EP2738307A1 - Method for manufacturing ridge tiles made of bitumen-impregnated cellulose, manufacturing machines - Google Patents

Method for manufacturing ridge tiles made of bitumen-impregnated cellulose, manufacturing machines Download PDF

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Publication number
EP2738307A1
EP2738307A1 EP20130306632 EP13306632A EP2738307A1 EP 2738307 A1 EP2738307 A1 EP 2738307A1 EP 20130306632 EP20130306632 EP 20130306632 EP 13306632 A EP13306632 A EP 13306632A EP 2738307 A1 EP2738307 A1 EP 2738307A1
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EP
European Patent Office
Prior art keywords
ridge
cellulose
panel
cutting
continuous
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.)
Granted
Application number
EP20130306632
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German (de)
French (fr)
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EP2738307B1 (en
Inventor
Jean-Claude Lemaitre
Ethem Sakioglu
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Onduline SA
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Onduline SA
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Priority to PL13306632T priority Critical patent/PL2738307T3/en
Publication of EP2738307A1 publication Critical patent/EP2738307A1/en
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Publication of EP2738307B1 publication Critical patent/EP2738307B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/32—Corrugating already corrugated webs
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • 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
    • D06N5/00—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch
    • D06N5/003—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch coated with bitumen
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/30—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/40—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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/30—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • E04D2001/304—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles at roof intersections, e.g. valley tiles, ridge tiles
    • E04D2001/305—Ridge or hip tiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0405—With preparatory or simultaneous ancillary treatment of work
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type

Definitions

  • the present invention relates to a process for manufacturing ridge made of cellulose impregnated with bitumen as well as machines for manufacturing such ridge.
  • roofing elements made of cellulose impregnated with bitumen have been known for a long time. They are made from an aqueous composition of cellulose fibers which is dried, treated, shaped and impregnated with hot bitumen. Various types such as corrugated panels and their accessories such as ridge boards are known.
  • the elements of the corrugated panel type have the advantage of being able to be made at least in their majority by continuous processes from a continuous mattress of cellulose of sufficient density to make it stable in the manufacturing process of the elements of the corrugated board. blanket. This stability results from the fact that the continuous cellulose mat is at least partially dried when it is worked.
  • the present invention relates more specifically to optimization of the manufacture of ridge.
  • the invention relates to a process for manufacturing ridge made of cellulose impregnated with bitumen, each ridge having a general shape profiled ridge plate whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a rounded central concave downward continuing on each side, laterally, by a dish ending in a concave wave downward, said ridge further comprising at each of its longitudinal ends a series of transverse flutes.
  • a cellulose board is formed, dried and impregnated with bitumen, the panel having a profile shape whose cross section is formed by the juxtaposition of at least two cross sections each identical to that of said Ridge plate and series of transverse grooves being formed in the vicinity of the two longitudinal ends of the panel and on either side of at least one imaginary transverse dividing line extended between the two longitudinal edges of the panel, and in that the shaped, dried panel is cut out and impregnated with bitumen, along a longitudinal cutting line located between the juxtaposed ridge sections, between the waves of the ridge plates, to form at least two ridge subsets (s) each having at least one ridge.
  • each ridge having an elongated shape and symmetrical about its median line along its length and having a median concave rounded downwards continuing on each side, laterally, by a flat ending with a downward concave wave, said ridge further comprising at each of its length ends a series of transverse flutes, a shaped, dried and impregnated cellulose board is formed, said panel comprising a set of ridge shapes, on the one hand, aligned in series, in a first direction of the panel (each alignment forming a subset of ridge) and, on the other hand, juxtaposed parallel to each other in the other direction of the panel (the sub-assemblies of ridge being arranged in parallel), wave against wave, and are cut between them said forms in a machine de Vietnamese pe.
  • the invention also relates to a machine for cutting a shaped, dried and impregnated bitumen-forming cellulose board for producing ridge-shaped sheets, the panel having a profile shape whose cross-section is formed by the juxtaposition of at least two transverse sections each identical to that of a ridge plate and series of transverse grooves being formed in the vicinity of the longitudinal ends of the panel and on either side of at least one imaginary transverse line of separation extended between the two edges longitudinal members of the panel, each ridge having a generally profiled shape whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a concave central rounded downward continuing on each side, laterally, by a flat ending in a wave concave down.
  • the invention also relates to a forming machine for producing a cellulose panel intended to produce ridge elements and comprising a set of ridge plates arranged, on the one hand, in series, in the first direction of the panel and, on the other hand, on the other hand, parallel to each other in the other direction of the panel, each ridge having a generally profiled shape whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a concave central rounded downwards continuing on each side, laterally, by a dish ending in a concave downward wave, said ridge further comprising at each of its longitudinal ends a series of transverse flutes.
  • Said forming machine is specially configured for use in the method of manufacturing ridge made of bitumen-impregnated cellulose of the invention, and it comprises, upstream, a first station for producing grooves on a continuous mattress of cellulose in a first direction of said continuous mattress and, downstream, a second embodiment of the roundings and waves of each ridge plate in the second direction of said continuous mattress.
  • the first direction, that of the grooves is longitudinal, that is to say the length of the continuous cellulose mattress, in its direction of movement, the grooves being elongated longitudinally on said continuous mattress.
  • the second direction, that of roundings and waves is transverse, that is to say on the width of the continuous mattress of cellulose, the rounded and waves being elongated over the width of said mattress.
  • At least one drying step is carried out by heating, which also makes it possible to polymerize the coating substance.
  • a step of cooling the impregnated panel is carried out.
  • Each profiled ridge plate has the following shape that can be found on Figures 4 and 5 it is symmetrical with respect to its median plane over its length with, on the corresponding median line, a rounded downward concave curve 13 continuing on either side, laterally, by a plate 14 ending in a concave wave downwards, said ridge further comprising at each of its two ends 21 of length a series of transverse flutes 16 extending from one wave to another.
  • These grooves are intended to overlap between ridge during the installation of the ridge to improve the tightness of the cover.
  • the ridge plates (or more generally the individual ridge shapes) are aligned both in series along sub-assemblies / strips of factories and juxtaposed in parallel between them forming on the panel subassemblies (bands) of ridge adjacent and parallel to each other.
  • a subset or ridge strip (s) may comprise one or more plates / ridge shapes aligned.
  • two subsets of adjacent and therefore parallel wells meet along the corresponding waves of each of the ridge plates of said ridge subsets.
  • the panel 10 is cut between 18 said waves, in the direction of the length of the panel.
  • each subassembly / ridge strip is cut transversely across its width, following the virtual transverse separation line 17 between two aligned ridge plates or forms of said ridge subset.
  • This virtual transverse separation line 17 is extended between the two longitudinal edges 20 of the panel 10 and is said to be virtual because it serves to explain where the possible cross-section of the subassemblies / ridge bands will be made if it is to be made.
  • the cutouts of the panel 10 to obtain subsets / strips of ridge (s) and to obtain individual ridge are therefore in directions perpendicular to each other.
  • the invention makes it possible, optionally, to obtain subassemblies / ridge bands 11a, 11b, which are therefore cover elements of great length corresponding to the first length, which is typically a multiple of a long length. individual ridge length, and / or obtaining individual ridge 12a, 12b, 12c, 12d.
  • the splines between the plates / ridge forms are not made. subsets / bands.
  • the panel comprises at least two sets of transverse flutes 16 and these two series of flutes correspond to those made at the ends 21 of the panel.
  • a subassembly / ridge strip may, in fact, comprise a single plate / form of ridge or several aligned in series and that, in the latter case, it can be cut transversely to produce ridge individual.
  • the length of an individual ridge is 100 cm, its width is 48.5 cm, the amplitude of the round 13 is 38 mm and the amplitude of the wave 15 is 15 mm.
  • the flutes 16 are made in pairs, the two parallel flutes of the pair are separated by 83 mm and the extreme flute is 68 mm from the edge width of the ridge.
  • the flutes are elongated in the direction of the length of the continuous cellulose mattress, that is to say in the direction of movement of the continuous cellulose mattress in the second machine.
  • This undulator consists of two parallel shafts driven in rotation in the same direction and wave bars 23 causing an undulatory movement of the bars to achieve roundings and waves which are elongated transversely, according to the width of the continuous mattress of cellulose.
  • the continuous cellulose mat is formed and panels are cut in said continuous formed mat. If necessary, the final drying of the cellulose is carried out before impregnation with the bitumen of the panels.
  • the bitumen impregnated panels then pass into a third cutting machine which is shown on the Figures 2 and 3 .
  • the continuous continuous cellulose mattress was cut into individual panels and it is these individual panels, impregnated with bitumen, which enter said third machine for cutting.
  • it is the panels which are impregnated with hot bitumen and the continuous mat formed is therefore cut into panels before impregnation of bitumen.
  • the cellulose panels which comprise plates / ridge shapes following the shaping of the continuous cellulose mat and its cutting into panels, are dried before being impregnated with bitumen.
  • the panels are oriented so that the roundings and waves that were transverse along the continuous mattress 19 of cellulose following forming in the second machine, are, on the panel impregnated with bitumen, longitudinal, that is to say in the direction of movement of the impregnated bitumen panel in the third machine.
  • the panels in question which are impregnated with bitumen, therefore comprise several plates / ridge shapes arranged in series and in parallel and the third machine will separate these plates / ridge shapes.
  • the first cut 4, upstream cut, on the left side of Figures 2 , 3 is longitudinal to obtain subassemblies / strips of factière (s) and the second cutout 5, further downstream, on the right side, is transverse to obtain individual ridge.
  • the panels 10 circulate on rolling means 9 and are driven by drive means in this third machine.
  • the longitudinal cut 4, upstream cut, of the bitumen-impregnated panel is made between the waves, along the line 18 ( Figures 4 and 5 ) of the panel comprising the plates / ridge shapes.
  • This longitudinal cut is performed by a rotary circular knife 6 and it allows to obtain subsets of ridge (s). For a panel corresponding to that of the Figure 5 we obtain two subsets each corresponding to a well 11a, 11b of great length.
  • this transversal cut is optional by the removable qualifier for the second cutting station and it is well understood that according to the structure of this second cutting station, the absence of cutting can be obtained by a non-operation of the second station cutting freely passing the subassemblies / ridge bands (s) and / or a retraction of the second cutting station.
  • the present invention is not limited to the particular embodiments which have just been described, but extends to all variants and equivalents in accordance with its spirit.
  • the invention can be declined according to many other possibilities without departing from the scope defined by the description and the claims.
  • the number of plates / ridge shapes on a series alignment (corresponding to a subset / ridge strip (s)) of a panel can be adapted to the needs / machines available between a single plate / form or more plates / ridge forms, in series, along the ridge subassembly (s), typically two ridge shapes / plates in series as shown Figure 4 .
  • the number of juxtapositions in parallel of plates / ridge shapes of a panel can be adapted to the needs / machines available between one or more juxtapositions in parallel, typically a single juxtaposition (corresponding to two subsets of ridge ( s) parallel to each other on the panel) as shown on the Figures 4 and 5 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Textile Engineering (AREA)
  • Floor Finish (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Moulding By Coating Moulds (AREA)
  • Finishing Walls (AREA)
  • Reinforced Plastic Materials (AREA)
  • Road Paving Structures (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The method involves making a dried bitumen impregnated cellulose panel (10) in a form of a section unit of cross-section, where ridge tiles (12a-12d) include transverse ribs (16) being formed in vicinity of longitudinal ends (21) of the panel and on two sides of virtual transverse separation line (17) extending between the longitudinal edges of the panel. The panel is cut along a longitudinal line of cut situated between juxtaposed ridge tile sections between downwardly concave corrugations (15) of ridge tile plates to form ridge tile subassemblies/strips including ridge tile. Independent claims are also included for the following: (1) a machine for cutting a cellulose panel (2) a shaping machine for making a cellulose panel.

