GB2279594A - Roll forming machines - Google Patents
Roll forming machines Download PDFInfo
- Publication number
- GB2279594A GB2279594A GB9313732A GB9313732A GB2279594A GB 2279594 A GB2279594 A GB 2279594A GB 9313732 A GB9313732 A GB 9313732A GB 9313732 A GB9313732 A GB 9313732A GB 2279594 A GB2279594 A GB 2279594A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- machine
- rolls
- roll
- forming
- 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- Withdrawn
Links
- 238000007493 shaping process Methods 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005253 cladding Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
A metal strip roll forming machine comprises a plurality of sets of normal forming rolls 14 set out in succession one to another and defining a path of travel of the strip to be shaped. Each normal set of forming rolls comprises an upper and lower roll defining therebetween a nip through which the strip is passed, and has a succession of differing profiles whereby progressively to shape to the desired cross sectional profile the strip as it passes through the plurality of normal sets of forming rolls. The machine additionally includes at least one transverse roll 15 disposed in the machine with its axial transverse to the path or travel and arranged in use to engage a portion of the strip during its passage through the machine to enable the strip to be configured by turning that portion back upon itself to provide a reverse shaping of the profile in section. The profiled strip may be used as building roof cladding panels. <IMAGE>
Description
ROLL FORMING MACHINES
This invention relates to roll forming machines, and more particularly to machines for forming metal strip, such as steel or aluminium strip, by means of rolling to provide an elongate product having profile of greater or lesser complication in cross section.
More particularly, although not exclusively, the invention is related to such profile rolling machines for producing elongate cladding panels for buildings, and particularly for roofs for buildings.
Such cladding panels commonly require an intricate cross sectional profile, especially where it is wished to inter-engage successive panels on a side by side basis, when it is highly desirable that the panel should include in its cross sectional profile at least some under-reverse and/or over-reverse shaped portions to provide for such inter-engagement between side-adjacent panels.
By under or over reverse shaping is meant a profile where a portion of the strip is shaped back upon itself to lie under or over respectively another portion of the strip.
It is an object of the present invention to provide a strip metal roll forming machine readily capable of providing such intricate profiles, including reverseshaping portions of the profile.
In accordance with one aspect of the invention there is provided a metal strip roll forming machine comprising a plurality of sets of normal forming rolls set out in succession one to another and defining a path of travel of the strip to be shaped, each normal set of forming rolls comprising an upper and lower roll defining therebetween a nip through which the strip is passed, and having a succession of differing profiles whereby progressively to shape to the desired cross sectional profile the strip as it passes through the plurality of normal sets of forming rolls, the machine additionally including at least one transverse roll disposed in the machine with its axis transverse to the path or travel and arranged in use to engage a portion of the strip during its passage through the machine to enable the strip to be configured by turning that portion back upon itself to provide a reverse shaping of the profile in section as hereinabove described; the machine including means for driving at least some of the normal sets of forming rolls.
There may be provided at least one set of transverse rolls comprising a co-operating pair of rolls disposed in the machine with their axes transverse to the path of travel arranged in use to engage a portion of the strip during its passage through the machine to enable the strip to be configured by turning that portion back upon itself to provide a reverse shaping of the profile in section as hereinabove described.
There may be provided at least one single transverse roll with its axis transverse to the path of travel arranged to cooperate with a normal forming roll so as in use to engage a portion of the strip during its passage through the machine to enable the strip to be configured by turning that portion back upon itself to provide a reverse shaping of the profile in section as hereinabove described.
The normal forming roll sets may wholly or predominantly provide shaping by compression in the nip therebetween of the strip. Alternatively some of the normal forming roll sets, and/or some of the transverse roll sets may each comprise one roll having a sharply male edge protuberant profile, the other roll having a cooperating but more rounded female indented profile enabling the relevant portion of the strip engaged thereby to be bent around the sharp male edge profile.
One normal set of rolls may be provided with a longitudinal protrusion on one roll adapted to mate with a longitudinal groove on the other roll to provide a transverse indentation to the strip passing therethrough.
At least some of the rolls of at least some of the plurality of the normal forming roll sets defining the path of travel of the strip may include strip engaging portions freely rotatably mounted on driving shafts and include strip engaging portions drivingly connected to said shafts which provides positive drive to the strip. Preferably such positive drive roll portions engage a portion of the strip retaining little or no angle to the mean plane of the strip throughout the length of passage of the strip through the roll sets so that with appropriate selected drive shaft speed the same peripheral drive speed can be applied to the strip throughout the sequence of driving rolls thereby avoiding scuffing of the surface of the strip as it passes therethrough. Additionally this has the advantage of allowing the freely rotatable portions of the normal forming rolls, which may be sharply angled to the mean plane of the strip and have peripheral speeds of considerable variation, to move at their own required speed to avoid scuffing of this material.
