EP0156653A2 - Polygonal stackable drum - Google Patents
Polygonal stackable drum Download PDFInfo
- Publication number
- EP0156653A2 EP0156653A2 EP85302229A EP85302229A EP0156653A2 EP 0156653 A2 EP0156653 A2 EP 0156653A2 EP 85302229 A EP85302229 A EP 85302229A EP 85302229 A EP85302229 A EP 85302229A EP 0156653 A2 EP0156653 A2 EP 0156653A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- polygonal
- foot
- side wall
- shoe
- 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.)
- Withdrawn
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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- 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
- B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D19/02—Rigid pallets with side walls, e.g. box pallets
- B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
- B65D19/08—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components made wholly or mainly of metal
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- 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
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00014—Materials for the load supporting surface
- B65D2519/00024—Metal
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00049—Materials for the base surface
- B65D2519/00059—Metal
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00154—Materials for the side walls
- B65D2519/00164—Metal
-
- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00009—Materials
- B65D2519/00189—Materials for the lid or cover
- B65D2519/00199—Metal
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00313—Overall construction of the base surface
- B65D2519/00328—Overall construction of the base surface shape of the contact surface of the base
- B65D2519/00338—Overall construction of the base surface shape of the contact surface of the base contact surface having a discrete foot-like shape
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00398—Overall construction reinforcements
- B65D2519/00402—Integral, e.g. ribs
- B65D2519/00422—Integral, e.g. ribs on the walls
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00258—Overall construction
- B65D2519/00492—Overall construction of the side walls
- B65D2519/00497—Overall construction of the side walls whereby at least one side wall is made of one piece
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00636—Connections structures connecting side walls to the pallet
- B65D2519/00666—Structures not intended to be disassembled
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00547—Connections
- B65D2519/00706—Connections structures connecting the lid or cover to the side walls or corner posts
- B65D2519/00716—Connections structures connecting the lid or cover to the side walls or corner posts non-removable lid or covers
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- 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
- B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
- B65D2519/00004—Details relating to pallets
- B65D2519/00736—Details
- B65D2519/00935—Details with special means for nesting or stacking
- B65D2519/00955—Details with special means for nesting or stacking stackable
- B65D2519/00965—Details with special means for nesting or stacking stackable when loaded
- B65D2519/00975—Details with special means for nesting or stacking stackable when loaded through the side walls
Definitions
- the present invention relates to improvements to polygonal stackable drums.
- Spanish Utility Model No. 241877 discloses a stackable, square drum whose base had holes to allow the passage of the prongs of fork-lifts provided with beveled ends, in the jambs, and with- a lintel in an inclined plane for displacing the centre of gravity towards the geometric centre of the load assembly, which enabled .
- the usual load platforms or four elements pallets to be dispensed with, and assisted the prongs of the fork-lift to enter and leave the holes, avoiding the possibility of their unexpectedly getting snagged or dragged..
- Drums as described in, and contempory with, the abovementioned prior art had an upper lid in which the perimetral bourdon, or rim, remained under the supporting member of a second drum placed on top of a first, whereby the weight load was applied in part directly to the lid and created the risk of denting the lid. Furthermore the actual shape of the lid was such that in certain cases fitting drums into a stack was difficult.
- a polygonal, stackable drum comprising;
- the or each shoe may be fixedly attached to the foot, on or after forming of the foot, by for example, spot welding, braising (if the drum is made of metal), ultrasonic welding (if the drum is made of a fusible plastics material) or by means of a screwed interconnection.
- At least one part of the side wall surface is formed with a plurality of reinforcements to improve its mechanical strength.
- the drum is a substantially square prism.
- a drum according to the present invention in any of its aspects may, for example, be hexagonal or triangular in horizontal section.
- the foot per se which is provided with the shoe is shorter than another foot which is not provided with a shoe so that the second foot is as long as the combination of the first foot with its shoe, thereby enabling the drum to stand level on a.flat surface.
- each foot is provided with a shoe.
- the outwardly projecting step of each foot may either be provided on the respective foot itself or may be provided on a respective shoe. Where the shoe is provided with the projecting step, the step may either be pressed or rolled into the shoe. If the shoe is provided with a rolled projecting step it is possible that one limb of a carrying handle, or a length or carrying cable may be passed through the central void of the rolling, thereby enabling tne drum to be more easily handled.
- the shoe may provide an attachment for a slinging hook or the like.