Description

La présente invention concerne un procédé de fabrication de faîtières en cellulose imprégnée de bitume ainsi que des machines de fabrication de telles faîtières.The present invention relates to a process for manufacturing ridge made of cellulose impregnated with bitumen as well as machines for manufacturing such ridge.

Les éléments de couverture en cellulose imprégnée de bitume sont connus de longue date. Ils sont réalisés à partir d'une composition aqueuse de fibres de cellulose qui est séchée, traitée, conformée et imprégnée de bitume à chaud. On en connaît de divers types comme les panneaux ondulés et leurs accessoires comme les faîtières.Roofing elements made of cellulose impregnated with bitumen have been known for a long time. They are made from an aqueous composition of cellulose fibers which is dried, treated, shaped and impregnated with hot bitumen. Various types such as corrugated panels and their accessories such as ridge boards are known.

Les éléments de type panneau ondulé présentent l'avantage de pouvoir être réalisés au moins dans leur plus grande partie par des procédés en continu à partir d'un matelas continu de cellulose de densité suffisante pour le rendre stable dans le processus de fabrication des éléments de couverture. Cette stabilité résulte du fait que le matelas continu de cellulose est au moins partiellement séché lorsqu'il est travaillé.The elements of the corrugated panel type have the advantage of being able to be made at least in their majority by continuous processes from a continuous mattress of cellulose of sufficient density to make it stable in the manufacturing process of the elements of the corrugated board. blanket. This stability results from the fact that the continuous cellulose mat is at least partially dried when it is worked.

La présente invention concerne plus spécifiquement l'optimisation de la fabrication des faîtières.The present invention relates more specifically to optimization of the manufacture of ridge.

Les procédés classiques de fabrication des faîtières en cellulose imprégnée de bitume sont d'un rendement relativement faible car une étape de traitement en discontinu avec pressage dans un moule d'une plaque individuelle de cellulose est mise en oeuvre. Il en résulte également des manipulations relativement importantes des éléments traités du fait qu'ils sont sous forme de plaques individuelles.Conventional processes for manufacturing ridge made of cellulose impregnated with bitumen are of relatively low yield because a batch treatment step with pressing in a mold of an individual cellulose plate is carried out. This also results in relatively large manipulations of the treated elements because they are in the form of individual plates.