Desirably positively driven upper and lower driven nip rolls or roll portions are provided at each station of the machine.
The transverse rolls may be freely rotatable on their shafts, and not driven.
The machine may be mounted within a framework where each set of rolls is primarily supported from side members of the framework.
Each normal roll set may include a pair of rolls for forming one part of the strip, and another pair of rolls for forming another part of the strip across the width thereof, and additional transverse rolls may be provided, as required, with respect to both parts of the strip adjacent to one or more sets of forming rolls. The two parts of the strip may be adjacent opposite sides of the strip. In this case the rolls with respect to one side of the strip may be arranged for adjustment of position along the supporting and driving shafts so as to accommodate strips of different widths whilst being able to provide the same profile to the two side portions thereof.
Transverse rolls are preferably mounted for easy replacement to enable variation in profile and depth of the reverse shaping.
Driven rolls may be adjusted for position along the shafts by each being provided with a releasable portion thereof clampable about a perspective shaft at a desired position.
The side frame upon which the rolls of the forming machine are supported may be demountable at each station to enable rapid and easy change of rolls.
Again each roll shaft may be so mounted by supports on the side frame as to be capable of rapid demounting therefrom.
In order that the invention may be more readily understood one embodiment thereof will now be described by way of example with reference to the accompanying drawings in which:
Figure l(a) illustrates in plan and Figure l(b) illustrates in elevation schematically a twelve station steel strip roll forming machine in accordance with the invention;
Figures 2(a) and 2(b) illustrate schematically the progressive shaping of the profile of the steel strip at each of the twelve stations of the machine of Figures l(a) and l(b); Figure 3 illustrates in detail the final sectional profile of a panel produced by the machine of Figures l(a) and l(b); Figures 4 to 15 show in front elevation the successive twelve sets of normal forming rolls, and, where provided, transverse rolls of the machine of Figures l(a) and l(b) and
Figure 16 shows in side elevation a forming roll from one of the sets of rolls showing its quick clamp arrangement on to the relevant shaft.
Referring now to the drawings it will be seen from
Figures l(a) and l(b) that the strip roll shaping machine 13 comprises a set of twelve normal nip forming roll sets 14 arranged in a line and supported from side members 20, of a frame structure, together with a plurality of transverse side mounted roll sets 15 to provide return reverse to side portions of the strip.
It will be seen that the drive for the rolls is provided from a motor 16 mounted midway along the machine and providing via two driving chains 17 and 18 drive via sprockets (not shown in these two Figures) for each of the shafts of the upper and lower rolls of the normal roll sets, on each half length respectively of the machine.
Reference to Figures 2(a) and 2(b) shows the successive cross sectional profiles formed in the strip 21 as it passes through the twelve roll sets both by the normal forming rolls 14 and the transverse reverse bend shaping rolls 15.
Figure 3 illustrates the cross sectional profile of a steel strip (or panel) 21 after passing through the shape forming roll machine, illustrating quite clearly the reverse shaping at or adjacent each side thereof.
Figures 4 to 15 show in sequence the rolls for producing the progressive shaping of the strip to the configuration shown in Figure 3.
Considering the first normal set of forming rolls (station 1) shown in Figure 4 two shafts 22, 23 vertically displaced one from the other and mounted by means of adjustable sliders 25, 26, 27, 28 on vertical portions 20, 24 of the side structure of the frames supporting the machine, the sliders being held by nuts and bolts 29 (one set only shown in each view). Two sets of upper rolls 30, 31 are provided and two sets of complementary lower rolls 32, 33 are similarly provided so as to carry out the necessary shaping to portions of the strip at or adjacent each side. Each forming roll 30, 32 has a portion 34, 35 clamped to the driving shaft by means of the arrangement of
Figure 15 (as described hereinafter). The rolls 31, 32 are permanently clamped to and driven by the shafts 22 and 23 (as shown at 36, 37). The driving rolls provide a nip between which the strip is driven. With respect to the arrangement of Figure 4 the roll sets provide the initial detail forming for both side portions of the strip. It is to be observed that the rolls 30, 32 at one end of the shaft, by virtue of their fixture on the shaft by means of an easily adjustable clamp member as shown in Figure 16 can be moved to enable roll forming of differing width strips.
