other parts of a conveyor belt such that a stacker belt can be formed. Figure 6 shows a part of a conveyor belt according to the invention having belt elements 15 and belt elements 1. The belt elements 15, 1 are arranged alternatingly such that one out of two belt elements is a belt element 15 and the other belt element is an element 1. This reduces the costs for providing a conveyor belt having the ability to support parts of the conveyor belt for a stacker belt. As shown in figure 6 the support elements 22 are large enough to support a similar conveyor belt structure and avoiding that individual links are not supported. Figure 7 shows a fourth embodiment of a belt element 25 according to the invention. This belt element 25 has a support element 26, which is arranged on top of two plate elements 27, 28. These plate elements 27, 28 are provided with elongate openings 29, 30 respectively, such as to leave four pillars. In figure 8 a conveyor belt 31 composed out of belt elements 25 and conventional belt element 26 is shown. Figure 9 shows part of a plastic belt element 32 according to the invention. This plastic belt element has on either side of the central axis 33 protrusions 34 en 35. All protrusions 34, 35 are provided with slot shaped openings 36, 37. On the protrusions 34, 35 two plate-like support elements
38 are vertically arranged on top of which a support plateau
39 is provided. The plate-like elements 38 have openings leaving pillars. Also the support plateau 39 has an opening
40 for reduction of used material and weight. The weight W of the plateau 39 is larger than the distance D between the two adjacent protrusions 34. This prevents a possible collapse of the stacker belt, which would be possible if the weight W of the plateau 39 is smaller than the distance between the protrusions 34.

Claims

1. Plastic belt element having a central axis and comprising: - a plurality of protrusions extending on either side of the central axis, wherein each protrusion has at least an opening in line with openings of adjacent protrusions extending on the same side of the central axis and wherein at least the openings of protrusions on one side of the central axis are slot shaped; and - support means substantially perpendicular arranged on at least one of the protrusions.
2. Plastic belt element according to claim 1, wherein the support means comprise elongate elements, such as pillars .
3. Plastic belt element according to claim 1 or 2 , wherein the support means comprise a plate element substantially perpendicular arranged on at least one of the protrusions .
4. Plastic belt element according to claim 3, wherein the plate element comprises an opening for reduction of material .
5. Plastic belt element according to any of the preceding claims, wherein the support means comprise a support plateau for supporting upper belt elements in a stacker belt configuration.
6. Plastic belt element according to claim 5, wherein the width of the support plateau is larger than the distance between the adjacent protrusions underneath the support plateau.
7. Plastic belt element according to any of the preceding claims, wherein the protrusions and support means are monolithical .
8. Plastic belt element according to any of the preceding claims, wherein the support means are arranged on an extremity of the plastic belt element.
9. Plastic belt element according to any of the preceding claims, wherein each protrusion has at least one slot shaped opening in line with slot shaped openings of adjacent protrusions extending on the same side of the central axis.
10. Plastic belt element according to any of the preceding claims, wherein the protrusions are alternatingly arranged on either side of the central axis.
11. Conveyor belt comprising a plurality of plastic belt elements according to any of the preceding claims, wherein the plastic belt elements are arranged intermeshing, and comprising a number of rods, extending through the aligned openings of an adjacent plastic belt element in order to connect two adjacent belt elements.
12. Conveyor belt according to claim 11, wherein the plastic belt elements are, in longitudinal direction of the belt, alternatingly provided with the support means and without support means .
PCT/EP2005/002115 2004-02-25 2005-02-25 Plastic belt element and conveyor belt comprising such WO2005080234A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP04075583.7 2004-02-25
EP04075583A EP1568626A1 (en) 2004-02-25 2004-02-25 Plastic belt element and conveyor belt comprising such elements
EPPCT/EP04/012088 2004-10-21
PCT/EP2004/012088 WO2005080233A1 (en) 2004-02-25 2004-10-21 Plastic belt element and conveyor belt comprising such elements

Publications (1)

Publication Number Publication Date
WO2005080234A1 true WO2005080234A1 (en) 2005-09-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/002115 WO2005080234A1 (en) 2004-02-25 2005-02-25 Plastic belt element and conveyor belt comprising such

Country Status (1)

Country Link
WO (1) WO2005080234A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7967132B2 (en) 2004-05-13 2011-06-28 Rexnord Flattop Europe B.V. Module for a conveyor mat and modular conveyor mat
EP3257793A1 (en) * 2016-06-13 2017-12-20 Frans Bakker Beheer B.V. Conveyor belt

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938651A (en) * 1973-03-07 1976-02-17 Frigoscandia Contracting Ab Self-supporting spiral conveyor
EP0293095A1 (en) * 1987-05-09 1988-11-30 Frigoscandia Food Process Systems Aktiebolag Helical conveyor
EP0521506A2 (en) * 1991-07-03 1993-01-07 Queen R. Limited Modular plastic turn belt conveyor system, module, belt and drive therefor
US6237750B1 (en) * 1996-04-16 2001-05-29 Uni-Chains International Transport band for conveying along a spiral path
EP1277676A1 (en) * 2001-07-19 2003-01-22 Habasit AG Snap-on side guards
DE20310360U1 (en) * 2003-07-05 2003-09-11 Schueco Int Kg Flat top chain with guide device
US20040011627A1 (en) * 2002-07-18 2004-01-22 Palmaer Eric K. Stacked spiral modular plastic conveyor belt system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938651A (en) * 1973-03-07 1976-02-17 Frigoscandia Contracting Ab Self-supporting spiral conveyor
EP0293095A1 (en) * 1987-05-09 1988-11-30 Frigoscandia Food Process Systems Aktiebolag Helical conveyor
EP0521506A2 (en) * 1991-07-03 1993-01-07 Queen R. Limited Modular plastic turn belt conveyor system, module, belt and drive therefor
US6237750B1 (en) * 1996-04-16 2001-05-29 Uni-Chains International Transport band for conveying along a spiral path
EP1277676A1 (en) * 2001-07-19 2003-01-22 Habasit AG Snap-on side guards
US20040011627A1 (en) * 2002-07-18 2004-01-22 Palmaer Eric K. Stacked spiral modular plastic conveyor belt system
DE20310360U1 (en) * 2003-07-05 2003-09-11 Schueco Int Kg Flat top chain with guide device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7967132B2 (en) 2004-05-13 2011-06-28 Rexnord Flattop Europe B.V. Module for a conveyor mat and modular conveyor mat
US8371437B2 (en) 2004-05-13 2013-02-12 Rexnord Flattop Europe B.V. Module for a conveyor mat and modular conveyor mat
EP3257793A1 (en) * 2016-06-13 2017-12-20 Frans Bakker Beheer B.V. Conveyor belt
WO2017215846A1 (en) * 2016-06-13 2017-12-21 Frans Bakker Beheer B.V. Conveyor belt
US10723557B2 (en) 2016-06-13 2020-07-28 Frans Bakker Beheer B.V. Conveyor belt

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