Une des difficultés rencontrées dans la mise en oeuvre d'un processus en continu est la nécessité du découpage du matelas continu de cellulose en éléments de couverture individuels. Or, ce découpage peut être source de problèmes notamment lorsque le matelas à découper est déjà imprégné de bitume et/ou qu'il présente une surface ou un contour de forme courbe. Il en résulte notamment des risques d'encrassage des machines de découpe et/ou de déformation des éléments de couverture.One of the difficulties encountered in implementing a continuous process is the need to cut the continuous cellulose mat into individual cover elements. However, this cutting can cause problems especially when the cutting mat is already impregnated with bitumen and / or has a curved surface or contour. This results in particular risks of fouling cutting machines and / or deformation of the cover elements.

Il est donc proposé la mise en oeuvre de machines et des procédés qui optimisent la fabrication des faîtières et qui autorisent une certaine polyvalence dans les types de faîtière obtenus.It is therefore proposed the implementation of machines and processes that optimize the manufacture of ridge and allow a certain versatility in the types of ridge obtained.

C'est ainsi que l'invention concerne un procédé de fabrication de faîtières en cellulose imprégnée de bitume, chaque faîtière ayant une forme générale de plaque de faîtière profilée dont la section transversale est symétrique par rapport à un plan longitudinal vertical médian et comporte un arrondi central concave vers le bas se poursuivant de chaque côté, latéralement, par un plat se terminant par une onde concave vers le bas, ladite faîtière comportant en outre à chacune de ses extrémités longitudinales une série de cannelures transversales.Thus, the invention relates to a process for manufacturing ridge made of cellulose impregnated with bitumen, each ridge having a general shape profiled ridge plate whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a rounded central concave downward continuing on each side, laterally, by a dish ending in a concave wave downward, said ridge further comprising at each of its longitudinal ends a series of transverse flutes.

Selon l'invention, on réalise un panneau de cellulose mis en forme, séché et imprégné de bitume, le panneau ayant une forme de profilé dont la section transversale est formée par la juxtaposition d'au moins deux sections transversales chacune identique à celle de ladite plaque de faîtière et des séries de cannelures transversales étant ménagées au voisinage des deux extrémités longitudinales du panneau et de part et d'autre d'au moins une ligne de séparation transversale fictive étendue entre les deux bords longitudinaux du panneau, et en ce qu'on découpe le panneau mis en forme, séché et imprégné de bitume, suivant une ligne de découpe longitudinale située entre les sections de faîtières juxtaposées, entre les ondes des plaques de faîtières, afin de former au moins deux sous-ensembles de faîtière(s) comportant chacune au moins une faîtière.According to the invention, a cellulose board is formed, dried and impregnated with bitumen, the panel having a profile shape whose cross section is formed by the juxtaposition of at least two cross sections each identical to that of said Ridge plate and series of transverse grooves being formed in the vicinity of the two longitudinal ends of the panel and on either side of at least one imaginary transverse dividing line extended between the two longitudinal edges of the panel, and in that the shaped, dried panel is cut out and impregnated with bitumen, along a longitudinal cutting line located between the juxtaposed ridge sections, between the waves of the ridge plates, to form at least two ridge subsets (s) each having at least one ridge.

Plus généralement, pour fabriquer des faîtières en cellulose imprégnée de bitume, chaque faîtière ayant une forme allongée et symétrique par rapport à sa ligne médiane sur sa longueur et comportant médianement un arrondi concave vers le bas se poursuivant de chaque côté, latéralement, par un plat se terminant par une onde concave vers le bas, ladite faîtière comportant en outre à chacune de ses extrémités de la longueur une série de cannelures transversales, on réalise un panneau de cellulose mis en forme, séché et imprégné de bitume, ledit panneau comportant un ensemble de formes de faîtières, d'une part, alignées, en série, dans un premier sens du panneau (chaque alignement formant un sous ensemble de faîtières) et, d'autre part, juxtaposées parallèlement entre elles dans l'autre sens du panneau (les sous-ensembles de faîtières étant disposés en parallèles), onde contre onde, et on découpe entre elles lesdites formes dans une machine de découpe.More generally, to manufacture ridge made of cellulose impregnated with bitumen, each ridge having an elongated shape and symmetrical about its median line along its length and having a median concave rounded downwards continuing on each side, laterally, by a flat ending with a downward concave wave, said ridge further comprising at each of its length ends a series of transverse flutes, a shaped, dried and impregnated cellulose board is formed, said panel comprising a set of ridge shapes, on the one hand, aligned in series, in a first direction of the panel (each alignment forming a subset of ridge) and, on the other hand, juxtaposed parallel to each other in the other direction of the panel ( the sub-assemblies of ridge being arranged in parallel), wave against wave, and are cut between them said forms in a machine de décou pe.

Dans divers modes de mise en oeuvre de l'invention, les moyens suivants pouvant être utilisés seuls ou selon toutes les combinaisons techniquement possibles, sont employés :