- the sole of at least one foot provided with a shoe is further provided with an inward pressing and the respective shoe is either;
- the shoe may be varied in profile or curvature in all planes relative to the foot and attached in such a way as to form an energy absorbing member, both to give added mechanical protection to the drum in handling and to overcome the effects of enviromental shock or vibrations during storage and transportation.
- a polygonal, stackable drum comprising;
- the at least one carrying handle formed as a pressing.in at least one side wall, is formed at or near the upper edge of the side wall. It is however envisaged that the said carrying handle may be disposed otherwise upon the side wall surface at any convenient location.
- a polygonal, stackable drum comprising;
- the rolled edge of the substantially central aperture is attached to the opening of a bag for lining the drum, whereby interaction of the contents of the drum and the drum wall is prevented.
- a polygonal, stackable drum comprising;
- the aperture may provide the funtion of a drain-hole to drain water from the channel without weakening the structure of the drum.
- the apertures are adapted to receive a carrying handle for enabling ease of transport of the drum.
- a polygonal, stackable drum comprising;
- the drain plug may be located either on the sole of the respective foot or -on the side of the respective foot.
- the drain plug may also be employed in combination with any one or more of the further features of the invention disclosed herein.
- a polygonal; stackable drum comprising;
- a polygonal, stackable drum comprising;
- the sustantially vertical ribs acting as struts are formed in pairs disposed adjacent some or all of the vertical edges of the drum, wherein one rib of each pair is disposed on each side of each said vertical edge.
- a polygonal, stackable drum comprising;
- the drum may be manufactured in metal or from a plastics material.
- means for attaching carrying means may be formed in either the top or base portion of the drum.
- a square, stackable drum 1 comprising; a square top 2 having an upraised perimetral rim 3 formed with a channel 30 immediately inward from the rim.
- the perimetral rim 3 is formed as an upward extension of the side wall surface 6.
- a square base portion 31 is provided at the bottom of the drum and forms both the floor 8 of the drum and each foot 9 to be received within the channel 30 of an identical drum when a plurality of such drums are stacked vertically on top of each other.
- the foot 9 is provided with an outwardly projecting step 10 to rest upon the perimetral rim 3 of an identical drum.
- the a side wall surface 6 is seamed to the the top 2 and the base portion 31 at locations 5 and 7 respectively, the nature of one possible variant on these seams being shown in figures 2 and 3 respectively.
- the side wall surface 6 has pressings 11 and 12 which act to strenghten the side wall surface and prevent collapse of an empty drum when a full drum is stacked above it.
- the pressing 11 is a window-like pressing while the pressing 12 comprises a substantially vertical rib which is provided in the side wall surface 6 to act as a strut.
- An orifice 4 for a closure member is provided in the top 2.
- FIG 4 there is shown a view of one foot of a drum according to the present invention seen from inside the drum.
- the pressed or rolled step 10 is seen from the inside together with the seam 7 between the side wall surface 6 and the base portion 31.
- the space within the foot 9 may be filled with a resin . or other sealing compound to the level of the floor 8, to prevent residues accumulating when the drum is emptied.
- the pressings 12 acting as struts may be formed in pairs disposed adjacent at least some of the vertical edges of the drum, with one rib of each pair disposed on each side of the respective vertical edge.
- Figures 6 and 7 show respectively, a view similar to that of figure 4, but with a draining hole 13 provided in the wall of the foot 9 and a section through one foot of a drum according to the present invention with details of a shoe 14 having a drain hole 17 in the sole thereof.
- the shoe 14 substantially follows the contour of the foot 9.
- the drain hole 17, pierces both the shoe 14 and the foot 15, and is sealed by a drain plug 16.
- the sealing of the feet as described above is of particular utillity.
- the sloping surface 15, which forms the inward facing surface of the drum slopes between the sole 32 of the foot and the floor 8 of the drum, as does the sloping surface of the shoe 14.
- This sloping surface 14 is particularly useful when the drum is being lifted by a fork lift, when the forks are centred from any off-centre position as they impinge.upon this surface.
- Figure 8 shows a detail of the upper rim 3 of a drum provided with an aperture 18 in the rim.
- the aperture is provided with an inner lining sleeve 19 extending through the aperture and flanged so as to retain the sleeve within the-said aperture.
- This aperture may act as a fixing point for a handle or a slinging hook.
- An additional feature shown in figure 8 is the inward pressing 60 of the side wall surface 6, which in this instance bears upon the undersurface of the top 2 along line 61.
- Figure 9 shows a detail of the lower seam 7, i.e. the seam at the lower edge of the side wall 6.
