# US 2014/0151920 A1 · Method of fabricating bitumen impregnated ridge tiles, and machines for fabricating them

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- Number: US 2014/0151920 A1
- Document ID: US20140151920A1
- Status: Published application
- Kind: A1
- Application number: 14/091,484
- Filed: 2013-11-27
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: Onduline
- Applicants: Onduline
- Inventors: Jean-Claude LEMAITRE; Ethem SAKIOGLU
- Web page: https://patentgrep.com/patent/US20140151920A1

## CPC

- B31F 1/07: Embossing {, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles}({B31F1/128 takes precedence;} corrugating B31F1/20; embossing in combination with printing B41F19/02, B41M1/24; typewriters for embossing B41J3/38; stamping in combination with deforming B41K3/36)
- B31F 1/32: Corrugating already corrugated webs
- D06N 5/003: {coated with bitumen}
- E04D 1/30: Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles (E04D3/40 takes precedence)
- E04D 3/40: Slabs or sheets locally modified for auxiliary purposes, e.g. for resting on walls, for serving as guttering; Elements for particular purposes, e.g. ridge elements, specially designed for use in conjunction with slabs or sheets {(E04D13/15 and E04D13/174 take precedence; ridge sealing E04D1/36; solar collectors F24S20/67)}
- E04D 2001/305: {Ridge or hip tiles}
- Y10T 83/0405: With preparatory or simultaneous ancillary treatment of work
- Y10T 83/9372: Rotatable type
- B31F: MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER (making layered products not composed wholly of paper or cardboard B32B)
- D06N: WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

Disclosed is a method of fabricating bitumen impregnated cellulose ridge tiles, each ridge tile having the general shape of a profiled ridge tile plate of cross-section symmetrical about a vertical longitudinal midplane and that includes a downwardly concave central ridge extended laterally on either side by a flat that terminates in a downwardly concave corrugation, the ridge tile further including a series of ribs at each longitudinal end, the panel being in the form of a section member of cross-section that is made up by juxtaposing at least two cross-sections, each identical to the cross-section of the ridge tile plate, with transverse ribs in the vicinity of the longitudinal ends of the panel and on either side of at least one virtual transverse separation line extending between longitudinal panel edges. The panel is cut along a longitudinal line between the juxtaposed ridge tile sections.

## Claims

### Claim 1

A method of fabricating bitumen impregnated cellulose ridge tiles (11a, 11b; 12a, 12b, 12c, 12d), each ridge tile having the general shape of a profiled ridge tile plate of cross-section that is symmetrical about a vertical longitudinal midplane and that comprises a downwardly concave central ridge (13) extended laterally on either side by a flat (14) that terminates in a downwardly concave corrugation (15), said ridge tile further including a series of transverse ribs (16) at each of its longitudinal ends (21), the method being wherein a shaped, dried, and bitumen impregnated cellulose panel (10) is made, the panel (10) being in the form of a section member of cross-section that is formed by juxtaposing at least two cross-sections, each identical to the cross-section of said ridge tile plate, with series of transverse ribs being formed in the vicinity of both longitudinal ends (21) of the panel and on either side of at least one virtual transverse separation line (17) extending between the two longitudinal edges (20) of the panel, and in that the shaped, dried, and bitumen impregnated panel (10) is cut along a longitudinal line of cut (18) situated between the juxtaposed ridge tile sections, between the corrugations of the ridge tile plates so as to form at least two ridge tile subassemblies, each including at least one ridge tile (11a, 11b; 12a, 12b, 12c, 12d).

### Claim 2 (depends on 1)

A method according to claim 1, wherein the longitudinal cutting of the panel (10) is performed in a first cutting operation in a first cutting station (4) using at least one rotary disk blade (6) in order to form said at least two ridge tile subassemblies (11a, 11b; 12a, 12b, 12c, 12d).

### Claim 3 (depends on 2)

A method according to claim 2, wherein said at least two ridge tile subassemblies as obtained in the first cutting operation are cut apart in a second operation in a second cutting station, the second cutting operation being performed in a transverse direction along the virtual transverse separation line(s) (17).

### Claim 4 (depends on 3)

A method according to claim 3, wherein the second cutting station is made removable so as to make it possible either to produce ridge tiles of a first length (11a, 11b) in the absence of the second cutting operation, or else ridge tiles (12a, 12b, 12c, 12d) of a second length, shorter than the first length, in the presence of the second cutting operation.

### Claim 5 (depends on 3)

A method according to claim 3, wherein the transverse cutting in the second cutting station is performed by means of guillotine shears (5) with cutting shape (7) and counter-shape.

### Claim 6 (depends on 5)

A method according to claim 5, wherein the cutting shape and counter-shape are shapes corresponding to the shapes of the cross-sections of the ridge tile plates including the ridges, the flats, and the corrugations of each of them.

### Claim 7 (depends on 1)

A method according to claim 1, wherein a continuous forming machine (2, 3) is used acting on a continuous cellulose mat (19) that is at least partially dried, the machine comprising, upstream, a first station (2) for making ribs in the continuous cellulose mat (19) in a first direction relative to said continuous mat, and downstream, a second station (3) for making ridges and corrugations in said continuous cellulose mat in the second direction of said continuous mat, said shaped continuous cellulose mat subsequently being cut up into panels (10) after shaping in said shaping machine.

### Claim 8 (depends on 7)

A method according to claim 7, wherein the first station (2) for forming ribs in the continuous cellulose mat (19) have control means for making or not making on command the series of transverse ribs on either side of said at least one virtual transverse separation line (17) extending between the two longitudinal edges (20) of the panel.

### Claim 9 (depends on 8)

A method according to claim 8, wherein the first direction, the direction of the ribs (16), is lengthwise relative to the continuous cellulose mat (19), and the second direction, the ridge (13) and the corrugation (15) direction, is widthwise relative to the continuous cellulose mat (19).

### Claim 10 (depends on 7)

A method according to claim 7, wherein it includes a step (1) of coating the continuous cellulose mat (19) with a coating compound prior to passing through the shaping machine (2, 3).

### Claim 11 (depends on 7)

A method according to claim 7, wherein it includes a step of impregnating the panel with bitumen after cutting into panels (10) the continuous cellulose mat (19) that has been formed in said shaping machine (2, 3).

### Claim 12 (depends on 1)

A machine for cutting a cellulose panel (10) that has been shaped, dried, and impregnated with bitumen in order to produce ridge tiles, the panel (10) being in the form of a section member of cross-section that is made up by juxtaposing at least two cross-sections, each identical to the cross-section of a ridge tile plate, with series of transverse ribs (16) being provided in the vicinity of the longitudinal ends (21) of the panel (10) and on either side of at least one virtual transverse separation line (17) extending between the two longitudinal edges (20) of the panel, each ridge tile having a generally profiled shape of cross-section that is symmetrical about a vertical longitudinal midplane and that comprises a downwardly concave central ridge (13) extended laterally on either side by a flat (14) that terminates in a downwardly concave corrugation (15), said cutting machine being wherein it is specially configured for being used in the method according to claim 1 for fabricating bitumen impregnated cellulose ridge tiles, and that it comprises:
a first cutting station (4) in which, in a first operation, the panel (10) can be cut in the length direction using at least one rotary disk blade (6) along a longitudinal line of cut (18) situated between the juxtaposed ridge tile sections between the corrugations of the ridge tile plates in order to form at least two ridge tile subassemblies, each comprising at least one ridge tile (11a, 11b; 12a, 12b, 12c, 12d); and
a second cutting station (5) in which, in a second operation, said at least two ridge tile subassemblies of said panel (10) as obtained in the first operation can be cut apart in a single operation in a transverse direction along the virtual transverse separation line(s) (17), using at least guillotine shears (5) having cutting shape (7) and counter-shape;
the second cutting station being removable in order to make it possible to produce either ridge tiles of a first length (11a, 11b) in the absence of the second operation, or else ridge tiles (12a, 12b, 12c, 12c) of a second length, shorter than the first length, in the presence of the second cutting operation.

### Claim 13 (depends on 7)

A shaping machine for making a cellulose panel (10) in order to produce ridge tiles and comprising a set of ridge tile plates arranged firstly in series in the first direction of the panel and secondly mutually in parallel in the other direction of the panel, each ridge tile having a generally profiled shape of cross-section that is symmetrical about a vertical longitudinal midplane and that comprises a downwardly concave central ridge (13) extended laterally on either side by a flat (14) that terminates in a downwardly concave corrugation (15), said ridge tiles further including a series of transverse ribs (16) at each of its longitudinal ends (21), said shaping machine (2, 3) being wherein it is specially configured for use in the method of fabricating bitumen impregnated cellulose ridge tiles according to claim 7, and in that it comprises, upstream, a first station (2) for making ribs in a continuous cellulose mat (19) in a first direction of said continuous mat (19), and downstream, a second station (3) for making ridges and corrugations in each ridge tile plate in the second direction of said continuous mat (19).

### Claim 14 (depends on 4)

A method according to claim 4, wherein the transverse cutting in the second cutting station is performed by means of guillotine shears (5) with cutting shape (7) and counter-shape.

### Claim 15 (depends on 2)

A method according to claim 2, wherein a continuous forming machine (2, 3) is used acting on a continuous cellulose mat (19) that is at least partially dried, the machine comprising, upstream, a first station (2) for making ribs in the continuous cellulose mat (19) in a first direction relative to said continuous mat, and downstream, a second station (3) for making ridges and corrugations in said continuous cellulose mat in the second direction of said continuous mat, said shaped continuous cellulose mat subsequently being cut up into panels (10) after shaping in said shaping machine.

### Claim 16 (depends on 3)

A method according to claim 3, wherein a continuous forming machine (2, 3) is used acting on a continuous cellulose mat (19) that is at least partially dried, the machine comprising, upstream, a first station (2) for making ribs in the continuous cellulose mat (19) in a first direction relative to said continuous mat, and downstream, a second station (3) for making ridges and corrugations in said continuous cellulose mat in the second direction of said continuous mat, said shaped continuous cellulose mat subsequently being cut up into panels (10) after shaping in said shaping machine.

### Claim 17 (depends on 4)

A method according to claim 4, wherein a continuous forming machine (2, 3) is used acting on a continuous cellulose mat (19) that is at least partially dried, the machine comprising, upstream, a first station (2) for making ribs in the continuous cellulose mat (19) in a first direction relative to said continuous mat, and downstream, a second station (3) for making ridges and corrugations in said continuous cellulose mat in the second direction of said continuous mat, said shaped continuous cellulose mat subsequently being cut up into panels (10) after shaping in said shaping machine.

### Claim 18 (depends on 5)

A method according to claim 5, wherein a continuous forming machine (2, 3) is used acting on a continuous cellulose mat (19) that is at least partially dried, the machine comprising, upstream, a first station (2) for making ribs in the continuous cellulose mat (19) in a first direction relative to said continuous mat, and downstream, a second station (3) for making ridges and corrugations in said continuous cellulose mat in the second direction of said continuous mat, said shaped continuous cellulose mat subsequently being cut up into panels (10) after shaping in said shaping machine.

### Claim 19 (depends on 6)

A method according to claim 6, wherein a continuous forming machine (2, 3) is used acting on a continuous cellulose mat (19) that is at least partially dried, the machine comprising, upstream, a first station (2) for making ribs in the continuous cellulose mat (19) in a first direction relative to said continuous mat, and downstream, a second station (3) for making ridges and corrugations in said continuous cellulose mat in the second direction of said continuous mat, said shaped continuous cellulose mat subsequently being cut up into panels (10) after shaping in said shaping machine.

### Claim 20 (depends on 8)

A method according to claim 8, wherein it includes a step (1) of coating the continuous cellulose mat (19) with a coating compound prior to passing through the shaping machine (2, 3).