  • des plaques de faîtières sont en outre alignées sur la longueur du panneau, chaque alignement formant un sous-ensemble (pouvant aussi être qualifiée de bande) de faitière(s),
  • une première découpe du panneau est effectuée dans le sens de la longueur, entre les ondes, afin de former au moins deux sous-ensembles de faîtière(s),
  • on réalise la découpe longitudinale du panneau dans un premier temps et sur un premier poste de découpe, avec au moins un couteau à disque rotatif afin de former au moins deux sous-ensembles de faîtière(s),
  • une seconde découpe est effectuée sur les sous-ensembles (ou bandes) de faitières, transversalement, entre les plaques de faîtières, afin d'obtenir des faîtières individuelles,
  • dans un deuxième temps et sur un second poste de découpe, on découpe en une seule opération lesdits au moins deux sous-ensembles de faîtières obtenus dans le premier temps, cette seconde découpe étant réalisée suivant une direction transversale, le long de la/des lignes de séparation transversales fictives,
  • le second poste de découpe est rendu amovible afin de pouvoir produire soit des faîtières d'une première longueur en l'absence de second temps, soit des faîtières d'une deuxième longueur, inférieure à la première longueur, en présence du second temps,
  • la découpe transversale du second poste de découpe est réalisée au moyen d'une cisaille guillotine à forme et contre-forme coupantes,
  • pour un panneau donné, le premier temps et le second temps se recouvrent partiellement, la découpe longitudinale entre les sous-ensembles de faîtières n'étant pas terminée lorsque les sous-ensembles de faîtières sont coupés transversalement pour produire des plaques de faîtières individuelles de seconde longueur,
  • pour un panneau donné, le premier temps et le second temps ne se recouvrent pas,
  • la forme et la contre-forme coupantes ont des formes correspondant aux formes des sections transversales des plaques de faîtières avec pour chacune leurs arrondi, plats et ondes,
  • on met en oeuvre une machine de découpe comportant le premier poste de découpe et le second poste de découpe amovible,
  • le panneau de cellulose mis en forme, séché et imprégné de bitume, comportant un ensemble de plaques de faîtière comporte au moins deux plaques de faîtière par sous-ensemble de faîtières,
  • le panneau de cellulose mis en forme, séché et imprégné de bitume, comportant un ensemble de plaques de faîtière comporte deux plaques de faîtière par sous-ensemble de faîtières,
  • les panneaux mesurent approximativement 1 m x 2 m,
  • un sous-ensemble de faîtières de deux plaques de faitières mesure approximativement 2 m x 0,5 m,
  • une plaque de faîtière individuelle mesure approximativement 1 m x 0,5 m,
  • le panneau de cellulose mis en forme, séché et imprégné de bitume, comportant un ensemble de plaques de faîtière comporte au moins deux sous-ensembles de faîtière(s), les sous-ensembles de faîtière(s) étant parallèles entre eux,
  • le panneau de cellulose mis en forme, séché et imprégné de bitume, comportant un ensemble de plaques de faîtière comporte deux sous-ensembles de faîtière(s), les sous-ensembles de faîtière(s) étant parallèles entre eux,
  • on met en oeuvre une machine de découpe pour un panneau de cellulose mis en forme, séché et imprégné de bitume qui comporte deux plaques de faîtières par sous-ensemble de faîtières et deux sous-ensembles de faîtières par panneau, les sous-ensembles de faîtières étant parallèles entre eux,
  • on met en oeuvre une machine de formage en continu à partir d'un matelas continu de cellulose au moins partiellement séché, qui comporte, en amont, un premier poste de réalisation des cannelures sur le matelas continu de cellulose dans un premier sens dudit matelas continu et, en aval, un second poste de réalisation des arrondis et des ondes sur le matelas continu de cellulose dans le second sens dudit matelas continu, ledit matelas continu de cellulose formé étant ensuite découpé en panneaux après le formage dans ladite machine de formage,
  • le premier poste de réalisation des cannelures sur le matelas continu de cellulose comporte des moyens de commande permettant de réaliser ou non selon la commande les séries de cannelures transversales de part et d'autre de ladite au moins une ligne de séparation transversale fictive étendue entre les deux bords longitudinaux du panneau,
  • le premier poste de réalisation des cannelures sur le matelas continu de cellulose comporte des moyens de commande permettant de modifier le nombre de cannelures d'une série de cannelures pour les séries de cannelures transversales de part et d'autre de ladite au moins une ligne de séparation transversale fictive étendue entre les deux bords longitudinaux du panneau,
  • on ne réalise pas de cannelure de chaque côté, c'est-à-dire de part et d'autre, de chaque ligne de séparation transversale fictive, lorsque la découpe transversale le long de la ligne de séparation transversale fictive ne sera pas effectuée,
  • une série de cannelures comporte une seule cannelure,
  • on réalise une seule cannelure de chaque côté, c'est-à-dire de part et d'autre, de chaque ligne de séparation transversale fictive, notamment lorsque la découpe transversale le long de la ligne de séparation transversale fictive ne sera pas effectuée,
  • une série de cannelures comporte deux cannelures parallèles entre elles,
  • le sens des cannelures est dans la longueur du matelas continu de cellulose,
  • le sens des arrondis et ondes est dans la largeur du matelas continu de cellulose,
  • le procédé comporte une étape d'enduction avec un composé d'enduction du matelas continu de cellulose avant passage dans la machine de formage,
  • le composé d'enduction comporte une résine réticulable,
  • la résine réticulable est réticulée par chauffage,
  • le chauffage de la résine réticulable a lieu avant formage,
  • le chauffage de la résine réticulable a lieu après formage,
  • le composé d'enduction comporte un pigment,
  • l'enduction est effectuée d'un seul côté du matelas continu de cellulose,
  • l'enduction est effectuée du côté du matelas continu de cellulose destiné à être sur le dessus de la toiture dans l'élément de couverture,
  • l'étape d'enduction est effectuée avec enduction de la face inférieure du matelas continu de cellulose,
  • l'enduction est effectuée des deux côtés du matelas continu de cellulose,
  • le procédé comporte une étape d'imprégnation de bitume du panneau après découpage en panneaux du matelas continu de cellulose ayant été formé dans ladite machine de formage,
  • le procédé comporte en outre une étape de séchage final du panneau formé avant l'étape d'imprégnation de bitume,
  • l'imprégnation de bitume du panneau s'effectue à chaud,
  • le procédé comporte en outre une étape de refroidissement après l'étape d'imprégnation de bitume du panneau formé.
In various embodiments of the invention, the following means can be used alone or in any technically possible combination, are employed:
  • ridge plates are further aligned along the length of the panel, each alignment forming a subset (which may also be described as a strip) of factière (s),
  • a first cut of the panel is made in the direction of the length, between the waves, in order to form at least two subassemblies of ridge (s),
  • the longitudinal cutting of the panel is carried out in a first step and on a first cutting station, with at least one rotating disk knife in order to form at least two subassemblies of ridge (s),
  • a second cut is made on the subsets (or bands) of factieres, transversely, between the ridge plates, in order to obtain individual ridge,
  • in a second step and on a second cutting station, said at least two ridge subassemblies obtained in the first step are cut in a single operation, this second cut being made in a transverse direction along the line (s); fictitious transversal separation
  • the second cutting station is made removable in order to produce either ridge of a first length in the absence of second time or ridge a second length, less than the first length, in the presence of the second beat,
  • the transverse cutting of the second cutting station is carried out by means of a guillotine shear with a sharp shape and against-shape,
  • for a given panel, the first beat and the second beat partially overlap, the longitudinal cut between the ridge subsets not being completed when the ridge subsets are cut transversely to produce individual ridge plates of second length,
  • for a given panel, the first beat and the second beat do not overlap,
  • the form and the counter-form cut have shapes corresponding to the shapes of the cross-sections of the ridge plates with for each their rounded, flat and waves,
  • a cutting machine is used comprising the first cutting station and the second removable cutting station,
  • the shaped, dried and impregnated bitumen-formed cellulose board having a ridge board assembly has at least two ridge boards per ridge subassembly,
  • the shaped, dried and impregnated bitumen-containing cellulose board having a ridge board assembly comprises two ridge boards per ridge subassembly,
  • the panels measure approximately 1 mx 2 m,
  • a subset of ridge racks of two ridge plates is approximately 2 mx 0.5 m,
  • an individual ridge board is approximately 1m x 0.5m,
  • the shaped, dried and impregnated bitumen-shaped cellulose board comprising a set of ridge plates comprises at least two ridge sub-assemblies (s), the ridge sub-assemblies being parallel to each other,
  • the formed, dried and impregnated bitumen-shaped cellulose board having a set of ridge plates comprises two ridge sub-assemblies (s), the ridge subassemblies being parallel to each other,
  • a cutting machine is used for a shaped, dried and impregnated bitumen-shaped cellulose board which has two ridge plates per ridge sub-assembly and two ridge sub-assemblies per panel, the ridge sub-assemblies. being parallel to each other,
  • a continuous forming machine is used from a continuous mat of at least partially dried cellulose, which comprises, upstream, a first station for producing grooves on the continuous cellulose mat in a first direction of said continuous mattress and, downstream, a second station for producing roundings and waves on the continuous cellulose mat in the second direction of said continuous mattress, said continuous cellulosic mat formed then being cut into panels after forming in said forming machine,
  • the first station for producing grooves on the continuous cellulose mat comprises control means making it possible to produce or not according to the order the series of transverse flutes on either side of the said at least one fictitious transversal separation line extended between the two longitudinal edges of the panel,
  • the first spline production station on the continuous cellulose mat comprises control means making it possible to modify the number of splines of a series of splines for the series of transverse splines on either side of said at least one line of fictitious transversal separation extended between the two longitudinal edges of the panel,
  • no spline is made on each side, that is to say on either side, of each fictitious transverse splitting line, when the transverse cut along the imaginary transverse splitting line will not be carried out,
  • a series of flutes has a single flute,
  • a single groove is made on each side, that is to say on either side, of each imaginary transversal separation line, in particular when the transverse cut along the fictitious transverse separation line will not be performed,
  • a series of grooves has two grooves parallel to each other,
  • the direction of the grooves is in the length of the continuous mattress of cellulose,
  • the direction of the roundings and waves is in the width of the continuous mattress of cellulose,
  • the process comprises a step of coating with a coating compound of the continuous cellulose mat before passing through the forming machine,
  • the coating compound comprises a crosslinkable resin,
  • the crosslinkable resin is crosslinked by heating,
  • the heating of the crosslinkable resin takes place before forming,
  • the heating of the crosslinkable resin takes place after forming,
  • the coating compound comprises a pigment,
  • the coating is carried out on one side of the continuous cellulose mattress,
  • the coating is carried out on the side of the continuous mattress of cellulose intended to be on the top of the roof in the covering element,
  • the coating step is carried out with coating of the underside of the continuous cellulose mattress,
  • the coating is carried out on both sides of the continuous cellulose mattress,
  • the method comprises a bitumen impregnation step of the panel after cutting into panels of the continuous cellulose mat having been formed in said forming machine,
  • the method further comprises a final drying step of the panel formed before the bitumen impregnation step,
  • bitumen impregnation of the panel is carried out hot,
  • the method further comprises a cooling step after the bitumen impregnation step of the formed panel.