- a handle 20 is pressed into the side wall 6 above the seam.
- a simitar handle may be provided as an inward pressing of the side wall below the upper seam 5.
- Figure 10 shows a section through a drum according to the present invention taken along a diagonal, with added ribs 21 provided to further strengthen the side wall surfaces 6.
- the added ribs are shown in a 'St. Andrew's Cross' formation but other formations such as diagonal vertical or horizontal corrugations may be employed.
- the 'St. Andrew's Cross' formation may extend over at least one entire face of a polyhedral drum, in a manner with which the 'Jerry Can' may be considered analogous.
- Figure 10 also shows a drop-down handle 34 attached to the side wall surface by mountings fixedly attached to the surface.
- Figure 11 shows a section through one foot 9 of a drum according to the present invention with a variant of the shoe 22 attached by spot welding at points 23. It should be noted that this shoe does not follow the contour of the foot over its entire outer surface and thus forms an energy absorbing member, both to give added mechanical protection to the drum in handling and to overcome the effects of evviromental shock or vibrations during storage and transportation.
- FIG 12 shows the upper part of a drum according to the present invention, provided with a lid 25, in the top 2.
- the lid 25 may be located centrally or offset.
- a dependent flange 24 forms a fixing point for a bag 27, which is held in place by a ring 28 provided with an over-centre clasp means 29.
- the lid may be secured in place by a sealing ring 26 which may have deformable lugs to hold the lid in place, in the event of a shock.
- Figure 13 shows a modified shoe 40 attached to a foot 49 which has a rolled step 41.
- a further optional feature is shown in the figure, wherein a D-ring 48 is passed through the central void 42 of the rolling, thereby enabling the drum to be more easily handled.
- Figure 14 shows a modified shoe 43 attached to a foot 50, provided with a corresponding aperture 44 to an inward pressing of the foot 48, whereby a slinging hook or the like (not shown) may enter the inward pressing of the foot and thereby enable the drum to be lifted.
- Figure 15 shows a modified foot 45, provided with a corresponding inward pressing 46 which substantially follows the contour of the. inward pressing 47 of the shoe 51, whereby a slinging hook or the like (not shown) may enter the inward pressing of the shoe and thereby enable the drum to be lifted.
- the aperture adapted to receive the slinging hook or the like may be threaded, or otherwise provided with means to lock a carrying means in place.
- the floor 8 of the drum is provided with at least one inward pressing (of which only one 57 is shown) which acts as a purchase for carrying and/or handling of the drum.
- Figure'16 shows in profile a further variant on the present invention, wherein the foot 54 is adapted to fit within a shoe 53 provided with a pressed step 55.
- a cable or wire 56 is'passed through a void between the foot 54 and the shoe 53, thereby enabling the drum to be more easily handled.
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Abstract
- a) a polygonal top (2) having an upraised perimetral rim, (3) formed with a channel (30) immediately inward from the rim (3), with or without a removable lid,
- b) a polygonal base portion (31) at the bottom of the drum (1) with or without drain holes, having a plurality of feet (9) to be received within the channel (30) of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein;
- i) each foot (9) is provided with an outwardly projecting step (10) to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum, and,
- ii) at least one foot (9) may be provided with a shoe, the or each shoe being fixedly attached to the foot, on or after forming of the foot, hook or sling receiving means may be provided on the foot or the shoe, and,
- c) a side wall surface (6) with or without substantially vertical strengthening ribs, the perimetral rim (3) extending upwardly from the side wall surface;
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
Description
- The present invention relates to improvements to polygonal stackable drums.
- Spanish Utility Model No. 241877 discloses a stackable, square drum whose base had holes to allow the passage of the prongs of fork-lifts provided with beveled ends, in the jambs, and with- a lintel in an inclined plane for displacing the centre of gravity towards the geometric centre of the load assembly, which enabled . the usual load platforms or four elements pallets, to be dispensed with, and assisted the prongs of the fork-lift to enter and leave the holes, avoiding the possibility of their unexpectedly getting snagged or dragged..
- Drums as described in, and contempory with, the abovementioned prior art had an upper lid in which the perimetral bourdon, or rim, remained under the supporting member of a second drum placed on top of a first, whereby the weight load was applied in part directly to the lid and created the risk of denting the lid. Furthermore the actual shape of the lid was such that in certain cases fitting drums into a stack was difficult.