Sprockets 38, 39 with appropriate shaped and numbered teeth are fixedly secured to each shaft so that both sets of rolls, fixed with respect to the shaft, are driven, whereby the strip is driven positively through the set. In Figure 3 it is to be noted that the minor configurations, such as the indentations shown on the right hand side of the profile are provided at station 1.
In Figure 5 is illustrated the second station (2) normal set of rolls 40, 41. These are of special configurations and both are positively driven. The two forming rolls carry in their periphery inserts 42, 43, one having a surface facing recess 44 and the other having a surface facing protrusion 45 whereby on driving the two rolls 40, 41 a transverse groove is formed in the strip passing therethrough.
Referring to Figure 6 there is shown the third set of normal rolls (station 3). It is to be seen that here the pair of rolls 31, 33 have forming portions 46, 47, which are fixed to the shafts at 76,77 for driving thereby, and portions 48, 49 arranged to engage and drive the strip through the machine, which are fixed at 36 and 37, and therefore driven by, the shafts which in turn are driven by sprockets 38, 39.
Rolls 30, 301 and 32, 321 show the alternate disposition along shafts 22, 23 of these rolls to accommodate different width strip, clamping being by clamping means 34, 341 and 35, 351.
In Figure 7 comprising station 4 there can be seen the introduction of transverse reverse bending rolls 50, 51.
These are transverse free running shaping rolls mounted on bearings 52, 53 and supported on adjustable sliders 54, 55, one from an overhead crossbeam 56 and one from an under crossbeam 57, both of which are vertically adjustable as shown at 59, 60 and 61, 62 on vertical supports 20, 24.
One of the transverse rolls 51 provides a sharp edged male profile, and the other 52 a more rounded female indented profile, the rolls 51, 52 engaging one within the other form to commence formation of the appropriate reverse shaping of that side of the strip into the configuration shown at point 4 on Figure 2(a). Adjustment of sliders 54, 55 is by means of a nut and bolt arrangement 58 (one only shown).
In Figure 7 the forming portions 46, 47 of rolls 31 and 33 are free rolling about the shafts.
Figure 8 shows transverse free running rolls 51, 52 at station 5 as in Figure 7 at station 4. Again, these are respectively mounted on an adjustable slider 54, 55 from an overhead 54 and underhead crossbeam 57, in which again one roll 51 provides a sharp edge by its profile around which the wider female profile of the other roll 52 further bends the side portion of the profile to that shown at point 5 in Figure 2(a).
In Figure 9 at station 6 further rolling occurs to produce the configuration on each side as shown at point 6 on Figures 2(a) and 2(b), and similarly occurs at station 7 on Figure 10.
In Figure 11 there is shown the position at station 8 where a single transverse roll 63 mounted on an adjustable slider 54 from an overhead crossbeam 56 between the side supports 20, 24 of the machine frame is free rolling on bearings 64 and provides a sharp edge about which the protrusion formed by the corresponding rolls at station 7 shown on Figure 10 are reverse turned to the position shown at point 8 in Figure 2(b), i.e. just over the normal from the natural plane of the strip. At this station roll 31 comprises only a free rolling portion, whilst all of roll 33 is driven.
Figure 12 shows station 9 at which not only is a single additional transverse shaping roll 63 introduced to carry on the shaping of the reverse shape portion on the right hand side of the strip as shown at point 9 in Figure 2(b), but a pair of transverse shaping rolls 65, 66 mounted for free rotation on bearings 67, 68 and carried on adjustable slides 69, 70 attached to an under crossbeam 57 continue, as shown at point 9 on Figure 2(a), the reverse shaping of the left hand side portion of the strip.
This operation is continued with similar rolls at station 10 as shown on Figure 13, this providing the final profiling of the left hand side of the strip.
The right hand profiling of the reverse shaped portion of the strip continues at stations 11 and 12 as shown in
Figures 14 and 15 where a single overhead free rotating roll 63 in each case still provides a sharp edge to continue the reverse shaping of the right hand side portion of the strip until it reaches the position shown at point 12 on Figure 2(b), whilst final configuring and sizing of the reverse shaping of the left hand portion of the strip is provided in the nip 75 between rolls 30 and 32 at these two stations.
It is to be noted that at stations 11 and 12, portion 47 of roll 33 reverts to being free rolling on its shaft.
Figure 16 illustrates a most convenient form of adjustable clamp for moving and then fixing all left hand side drive rolls upon the drive shafts of each station.