L'invention concerne également une machine de découpe d'un panneau de cellulose mis en forme, séché et imprégné de bitume destiné à produire des faitières, le panneau ayant une forme de profilé dont la section transversale est formée par la juxtaposition d'au moins deux sections transversales chacune identique à celle d'une plaque de faîtière et des séries de cannelures transversales étant ménagées au voisinage des extrémités longitudinales du panneau et de part et d'autre d'au moins une ligne de séparation transversale fictive étendue entre les deux bords longitudinaux du panneau, chaque faîtière ayant une forme générale profilée dont la section transversale est symétrique par rapport à un plan longitudinal vertical médian et comporte un arrondi central concave vers le bas se poursuivant de chaque côté, latéralement, par un plat se terminant par une onde concave vers le bas.The invention also relates to a machine for cutting a shaped, dried and impregnated bitumen-forming cellulose board for producing ridge-shaped sheets, the panel having a profile shape whose cross-section is formed by the juxtaposition of at least two transverse sections each identical to that of a ridge plate and series of transverse grooves being formed in the vicinity of the longitudinal ends of the panel and on either side of at least one imaginary transverse line of separation extended between the two edges longitudinal members of the panel, each ridge having a generally profiled shape whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a concave central rounded downward continuing on each side, laterally, by a flat ending in a wave concave down.

Ladite machine de découpe est spécialement configurée pour mise en oeuvre dans le procédé de fabrication de faîtières en cellulose imprégnée de bitume de l'invention, et elle comporte :

  • un premier poste de découpe dans lequel, dans un premier temps, le panneau peut être découpé dans le sens de la longueur avec au moins un couteau à disque rotatif suivant une ligne de découpe longitudinale située entre les sections de faîtières juxtaposées, entre les ondes des plaques de faîtières, afin de former au moins deux sous-ensembles de faîtière(s) comportant chacun au moins une faîtière, et
  • un second poste de découpe dans lequel, dans un second temps, lesdites au moins deux sous-ensembles de faîtières dudit panneau et obtenus dans le premier temps peuvent être découpés en une seule opération suivant une direction transversale, le long de la/des lignes de séparation transversales fictives, avec au moins une cisaille guillotine à forme et contre-forme coupantes,
  • le second poste de découpe étant amovible afin de pouvoir produire soit des faîtières d'une première longueur en l'absence de second temps, soit des faîtières d'une deuxième longueur, inférieure à la première longueur, en présence du second temps.
Said cutting machine is specially configured for use in the process of making ridge made of bitumen impregnated cellulose of the invention, and it comprises:
  • a first cutting station in which, in a first step, the panel can be cut lengthwise with at least one rotary disk knife along a longitudinal cutting line between the juxtaposed ridge sections between the waves of the ridge plates, to form at least two subsets of ridge (s) each having at least one ridge, and
  • a second cutting station in which, in a second step, said at least two ridge subsets of said panel and obtained in the first step can be cut in a single operation in a transverse direction, along the line / lines of fictitious transversal separation, with at least one guillotine cutter with a sharp shape and counter-shape,
  • the second cutting station being removable so as to produce either ridge of a first length in the absence of second time, or ridge of a second length, less than the first length, in the presence of the second time.

L'invention concerne également une machine de formage pour réalisation d'un panneau de cellulose destiné à produire des faîtières et comportant un ensemble de plaques de faîtières disposées, d'une part, en série, dans le premier sens du panneau et, d'autre part, parallèlement entre elles dans l'autre sens du panneau, chaque faîtière ayant une forme générale profilée dont la section transversale est symétrique par rapport à un plan longitudinal vertical médian et comporte un arrondi central concave vers le bas se poursuivant de chaque côté, latéralement, par un plat se terminant par une onde concave vers le bas, ladite faîtière comportant en outre à chacune de ses extrémités longitudinales une série de cannelures transversales.The invention also relates to a forming machine for producing a cellulose panel intended to produce ridge elements and comprising a set of ridge plates arranged, on the one hand, in series, in the first direction of the panel and, on the other hand, on the other hand, parallel to each other in the other direction of the panel, each ridge having a generally profiled shape whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a concave central rounded downwards continuing on each side, laterally, by a dish ending in a concave downward wave, said ridge further comprising at each of its longitudinal ends a series of transverse flutes.

Ladite machine de formage est spécialement configurée pour mise en oeuvre dans le procédé de fabrication de faîtières en cellulose imprégnée de bitume de l'invention, et elle comporte, en amont, un premier poste de réalisation des cannelures sur un matelas continu de cellulose dans un premier sens dudit matelas continu et, en aval, un second poste de réalisation des arrondis et des ondes de chaque plaque de faîtière dans le second sens dudit matelas continu.Said forming machine is specially configured for use in the method of manufacturing ridge made of bitumen-impregnated cellulose of the invention, and it comprises, upstream, a first station for producing grooves on a continuous mattress of cellulose in a first direction of said continuous mattress and, downstream, a second embodiment of the roundings and waves of each ridge plate in the second direction of said continuous mattress.

Dans ladite machine de formage, le premier sens, celui des cannelures, est longitudinal, c'est à dire sur la longueur du matelas continu de cellulose, dans sa direction de déplacement, les cannelures étant allongées longitudinalement sur ledit matelas continu. Toujours dans ladite machine de formage, le second sens, celui des arrondis et ondes, est transversal, c'est à dire sur la largeur du matelas continu de cellulose, les arrondis et ondes étant allongés sur la largeur dudit matelas.In said forming machine, the first direction, that of the grooves, is longitudinal, that is to say the length of the continuous cellulose mattress, in its direction of movement, the grooves being elongated longitudinally on said continuous mattress. Still in said forming machine, the second direction, that of roundings and waves, is transverse, that is to say on the width of the continuous mattress of cellulose, the rounded and waves being elongated over the width of said mattress.