- United States Patent Application Serial Number 134874 filed March 28, 1980 and it's continuation-in-part filed 12 July 1982, disclose a drum wherein the perimetral bourdon is raised and a channel for drainage is formed parallel to the perimeter and immeadiatly interior to the raised bourdon. Furthermore, the support points of the lower base of each drum were provided with a step so disposed that the weight of each drum passed directly through the vertical faces of the drum stacked below it.
- It has now been determined that further improvements may be made to drums whereby the operational lifetime may be lengthened and the resistance of the drum to damage while in use may be increased. Furthermore, additional improvements have been made which further add to the utility of the drum..
- According to a first aspect of the present invention there is provided a polygonal, stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim,
- b) a polygonal base portion at the bottom of the drum, having a plurality of feet to be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein;
- i) each foot is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum, and,
- ii) at least one foot is. provided with a shoe, the or each shoe being fixedly attached to the foot, on or after forming of the foot, and,
- c) a side wall surface, the perimetral rim extending upwardly from the side wall surface;
- The or each shoe may be fixedly attached to the foot, on or after forming of the foot, by for example, spot welding, braising (if the drum is made of metal), ultrasonic welding (if the drum is made of a fusible plastics material) or by means of a screwed interconnection.
- Conveniently, at least one part of the side wall surface is formed with a plurality of reinforcements to improve its mechanical strength.
- Preferably, the drum is a substantially square prism.
- By employing a square drum it is possible to obtain a drum with particular utility and ease of handling, however, it should be understood that a drum according to the present invention in any of its aspects may, for example, be hexagonal or triangular in horizontal section.
- In a first series of embodiments the foot per se which is provided with the shoe is shorter than another foot which is not provided with a shoe so that the second foot is as long as the combination of the first foot with its shoe, thereby enabling the drum to stand level on a.flat surface.
- In a second series of embodiments, each foot is provided with a shoe.
- In either of these two series of embodiments, the outwardly projecting step of each foot may either be provided on the respective foot itself or may be provided on a respective shoe. Where the shoe is provided with the projecting step, the step may either be pressed or rolled into the shoe. If the shoe is provided with a rolled projecting step it is possible that one limb of a carrying handle, or a length or carrying cable may be passed through the central void of the rolling, thereby enabling tne drum to be more easily handled.
- Furthermore, the shoe may provide an attachment for a slinging hook or the like. For example in one embodiment of the invention, the sole of at least one foot provided with a shoe is further provided with an inward pressing and the respective shoe is either;
- provided with a corresponding aperture, whereby a slinging hook or the like may enter the inward pressing of the foot and thereby enable the drum to be lifted, or,
- provided with a corresponding inward pressing which substantially follows the contour of the inward pressing of the' shoe, whereby a slinging hook or the like may enter the inward pressing of the shoe and thereby enable the drum to be lifted,
- It can be seen from the above that the shoe may be varied in profile or curvature in all planes relative to the foot and attached in such a way as to form an energy absorbing member, both to give added mechanical protection to the drum in handling and to overcome the effects of enviromental shock or vibrations during storage and transportation.
- According to a second aspect of the present invention there is provided a polygonal, stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim,
- b) a polygonal base portion at the bottom of the drum, having a plurality of feet to be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein each foot - is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum.- .
- c) a side wall surface, wherein;
- i)the perimetral rim is formed as an upward extension of the side wall surface,
- ii)the side wall surface is provided with a number of pressed ribs to improve its mechanical strength, and,
- iii) the side wall surface is provided with at least one carrying handle formed as a pressing in the side wall,
- Preferably the at least one carrying handle formed as a pressing.in at least one side wall, is formed at or near the upper edge of the side wall. It is however envisaged that the said carrying handle may be disposed otherwise upon the side wall surface at any convenient location.
- According to a third aspect of the present invention there is provided a polygonal, stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim, a substantially central aperture having a rolled edge, and a snug fitting lid with a dependent flange to close the said aperture
- b) a polygonal base portion at the bottom of the drum, having a plurality of feet to be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of. each other, wherein each foot is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum.
- c) a side wall surface, wherein the perimetral rim is formed as an upward extension of the side wall surface,
- Conveniently, the rolled edge of the substantially central aperture is attached to the opening of a bag for lining the drum, whereby interaction of the contents of the drum and the drum wall is prevented.
- According to a fourth aspect of the present invention there is provided a polygonal, stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim, and having one or more apertures provided in the perimetral rim, wherein each aperture is provided with an inner lining sleeve extending through the aperture and flanged so as to retain the sleeve within the said aperture,
- b) a polygonal base portion at the bottom of the drum, having a plurality of feet to be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein each foot is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum.