Thus it is to be observed that the drive roll 70 has a reduced diameter clamp attachment comprising a portion 72 welded to the drive roll itself, somewhat greater than a half of the clamp roll diameter, to which, by means of two bolts 73, a free, unwelded, arc 74 of the clamp roll may be attached rapidly, easily and without possibility of slippage or alternatively sticking whereby the drive roll is permanently engaged to the drive shaft, capable of easy release for movement therealong for adjustment to accommodate strips of different widths.
By means of the invention as hereinabove particularly described we have provided a metal strip roll shaping or forming machine in which a plurality of free running shaping rolls rotatable about an axis transverse to that of the sets of normal forming rolls are provided enabling the effective non-scuffing, formation of reverse shaping at defined positions across the strip. In addition we have provided driving roll portions engaging the strip at the plane generally of that the overall strip, mounted on shafts having driving sprockets of appropriate size to provide a common peripheral speed to the drive rolls and hence to the strip,
Again we have provided an easy mechanism, by means of the clamp drive roll hereinabove described, for enabling at least one set of rolls to one side of the strip at each station to be adjusted easily quickly and with secure refastening about the drive shaft for accommodating different strip widths
Again we have ensured by mounting the drive shafts of each normal roll in a demountable manner on the side frames, a relatively easy ability to change different rolls to enable different section profiles to be rolled.
Yet again if required, the driving shafts at each station may be removed relatively easily since they are connected by means of blocks and appropriate bolting to the side frame structure.
It is to be understood that the foregoing is merely exemplary of metal strip forming machines in accordance with the invention and that modifications can readily be made thereto without departing from the true scope of the invention.
Claims (18)
1. A metal strip roll forming machine comprising a plurality of sets of normal forming rolls set out in succession one to another and defining a path of travel of the strip to be shaped, each normal set of forming rolls comprising an upper and lower roll defining therebetween a nip through which the strip is passed, and having a succession of differing profiles whereby progressively to shape to the desired cross sectional profile the strip as it passes through the plurality of normal sets of forming rolls, the machine additionally including at least one transverse roll disposed in the machine with its axis transverse to the path or travel and arranged in use to engage a portion of the strip during its passage through the machine to enable the strip to be configured by turning that portion back upon itself to provide a reverse shaping of the profile in section as hereinabove described; the machine including means for driving at least some of the normal sets of forming
rolls.
2. A machine as claimed in Claim 1 including at least one
set of transverse rolls comprising a co-operating pair
of rolls disposed in the machine with their axes
transverse to the path of travel arranged in use to
engage a portion of the strip during its passage
through the machine to enable the strip to be
configured by turning that portion back upon itself to
provide a reverse shaping of the profile in section.
3. A machine as claimed in Claim 1 including at least one
single transverse roll with its axis transverse to the
path of travel arranged to cooperate with a normal
forming roll so as in use to engage a portion of the
strip during its passage through the machine to enable
the strip to be configured by turning that portion
back upon itself to provide a reverse shaping of the
profile in section.
4. A machine as claimed in any one of the preceding
Claims wherein each normal forming roll set provides
shaping by compression in the nip therebetween of the
strip.
5. A machine as claimed in any one of Claims 1 to 3
wherein at least one of the normal forming roll sets,
and/or at least one of the transverse roll sets each
comprises one roll having a sharply male edge
protuberant profile, the other roll having a co
operating but more rounded female indented profile
enabling the relevant portion of the strip engaged
6. A machine as claimed in any one of the preceding
Claims wherein one normal set of rolls is provided
with a longitudinal protrusion on one roll adapted to
mate with a longitudinal groove on the other roll to
provide a transverse indentation to the strip passing
therethrough.
7. A machine as claimed in any one of the preceding
Claims wherein at least some of the rolls of at least
one of the plurality of the normal forming roll sets
defining the path of travel of the strip may include
strip engaging portions freely rotatably mounted on
driving shafts and include strip engaging portions
drivingly connected to said shafts which provides
positive drive to the strip.
8. A machine as claimed in Claim 7 wherein the positive
drive roll portions engage a portion of the strip
retaining little or no angle to the mean plane of the
strip throughout the length of passage of the strip
through the roll sets so that with appropriate
selected drive shaft speed the same peripheral drive
speed can be applied to the strip throughout the
sequence of driving rolls thereby avoiding scuffing of
the surface of the strip as it passes therethrough.
9. A machine as claimed in any one of the preceding
Claims wherein positively driven upper and lower
driven nip rolls or roll portions are provided at each
station of the machine.
10. A machine as claimed in any one of Claims 1 to 8
wherein the transverse rolls are freely rotatable on
their shafts.
11. A machine as claimed in any one of the preceding
Claims mounted within a framework where each set of
rolls is primarily supported from side members of the
framework.