La présente invention, sans qu'elle en soit pour autant limitée, va maintenant être exemplifiée avec la description qui suit de modes de réalisation et de mise en oeuvre en relation avec :

  • la Figure 1 qui représente une vue latérale simplifiée d'un système d'enduction puis de formage à rouleau-contre rouleau et ondulatrice, d'un matelas continu de cellulose,
  • la Figure 2 qui représente une vue latérale simplifiée d'un système de découpes longitudinale et transversale,
  • la Figure 3 qui représente une vue en perspective de dessus, latéralement et aval d'un système de découpes longitudinale et transversale,
  • la Figure 4 qui représente en perspective un panneau formé, imprégné de bitume, avant son découpage permettant de former deux sous-ensembles ou bandes de faîtières (donc des faîtières de première longueur) ou, alors, quatre faîtières individuelles (donc des faîtières de seconde longueur) si les sous-ensembles ou bandes de faîtières sont découpées transversalement, et
  • la Figure 5 qui représente en perspective un panneau formé, imprégné de bitume, avant son découpage permettant de former deux sous-ensembles de faîtière qui ne seront pas découpés transversalement (permettant donc de former deux faîtières de première longueur).
The present invention, without it being so limited, will now be exemplified with the following description of embodiments and implementation in relation to:
  • the Figure 1 which represents a simplified side view of a coating system followed by roll-to-roll and inverter forming, of a continuous cellulose mat,
  • the Figure 2 which represents a simplified side view of a longitudinal and transverse cut system,
  • the Figure 3 which represents a perspective view from above, laterally and downstream of a longitudinal and transverse cut system,
  • the Figure 4 which represents in perspective a formed panel, impregnated with bitumen, before its cutting to form two subsets or strips of ridge (thus ridge of first length) or, then, four individual ridge (thus ridge of second length) if the subsets or bands of ridge are cut transversely, and
  • the Figure 5 which represents in perspective a formed panel, impregnated with bitumen, before its cutting to form two ridge subassemblies which will not be cut transversely (thus making it possible to form two ridge of first length).

L'invention est destinée à être mise en oeuvre dans un processus de fabrication de faîtières en cellulose imprégnée de bitume qui comporte les étapes principales suivantes :

  • réalisation d'un matelas continu de cellulose d'une certaine épaisseur et qui est au moins partiellement séchée pour qu'elle puisse se tenir tout en passant dans les étapes suivantes,
  • enduction du matelas continu de cellulose par une substance d'enduction, typiquement une résine et un éventuel pigment,
  • formage du matelas continu de cellulose dans une machine de formage pour obtenir d'abord des cannelures puis des arrondis et des ondes correspondant à des formes de faîtières,
  • éventuel séchage du matelas continu de cellulose formé,
  • découpage du matelas continu de cellulose formé en panneaux,
  • éventuel séchage des panneaux,
  • imprégnation des panneaux par du bitume à chaud,
  • découpe dans une machine de découpe de chaque panneau imprégné de bitume en sous-ensembles/bandes de faîtière(s) et, éventuellement, découpe des sous-ensembles/bandes de faîtières en faîtières individuelles.
The invention is intended to be implemented in a manufacturing process ridge made of cellulose impregnated with bitumen which comprises the following main steps:
  • producing a continuous mattress of cellulose of a certain thickness and which is at least partially dried so that it can stand while passing in the following stages,
  • coating the continuous cellulose mat with a coating substance, typically a resin and a possible pigment,
  • forming the continuous cellulose mattress in a forming machine to first obtain grooves and then roundings and waves corresponding to ridge shapes,
  • possible drying of the continuous cellulose mat formed,
  • cutting of the continuous cellulose mat formed into panels,
  • possible drying of the panels,
  • impregnation of the panels with hot bitumen,
  • cutting into a cutting machine of each bitumen-impregnated panel into subsets / ridge strips (s) and, optionally, cutting subsets / ridge strips into individual ridge.

De préférence, entre le formage et l'imprégnation par le bitume, au moins une étape de séchage est mise en oeuvre par chauffage, ce qui permet également de polymériser la substance d'enduction.Preferably, between the forming and the impregnation with the bitumen, at least one drying step is carried out by heating, which also makes it possible to polymerize the coating substance.

De préférence, après l'imprégnation par le bitume, une étape de refroidissement du panneau imprégné est mise en oeuvre.Preferably, after the impregnation with the bitumen, a step of cooling the impregnated panel is carried out.

Chaque plaque profilée de faîtière a la forme suivante que l'on peut retrouver sur les Figures 4 et 5 : elle est symétrique par rapport à son plan médian sur sa longueur avec, sur la ligne médiane correspondante un arrondi 13 concave vers le bas se poursuivant de chaque côté, latéralement, par un plat 14 se terminant par une onde 15 concave vers le bas, ladite faîtière comportant en outre à chacune de ses deux extrémités 21 de la longueur une série de cannelures 16 transversales s'étendant d'une onde à l'autre. Ces cannelures sont destinées à se chevaucher entre faîtières lors de la pose des faîtières afin d'améliorer l'étanchéité de la couverture.Each profiled ridge plate has the following shape that can be found on Figures 4 and 5 it is symmetrical with respect to its median plane over its length with, on the corresponding median line, a rounded downward concave curve 13 continuing on either side, laterally, by a plate 14 ending in a concave wave downwards, said ridge further comprising at each of its two ends 21 of length a series of transverse flutes 16 extending from one wave to another. These grooves are intended to overlap between ridge during the installation of the ridge to improve the tightness of the cover.

Sur chaque panneau imprégné de bitume 10, les plaques de faîtières (ou plus généralement les formes de faîtières individuelles) sont alignées à la fois en série le long de sous-ensembles/bandes de faitières et juxtaposées en parallèle entre elles formant sur le panneau des sous-ensembles (bandes) de faîtières adjacents et parallèles entre eux. En pratique, un sous-ensemble ou bande de faîtière(s) peut comporter une seule ou plusieurs plaques/formes de faîtières alignées. Ainsi, deux sous-ensembles de faitières adjacents et donc parallèles, se réunissent le long 18 des ondes correspondantes de chacune des plaques de faitières desdits sous-ensembles de faîtières. Pour obtenir des sous-ensembles/bandes de faîtière(s), on découpe le panneau 10 entre 18 lesdites ondes, dans le sens de la longueur du panneau. Pour obtenir des faîtières individuelles, on découpe chaque sous-ensemble/bande de faîtières transversalement, dans sa largeur, en suivant la ligne de séparation transversale virtuelle 17 entre deux plaques ou formes de faîtières alignées dudit sous-ensemble de faîtières. Cette ligne de séparation transversale virtuelle 17 est étendue entre les deux bords longitudinaux 20 du panneau 10 et elle est dite virtuelle car elle sert à expliquer l'endroit où l'éventuelle découpe transversale des sous-ensembles/bandes de faîtières se fera si elle doit être faite.On each panel impregnated with bitumen 10, the ridge plates (or more generally the individual ridge shapes) are aligned both in series along sub-assemblies / strips of factories and juxtaposed in parallel between them forming on the panel subassemblies (bands) of ridge adjacent and parallel to each other. In practice, a subset or ridge strip (s) may comprise one or more plates / ridge shapes aligned. Thus, two subsets of adjacent and therefore parallel wells, meet along the corresponding waves of each of the ridge plates of said ridge subsets. To obtain subsets / ridge strips (s), the panel 10 is cut between 18 said waves, in the direction of the length of the panel. In order to obtain individual rims, each subassembly / ridge strip is cut transversely across its width, following the virtual transverse separation line 17 between two aligned ridge plates or forms of said ridge subset. This virtual transverse separation line 17 is extended between the two longitudinal edges 20 of the panel 10 and is said to be virtual because it serves to explain where the possible cross-section of the subassemblies / ridge bands will be made if it is to be made.

Les découpes du panneau 10 pour obtenir des sous-ensembles/ bandes de faîtière(s) et pour obtenir des faîtières individuelles se font donc dans des directions perpendiculaires entre elles. L'invention permet, au choix, l'obtention de sous-ensembles/bandes de faîtières 11 a, 11 b, qui sont donc des éléments de couverture de grande longueur correspondant à la première longueur, grande longueur qui est typiquement multiple d'une longueur de faîtière individuelle, et/ou l'obtention de faîtières individuelles 12a, 12b, 12c, 12d. Dans une variante représentée Figure 5, lorsqu'on souhaite seulement produire des sous-ensembles/bandes de faîtière de première longueur (donc en absence de découpe transversale le long de la ligne de séparation transversale virtuelle 17), on ne réalise pas les cannelures entre les plaques/formes de faîtières des sous-ensembles/bandes. Dans une autre variante de production de sous-ensembles/bandes de faîtière (donc en absence de découpe transversale), on ne réalise que deux cannelures entre les plaques/formes de faîtières d'un sous-ensemble de faîtières au lieu de quatre cannelures. Dans encore une autre variante de production de sous-ensembles/bandes de faîtière (donc en absence de découpe transversale), on réalise les quatre cannelures entre les faîtières d'un sous-ensemble de faîtières, soit deux cannelures de chaque côté de la ligne de séparation transversale virtuelle 17.The cutouts of the panel 10 to obtain subsets / strips of ridge (s) and to obtain individual ridge are therefore in directions perpendicular to each other. The invention makes it possible, optionally, to obtain subassemblies / ridge bands 11a, 11b, which are therefore cover elements of great length corresponding to the first length, which is typically a multiple of a long length. individual ridge length, and / or obtaining individual ridge 12a, 12b, 12c, 12d. In a variant represented Figure 5 when it is only desired to produce subassemblies / ridge strips of first length (ie in the absence of transverse cutting along the virtual transverse separation line 17), the splines between the plates / ridge forms are not made. subsets / bands. In another variant of production of subassemblies / ridge bands (thus in the absence of transverse cutting), only two splines are made between the plates / ridge shapes of a sub-assembly of ridge instead of four splines. In yet another variant of subassembly / ridge band production (thus in the absence of transverse cutting), the four flutes are made between the ridge members of a sub-assembly of ridge caps, ie two grooves on each side of the line. virtual transverse separation 17.

Dans tous les cas, le panneau comporte au moins deux séries de cannelures 16 transversales et ces deux séries de cannelures correspondent à celles réalisées aux extrémités 21 du panneau.In all cases, the panel comprises at least two sets of transverse flutes 16 and these two series of flutes correspond to those made at the ends 21 of the panel.

On comprend qu'un sous-ensemble/bande de faîtière(s) peut, en fait, comporter une seule plaque/forme de faitière ou plusieurs alignées en série et que, dans ce dernier cas, elle peut être découpée transversalement pour produire des faîtières individuelles. Ces différentes possibilités dépendent notamment de la taille que l'on a choisie pour chaque plaque/forme de faitière (qui correspond à une faîtière individuelle) et de la largeur du matelas continu de cellulose qui sera formé par la machine de formage.It is understood that a subassembly / ridge strip (s) may, in fact, comprise a single plate / form of ridge or several aligned in series and that, in the latter case, it can be cut transversely to produce ridge individual. These different possibilities depend in particular on the size which has been chosen for each plate / form of factière (which corresponds to an individual ridge) and the width of the continuous mattress of cellulose which will be formed by the forming machine.

Dans cet exemple de réalisation, la longueur d'une faîtière individuelle est de 100 cm, sa largeur est de 48,5 cm, l'amplitude de l'arrondi 13 est de 38 mm et l'amplitude de l'onde 15 est de 15 mm. Les cannelures 16 sont réalisées par paires, les deux cannelures parallèles de la paire sont séparées de 83 mm et la cannelure extrême est à 68 mm du bord de largeur de la faîtière.In this embodiment, the length of an individual ridge is 100 cm, its width is 48.5 cm, the amplitude of the round 13 is 38 mm and the amplitude of the wave 15 is 15 mm. The flutes 16 are made in pairs, the two parallel flutes of the pair are separated by 83 mm and the extreme flute is 68 mm from the edge width of the ridge.

On va maintenant décrire l'installation de la Figure 1 en commençant par la gauche avec l'arrivée d'un matelas continu 19 de cellulose encore humide et qui passe dans une première machine 1 d'enduction de résine et éventuel pigment sur le dessous du matelas continu de cellulose. La résine et l'éventuel pigment pénètrent dans le matelas continu de cellulose. Ensuite, le matelas continu 19 de cellulose passe dans une deuxième machine 2 avec un système à rouleaux 22 et contre-rouleaux 22' afin de réaliser des cannelures/bossages sur ledit matelas continu par une opération de gaufrage. Une partie des rouleaux et des contre-rouleaux est amovible afin de permettre ou non la réalisation de certaines des cannelures selon les besoins. Comme on l'a vu en relation avec la Figure 5, il est possible de réaliser des faîtières allongées (un sous-ensemble avec une faîtière de première longueur) et, dans ce cas, il n'est pas nécessaire d'avoir des cannelures entre deux plaques/formes de faîtières en série comme dans le cas où l'on souhaite produire des faitières individuelles de seconde longueur.We will now describe the installation of the Figure 1 starting from the left with the arrival of a continuous mat 19 of cellulose still wet and which passes into a first resin coating machine 1 and any pigment on the underside of the continuous cellulose mat. The resin and any pigment penetrate the continuous cellulose mat. Then the continuous mattress 19 of cellulose goes into a second machine 2 with a roller system 22 and against-rollers 22 'to make splines / bosses on said continuous mat by an embossing operation. Part of the rollers and against-rollers is removable to allow or not the realization of some of the grooves as needed. As we have seen in relation to the Figure 5 it is possible to make elongated ridge (a subset with a ridge of first length) and, in this case, it is not necessary to have splines between two plates / ridge shapes in series as in the where it is desired to produce individual streams of second length.

Les cannelures sont allongées dans le sens de la longueur du matelas continu de cellulose, c'est à dire dans le sens de déplacement du matelas continu de cellulose dans la deuxième machine.The flutes are elongated in the direction of the length of the continuous cellulose mattress, that is to say in the direction of movement of the continuous cellulose mattress in the second machine.