- c) a side wall surface, wherein the perimetral rim is formed as an upward extension of the side wall surface,
- By providing a series of apertures lined with sleeves in the manner described above it is possible that a plurality of laterally disposed drums may be secured together, or a single drum may be secured to a frame or support member by the use of a screw fixing, a drop-pin or the like. Furthermore the aperture may provide the funtion of a drain-hole to drain water from the channel without weakening the structure of the drum.
- Preferably, the apertures are adapted to receive a carrying handle for enabling ease of transport of the drum.
- According to a fifth aspect of the present invention there is provided a polygonal, stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim,
- b) a polygonal base portion at the bottom of the drum, having a plurality of .feet to be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein;
- i) each foot is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum, and,
- ii) at least one foot is provided with a drain plug for filling or emptying the drum and reinforced by the addition of a shoe to the same foot, and,
- c) a side wall surface, wherein the perimetral rim is formed as an upward extension of the side wall surface,
- The drain plug may be located either on the sole of the respective foot or -on the side of the respective foot. The drain plug may also be employed in combination with any one or more of the further features of the invention disclosed herein.
- According to a sixth aspect of the present invention there is provided a polygonal; stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim,
- b) a polygonal base portion at the bottom of the drum, having a plurality of feet to be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein each foot is provided with an outwardly projecting-step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum.
- c) a side wall surface, wherein;
- i) the perimetral rim is formed as an upward extension of the side wall surface, and,
- ii) at least one portion of the side wall surface is provided with a number of pressed ribs to improve its mechanical strength, whereby the pressed ribs of adjacent drums disposed laterally of each other interlock thereby adding to the mechanical cohesion of a stack of said adjacent drums, and,
- According to a seventh aspect of the present invention there is provided a polygonal, stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim,
- b) a polygonal base portion at the bottom of the drum, having a plurality of feet to be received. within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein each foot is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum.
- c) a side wall surface, wherein;
- i) the perimetral rim is formed as an upward extension of the side wall surface, and,
- ii) at least one substantially vertical rib is provided in the side wall surface to act as a strut and thereby to improve its mechanical strength,
- Preferably the sustantially vertical ribs acting as struts are formed in pairs disposed adjacent some or all of the vertical edges of the drum, wherein one rib of each pair is disposed on each side of each said vertical edge.
- According to an eighth 'aspect of the present invention there is provided a polygonal, stackable drum-comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from the rim,
- b) a polygonal base portion at the bottom of the drum, having a plurality of feet to be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein each foot is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum, and, each foot is formed together with the respective projecting step in a single pressing operation,
- c) a side wall surface, wherein the perimetral rim is formed as an upward extension of the side wall surface,
- According to a ninth aspect of the present invention there is provided a polygonal, stackable drum comprising;
- a) a polygonal top having an upraised perimetral rim, formed with a channel immediately inward from ttie rim,
- b) a polygonal base portion at the bottom of the drum and forming the floor of the drum, having a plurality of feet to. be received within the channel of an identical drum when a plurality of drums are stacked vertically on top of each other, wherein each foot is provided with an outwardly projecting step to rest upon the perimetral rim of said identical drum and to transmit the weight of the first drum to the perimetral rim of said identical drum, and, each foot is formed with an inwardly facing sloping surface between the sole of the foot and the floor of the base portion.
- c) a side wall surface, wherein the perimetral rim is formed as an upward extension of the side wall surface,
- In any of the aspects of the invention described above the drum may be manufactured in metal or from a plastics material.
- Furthermore, in any of the aspects of the invention described above, means for attaching carrying means may be formed in either the top or base portion of the drum.
- The invention will be further described by way of example, with reference to the accompanying figures wherein; .
- Figure 1, shows a section through a drum according to the present invention taken along a diagonal,
- Figure 2, shows an enlarged view of the seam between thew top of the drum and the side wall surface,
- Figure 3, shows an enlarged view of the seam between thew base portion of the drum and the side wall surface,
- Figure 4, shows a view of one foot of a drum according to the present invention seen from inside the drum,
- Figure 5, shows a section through one foot of a drum according to the present invention,
- Figure 6, shows a view similar to that of figure 4, but with a draining hole provided,
- Figure 7, shows a section through one foot of a drum according to the present invention and details of a shoe having a drain hole in the sole thereof,
- Figure 8, shows a detail of the upper rim of a drum provided with an aperture in the rim,
- Figure 9, shows a detail of the lower rim of a drum provided with a carrying handle above the rim,
- Figure 10, shows a section through a drum according to. the present invention taken along a diagonal, with added ribs provided to further strengthen the side wall surfaces,
- Figure 11, shows a section through one foot of a drum according to the present invention with a variant of the shoe attached by spot welding,
- Figure 12, shows the upper part of a drum according to the present invention, provided with a lid,
- Figure 13 shows a modified shoe,
- Figure 14 shows a modified shoe,
- Figure 15 shows a modified foot, and,
- Figure 16 shows in profile a further variant on the present invention.