12. A machine as claimed in any one of the preceding
Claims wherein each normal roll set includes a pair of
rolls for forming one part of the strip, and another
pair of rolls for forming another part of the strip
across the width thereof, and additional transverse
rolls may be provided, as required, with respect to
both parts of the strip adjacent to one or more sets
of forming rolls.
13. A machine as claimed in Claim 12 wherein the two parts
of the strip are adjacent opposite sides of the strip.
14. A machine as claimed in Claim 13 wherein the rolls
with respect to one side of the strip are arranged for
adjustment of position along the supporting and
driving shafts so as to accommodate strips of
different widths whilst being able to provide the same
profile to the two side portions thereof.
15. A machine as claimed in any one of the preceding
Claims wherein the transverse rolls are mounted for
easy replacement to enable variation in profile and
depth of the reverse shaping.
16. A machine as claimed in any one of the preceding
claims wherein driven rolls are each provided with a
releasable portion clampable about a respective shaft
at a desired position.
17. A machine as claimed in Claim 1 wherein the side
members upon which the rolls of the forming machine
are supported are demountable at each station to
enable rapid and easy change of rolls.
18. A metal strip forming machine substantially as herein
described and as described with reference to Figures
1 to 16 of the accompanying diagrammatic drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9313732A GB2279594A (en) | 1993-07-02 | 1993-07-02 | Roll forming machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9313732A GB2279594A (en) | 1993-07-02 | 1993-07-02 | Roll forming machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9313732D0 GB9313732D0 (en) | 1993-08-18 |
| GB2279594A true GB2279594A (en) | 1995-01-11 |
Family
ID=10738204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9313732A Withdrawn GB2279594A (en) | 1993-07-02 | 1993-07-02 | Roll forming machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2279594A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6272447B1 (en) | 1998-10-21 | 2001-08-07 | Scottsdale Building Systems Limited | Fabrication and design of structural members |
| ITMI20102298A1 (en) * | 2010-12-15 | 2012-06-16 | Cosma S R L | ROLLER PROFILING MACHINE. |
| EP2703098A3 (en) * | 2012-08-28 | 2016-08-31 | Bayfire Oy | Roll forming machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1139283A (en) * | 1967-01-02 | 1969-01-08 | Victor Bobrowski | Tapered tube making device and method therefor |
| GB2016326A (en) * | 1978-03-08 | 1979-09-26 | Hitachi Metals Ltd | Method of could roll forming |
| GB1575742A (en) * | 1976-02-12 | 1980-09-24 | Mannesmann Ag | Apparatus for the continuous formation of strip material |
| WO1988004968A1 (en) * | 1986-12-26 | 1988-07-14 | Nakata Manufacture Company Limited | Method of guiding material to fin-pass roll and its guide roll stand |
| GB2264251A (en) * | 1992-02-21 | 1993-08-25 | Arletti Ltd | Roll forming machine |
| GB2274797A (en) * | 1993-02-09 | 1994-08-10 | Modular Erectors Ltd | A method and appartus for forming side flanges on sheet material |
-
1993
- 1993-07-02 GB GB9313732A patent/GB2279594A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1139283A (en) * | 1967-01-02 | 1969-01-08 | Victor Bobrowski | Tapered tube making device and method therefor |
| GB1575742A (en) * | 1976-02-12 | 1980-09-24 | Mannesmann Ag | Apparatus for the continuous formation of strip material |
| GB2016326A (en) * | 1978-03-08 | 1979-09-26 | Hitachi Metals Ltd | Method of could roll forming |
| WO1988004968A1 (en) * | 1986-12-26 | 1988-07-14 | Nakata Manufacture Company Limited | Method of guiding material to fin-pass roll and its guide roll stand |
| GB2264251A (en) * | 1992-02-21 | 1993-08-25 | Arletti Ltd | Roll forming machine |
| GB2274797A (en) * | 1993-02-09 | 1994-08-10 | Modular Erectors Ltd | A method and appartus for forming side flanges on sheet material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6757643B2 (en) | 1995-12-21 | 2004-06-29 | Nucon Steel Corporation | Fabrication and design of structural members |
| US6272447B1 (en) | 1998-10-21 | 2001-08-07 | Scottsdale Building Systems Limited | Fabrication and design of structural members |
| ITMI20102298A1 (en) * | 2010-12-15 | 2012-06-16 | Cosma S R L | ROLLER PROFILING MACHINE. |
| EP2703098A3 (en) * | 2012-08-28 | 2016-08-31 | Bayfire Oy | Roll forming machine |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9313732D0 (en) | 1993-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |