Metal deforming – By deflecting successively-presented portions of work during... – By use of deflector arranged to bend work transversely of...
Reexamination Certificate
2000-01-07
2001-09-18
Crane, Daniel C. (Department: 3725)
Metal deforming
By deflecting successively-presented portions of work during...
By use of deflector arranged to bend work transversely of...
C072S180000, C072S250000
Reexamination Certificate
active
06289707
ABSTRACT:
The invention relates to an apparatus for manufacturing roofing or cladding panels of various materials and with varied profile shapes.
Solutions of various types for manufacturing roofing and cladding panels are known. Known machines currently used in the manufacture generally produce a formed panel profile of one single type. If a different panel profile is to be produced in the same machine, the machine tools have to be replaced.
Prior art is described below with reference to accompanying
FIG. 1
, which illustrates prior-art equipment for manufacturing a tile-patterned roofing panel or sheet.
FIG. 1
shows a known apparatus for manufacturing tile-patterned roofing sheets. The apparatus comprises a profiling machine
1
equipped with at least one pair of rotatable profiling rolls
2
, a press
3
equipped in turn with a clamping tool
4
, and a feeding table
5
for guiding the sheet
6
into the machine.
In the production line of the prior-art tile-patterned roofing sheet, the sheet
6
is fed by means of the feeding table
5
into the profiling machine
1
. In the profiling machine
1
, the sheet
6
is formed between the rotating profiling rolls
2
in the longitudinal direction to the desired profile shape. In the press
3
, a transverse fold is formed, by means of the clamping tool
4
, in the sheet
6
formed in the profiling machine
1
.
In such a conventional production line, the manufacture of different roofing sheet profiles requires replacement of the tools both in the profiling machine and the press. Tool replacement is slow and awkward, and additional tools will increase the investment amount substantially.
The purpose of the present invention is to provide a simpler and improved solution enabling the manufacture of profiled roofing or cladding panels which can be mounted on the roof (or on the wall) both conventionally and turned upside down (inverted). This is achieved by an apparatus having the features of appended claim
1
, preferred embodiments being defined in the subclaims.
In one aspect of the invention, the apparatus for manufacturing a tile-patterned roofing or cladding panel comprises a profiling machine equipped with at least one pair of rotatable profiling rolls, a press equipped with a clamping tool, and a feeding table for guiding the panel into the machine. In the production line of the tile-patterned panel of the invention, the panel is fed by means of the feeding table into the profiling machine. In the profiling machine, the panel is formed between the rotating profiling rolls in the longitudinal direction to the desired profile shape. In the press, a transverse fold is formed, by means of the clamping tool, in the panel produced in the profiling machine.
In the apparatus according to the invention, the profiling machine and the press are provided with tools by means of which the necessary overlapping shape, including water flutes or capillary grooves, can be laminated or formed at either edge portion of the panel to be formed. By altering or switching the infeed point of the panel on the feeding table, the desired panel version can be produced. Thus, the desired panel version can be achieved in a very simple manner.
Preferably, the machine is arranged in such a way that transverse movement of the sheet or panel is allowed at the infeed point, thereby making it possible to produce the desired version of the panel.
REFERENCES:
patent: 754786 (1904-03-01), Lockwood
patent: 790797 (1905-05-01), Little
patent: 1936228 (1933-11-01), Crafton
patent: 4250728 (1981-02-01), King
patent: 4444037 (1984-04-01), Norgate
patent: 4875354 (1989-10-01), Nilsen et al.
patent: 482 986 (1977-04-01), None
patent: WO 98 31893 (1998-07-01), None
Patent Abstract of Japan, vol. 14, No. 127, M-947 abstract of JP 1-321024 A, Dec. 27, 1989.
Crane Daniel C.
Klauber & Jackson
Samesor Oy
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