- In figures 1,2 and 3, there is shown a square, stackable drum 1 comprising; a square top 2 having an
upraised perimetral rim 3 formed with achannel 30 immediately inward from the rim. Theperimetral rim 3 is formed as an upward extension of theside wall surface 6. Asquare base portion 31 is provided at the bottom of the drum and forms both thefloor 8 of the drum and eachfoot 9 to be received within thechannel 30 of an identical drum when a plurality of such drums are stacked vertically on top of each other. - The
foot 9 is provided with an outwardly projectingstep 10 to rest upon theperimetral rim 3 of an identical drum. - The a
side wall surface 6 is seamed to the the top 2 and thebase portion 31 atlocations side wall surface 6 haspressings side wall surface 6 to act as a strut. - An orifice 4 for a closure member is provided in the top 2.
- Turning now to figure 4, there is shown a view of one foot of a drum according to the present invention seen from inside the drum. The pressed or rolled
step 10 is seen from the inside together with theseam 7 between theside wall surface 6 and thebase portion 31. In use the space within thefoot 9 may be filled with a resin . or other sealing compound to the level of thefloor 8, to prevent residues accumulating when the drum is emptied. - The
pressings 12 acting as struts may be formed in pairs disposed adjacent at least some of the vertical edges of the drum, with one rib of each pair disposed on each side of the respective vertical edge. - Figures 6 and 7 show respectively, a view similar to that of figure 4, but with a draining
hole 13 provided in the wall of thefoot 9 and a section through one foot of a drum according to the present invention with details of ashoe 14 having adrain hole 17 in the sole thereof. - In figure 7, The
shoe 14 substantially follows the contour of thefoot 9. Thedrain hole 17, pierces both theshoe 14 and thefoot 15, and is sealed by adrain plug 16. In embodiments such as this, the sealing of the feet as described above is of particular utillity. - The sloping
surface 15, which forms the inward facing surface of the drum slopes between the sole 32 of the foot and thefloor 8 of the drum, as does the sloping surface of theshoe 14. This slopingsurface 14 is particularly useful when the drum is being lifted by a fork lift, when the forks are centred from any off-centre position as they impinge.upon this surface. - Figure 8 shows a detail of the
upper rim 3 of a drum provided with anaperture 18 in the rim. The aperture is provided with aninner lining sleeve 19 extending through the aperture and flanged so as to retain the sleeve within the-said aperture. This aperture may act as a fixing point for a handle or a slinging hook. By providing a series of apertures lined with sleeves in the manner described above it is possible that a plurality of laterally disposed drums may be secured together, or a single drum may be secured to a frame or support member by the use of a screw fixing, a drop-pin or the like. Furthermore the aperture may provide the funtion of a drain-hole to drain water from the channel without weakening the structure of the drum. - An additional feature shown in figure 8 is the inward pressing 60 of the
side wall surface 6, which in this instance bears upon the undersurface of the top 2 along line 61. By providing such an inward pressing it is possible to produce a structure by means of which a filled drum may be handled without deformation. - Figure 9 shows a detail of the
lower seam 7, i.e. the seam at the lower edge of theside wall 6. In this variant of the invention, a handle 20 is pressed into theside wall 6 above the seam.' As an alternative or in addition, a simitar handle may be provided as an inward pressing of the side wall below theupper seam 5. - Figure 10 shows a section through a drum according to the present invention taken along a diagonal, with added
ribs 21 provided to further strengthen the side wall surfaces 6. The added ribs are shown in a 'St. Andrew's Cross' formation but other formations such as diagonal vertical or horizontal corrugations may be employed. As a yet further alternative, the 'St. Andrew's Cross' formation may extend over at least one entire face of a polyhedral drum, in a manner with which the 'Jerry Can' may be considered analogous. - Figure 10 also shows a drop-
down handle 34 attached to the side wall surface by mountings fixedly attached to the surface. - Figure 11, shows a section through one
foot 9 of a drum according to the present invention with a variant of theshoe 22 attached by spot welding at points 23. It should be noted that this shoe does not follow the contour of the foot over its entire outer surface and thus forms an energy absorbing member, both to give added mechanical protection to the drum in handling and to overcome the effects of evviromental shock or vibrations during storage and transportation. - Figure 12, shows the upper part of a drum according to the present invention, provided with a
lid 25, in the top 2. Thelid 25 may be located centrally or offset. Adependent flange 24 forms a fixing point for abag 27, which is held in place by aring 28 provided with an over-centre clasp means 29. The lid may be secured in place by a sealingring 26 which may have deformable lugs to hold the lid in place, in the event of a shock. - Figure 13 shows a modified
shoe 40 attached to afoot 49 which has a rolledstep 41. A further optional feature is shown in the figure, wherein a D-ring 48 is passed through thecentral void 42 of the rolling, thereby enabling the drum to be more easily handled. - Figure 14 shows a modified
shoe 43 attached to afoot 50, provided with a correspondingaperture 44 to an inward pressing of thefoot 48, whereby a slinging hook or the like (not shown) may enter the inward pressing of the foot and thereby enable the drum to be lifted. - Figure 15 shows a modified
foot 45, provided with a corresponding inward pressing 46 which substantially follows the contour of the. inward pressing 47 of theshoe 51, whereby a slinging hook or the like (not shown) may enter the inward pressing of the shoe and thereby enable the drum to be lifted. In either of the two cases outlined above, as illustrated in figures 14 and 15, the aperture adapted to receive the slinging hook or the like may be threaded, or otherwise provided with means to lock a carrying means in place. Furthermore, thefloor 8 of the drum is provided with at least one inward pressing (of which only one 57 is shown) which acts as a purchase for carrying and/or handling of the drum. - Figure'16 shows in profile a further variant on the present invention, wherein the
foot 54 is adapted to fit within ashoe 53 provided with a pressedstep 55. A cable orwire 56 is'passed through a void between thefoot 54 and theshoe 53, thereby enabling the drum to be more easily handled.
wherein the side wall surface, the 'top and the base portion are disposed such that the weig.ht of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
in either of the two cases outlined above, the aperture adapted to receive the slinging hook or the like may be threaded, or otherwise provided with means to lock a carrying means in place, such as a twistlock receiving plate.
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of .the first drum directly into and through the side wall" surface and through the base portion to the perimetral rim of the said identical drum.
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above the first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
wherein the side wall surface, the top and the base portion are disposed such that the weight of another such drum stacked above they first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall surface and through the base portion to the perimetral rim of the said identical drum.
wherein the side wall surface, the top and the base port-ion are disposed such that the weight of another such drum stacked above the 'first drum is transmitted through the perimetral rim of the first drum directly into and through the side wall. surface and through the base portion to the perimetral rim of the said identical drum.
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08408088A GB2157255B (en) | 1984-03-29 | 1984-03-29 | Stackable drums |
GB8408088 | 1984-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0156653A2 true EP0156653A2 (en) | 1985-10-02 |
EP0156653A3 EP0156653A3 (en) | 1987-01-07 |
Family
ID=10558847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85302229A Withdrawn EP0156653A3 (en) | 1984-03-29 | 1985-03-29 | Polygonal stackable drum |
Country Status (20)
Country | Link |
---|---|
EP (1) | EP0156653A3 (en) |
JP (1) | JPS60228249A (en) |
KR (1) | KR850006724A (en) |
AR (1) | AR242010A1 (en) |
AU (1) | AU4045985A (en) |
BR (1) | BR8501532A (en) |
CA (1) | CA1230066A (en) |
DE (1) | DE3511641A1 (en) |
DK (1) | DK139885A (en) |
ES (1) | ES285703Y (en) |
FI (1) | FI851257L (en) |
GB (1) | GB2157255B (en) |
GR (1) | GR850784B (en) |
IE (1) | IE56373B1 (en) |
IL (1) | IL74749A0 (en) |
NO (1) | NO851268L (en) |
NZ (1) | NZ211605A (en) |
OA (1) | OA07974A (en) |
PT (1) | PT80185B (en) |
ZA (1) | ZA852275B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2352242A (en) * | 1999-07-22 | 2001-01-24 | Hugh Michael Keogh | Disposal of used tyres; stackable containers |
WO2009006864A1 (en) * | 2007-07-11 | 2009-01-15 | Gebhardt Transport- Und Lagersysteme Gmbh | Transporting system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3589548A (en) * | 1969-05-12 | 1971-06-29 | Lyle R Weiss | Knockdown container |
GB2068328A (en) * | 1980-02-04 | 1981-08-12 | Juan A | Stackable drums |
GB2115382A (en) * | 1982-01-27 | 1983-09-07 | Masternet Ltd | Moulded containers |
-
1984
- 1984-03-29 GB GB08408088A patent/GB2157255B/en not_active Expired
-
1985
- 1985-03-26 ZA ZA852275A patent/ZA852275B/en unknown
- 1985-03-26 CA CA000477494A patent/CA1230066A/en not_active Expired
- 1985-03-27 NZ NZ211605A patent/NZ211605A/en unknown
- 1985-03-27 AR AR85299890A patent/AR242010A1/en active
- 1985-03-28 JP JP60064957A patent/JPS60228249A/en active Pending
- 1985-03-28 ES ES1985285703U patent/ES285703Y/en not_active Expired
- 1985-03-28 AU AU40459/85A patent/AU4045985A/en not_active Abandoned
- 1985-03-28 PT PT80185A patent/PT80185B/en not_active IP Right Cessation
- 1985-03-28 KR KR1019850002062A patent/KR850006724A/en not_active IP Right Cessation
- 1985-03-28 FI FI851257A patent/FI851257L/en not_active Application Discontinuation
- 1985-03-28 GR GR850784A patent/GR850784B/el unknown
- 1985-03-28 NO NO851268A patent/NO851268L/en unknown
- 1985-03-28 DK DK139885A patent/DK139885A/en not_active Application Discontinuation
- 1985-03-28 IL IL74749A patent/IL74749A0/en unknown
- 1985-03-29 OA OA58550A patent/OA07974A/en unknown
- 1985-03-29 IE IE807/85A patent/IE56373B1/en unknown
- 1985-03-29 EP EP85302229A patent/EP0156653A3/en not_active Withdrawn
- 1985-03-29 DE DE19853511641 patent/DE3511641A1/en not_active Ceased
- 1985-03-29 BR BR8501532A patent/BR8501532A/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3589548A (en) * | 1969-05-12 | 1971-06-29 | Lyle R Weiss | Knockdown container |
GB2068328A (en) * | 1980-02-04 | 1981-08-12 | Juan A | Stackable drums |
GB2115382A (en) * | 1982-01-27 | 1983-09-07 | Masternet Ltd | Moulded containers |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2352242A (en) * | 1999-07-22 | 2001-01-24 | Hugh Michael Keogh | Disposal of used tyres; stackable containers |
GB2352242B (en) * | 1999-07-22 | 2003-04-16 | Hugh Michael Keogh | Tyre disposal |
WO2009006864A1 (en) * | 2007-07-11 | 2009-01-15 | Gebhardt Transport- Und Lagersysteme Gmbh | Transporting system |
Also Published As
Publication number | Publication date |
---|---|
ES285703U (en) | 1985-11-01 |
GB2157255A (en) | 1985-10-23 |
GR850784B (en) | 1985-11-25 |
JPS60228249A (en) | 1985-11-13 |
CA1230066A (en) | 1987-12-08 |
KR850006724A (en) | 1985-10-16 |
DE3511641A1 (en) | 1985-10-03 |
AR242010A1 (en) | 1993-02-26 |
FI851257A0 (en) | 1985-03-28 |
EP0156653A3 (en) | 1987-01-07 |
NO851268L (en) | 1985-09-30 |
ES285703Y (en) | 1986-05-16 |
IE56373B1 (en) | 1991-07-03 |
GB2157255B (en) | 1988-02-17 |
IL74749A0 (en) | 1985-06-30 |
PT80185A (en) | 1985-04-01 |
GB8408088D0 (en) | 1984-05-10 |
IE850807L (en) | 1985-09-29 |
DK139885D0 (en) | 1985-03-28 |
DK139885A (en) | 1985-09-30 |
NZ211605A (en) | 1986-11-12 |
OA07974A (en) | 1987-01-31 |
FI851257L (en) | 1985-09-30 |
PT80185B (en) | 1986-10-28 |
ZA852275B (en) | 1985-11-27 |
AU4045985A (en) | 1985-10-03 |
BR8501532A (en) | 1985-11-26 |
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Inventor name: VIDAL JUAN, ANTONIO Inventor name: RIPOLL LAS, ANGEL |