Ensuite le matelas continu de cellulose traverse la partie ondulatrice 3 de cette deuxième machine. Cette ondulatrice est constituée de deux arbres parallèles entraînés en rotation dans le même sens et de barres ondulatrices 23 provoquant un mouvement ondulatoire des barres pour réaliser des arrondis et ondes qui sont allongés transversalement, selon la largeur du matelas continu de cellulose.Then the continuous cellulose mat passes through the waving portion 3 of this second machine. This undulator consists of two parallel shafts driven in rotation in the same direction and wave bars 23 causing an undulatory movement of the bars to achieve roundings and waves which are elongated transversely, according to the width of the continuous mattress of cellulose.

En sortie de la deuxième machine, le matelas continu de cellulose est formé et des panneaux sont découpés dans ledit matelas continu formé. Si nécessaire, on procède au séchage final de la cellulose avant l'imprégnation par le bitume des panneaux. Les panneaux imprégnés de bitume passent ensuite dans une troisième machine de découpe qui est représentée sur les Figures 2 et 3.At the outlet of the second machine, the continuous cellulose mat is formed and panels are cut in said continuous formed mat. If necessary, the final drying of the cellulose is carried out before impregnation with the bitumen of the panels. The bitumen impregnated panels then pass into a third cutting machine which is shown on the Figures 2 and 3 .

Ainsi, avant l'entrée dans cette troisième machine, le matelas continu de cellulose initialement continu a subi un découpage en panneaux individuels et ce sont ces panneaux individuels, imprégnés de bitume, qui entrent dans ladite troisième machine pour découpe. De préférence, ce sont les panneaux qui sont imprégnés de bitume à chaud et le matelas continu formé est donc découpé en panneaux avant imprégnation de bitume. De préférence, les panneaux de cellulose, qui comportent des plaques/formes de faîtières suite à la mise en forme du matelas continu de cellulose et son découpage en panneaux, sont séchés avant d'être imprégnés de bitume.Thus, before entering this third machine, the continuous continuous cellulose mattress was cut into individual panels and it is these individual panels, impregnated with bitumen, which enter said third machine for cutting. Preferably, it is the panels which are impregnated with hot bitumen and the continuous mat formed is therefore cut into panels before impregnation of bitumen. Preferably, the cellulose panels, which comprise plates / ridge shapes following the shaping of the continuous cellulose mat and its cutting into panels, are dried before being impregnated with bitumen.

Entre la deuxième machine et la troisième machine, les panneaux sont orientés de manière à ce que les arrondis et ondes qui étaient transversaux le long du matelas continu 19 de cellulose suite au formage dans la deuxième machine, soient, sur le panneau imprégné de bitume, longitudinales, c'est-à-dire dans le sens de déplacement du panneau imprégné de bitume dans la troisième machine.Between the second machine and the third machine, the panels are oriented so that the roundings and waves that were transverse along the continuous mattress 19 of cellulose following forming in the second machine, are, on the panel impregnated with bitumen, longitudinal, that is to say in the direction of movement of the impregnated bitumen panel in the third machine.

Les panneaux en question, qui sont imprégnés de bitume, comportent donc plusieurs plaques/formes de faîtières disposées en série et en parallèle et la troisième machine va séparer ces plaques/formes de faîtières. Dans la troisième machine de découpe, la première découpe 4, découpe amont, sur la partie gauche des Figures 2, 3 est longitudinale pour obtenir des sous-ensembles/bandes de faitière(s) et la seconde découpe 5, plus en aval, sur la partie droite, est transversale afin d'obtenir des faîtières individuelles. Les panneaux 10 circulent sur des moyens de roulement 9 et sont entraînés par des moyens d'entraînement dans cette troisième machine.The panels in question, which are impregnated with bitumen, therefore comprise several plates / ridge shapes arranged in series and in parallel and the third machine will separate these plates / ridge shapes. In the third cutting machine, the first cut 4, upstream cut, on the left side of Figures 2 , 3 is longitudinal to obtain subassemblies / strips of factière (s) and the second cutout 5, further downstream, on the right side, is transverse to obtain individual ridge. The panels 10 circulate on rolling means 9 and are driven by drive means in this third machine.

La découpe longitudinale 4, découpe amont, du panneau imprégné de bitume, s'effectue entre les ondes, le long de la ligne 18 (Figures 4 et 5) du panneau comportant les plaques/formes de faîtières. Cette découpe longitudinale est effectuée par un couteau circulaire rotatif 6 et elle permet d'obtenir des sous-ensembles de faîtière(s). Pour un panneau correspondant à celui de la Figure 5 on obtient deux sous-ensembles correspondant chacun à une faitière 11 a, 11 b de grande longueur.The longitudinal cut 4, upstream cut, of the bitumen-impregnated panel is made between the waves, along the line 18 ( Figures 4 and 5 ) of the panel comprising the plates / ridge shapes. This longitudinal cut is performed by a rotary circular knife 6 and it allows to obtain subsets of ridge (s). For a panel corresponding to that of the Figure 5 we obtain two subsets each corresponding to a well 11a, 11b of great length.

La présence des ondes et des arrondis rend difficile une découpe transversale du sous-ensemble de faîtières avec des méthodes traditionnelles et il a donc été mis en oeuvre pour la découpe aval transversale, un système de découpe avec couteau 7 et contre-couteau 7' (visible sur la Figure 2), actionné par des vérins hydrauliques 8 dans un massicot 5. Cette découpe transversale qui s'effectue entre les plaques/formes de faîtières le long de la ligne 17 (Figure 4) est optionnelle : en son absence on obtient des sous-ensembles/bandes de faîtière(s) 11 a 11 b (à partir du panneau de la Figure 5 pour ces références, mais c'est aussi possible à partir du panneau de la Figure 4) qui sont longues et si la découpe transversale est réalisée on obtient des faîtières individuelles 12a, 12b, 12c, 12d (plus particulièrement pour le panneau de la Figure 4) qui sont courtes. On indique que cette découpe transversale est optionnelle par le qualificatif d'amovible pour le second poste de découpe et on comprend bien que selon la structure de ce second poste de découpe, l'absence de découpe peut être obtenue par un non fonctionnement du second poste de découpe laissant passer librement les sous-ensembles/bandes de faîtière(s) et/ou un escamotage de ce second poste de découpe.The presence of waves and roundings makes it difficult to cross cut the subset of ridge with traditional methods and it has therefore been implemented for transverse downstream cutting, a cutting system with knife 7 and counter knife 7 '( visible on the Figure 2 ), actuated by hydraulic cylinders 8 in a cutter 5. This transverse cut that is made between the plates / ridge forms along the line 17 ( Figure 4 ) is optional: in its absence we obtain subsets / bands of ridge (s) 11 to 11 b (from the panel of the Figure 5 for these references, but it's also possible from the panel of the Figure 4 ) which are long and if the transverse cut is made, individual ridge caps 12a, 12b, 12c, 12d are obtained (more particularly for the panel of the Figure 4 ) that are short. It is indicated that this transversal cut is optional by the removable qualifier for the second cutting station and it is well understood that according to the structure of this second cutting station, the absence of cutting can be obtained by a non-operation of the second station cutting freely passing the subassemblies / ridge bands (s) and / or a retraction of the second cutting station.

Bien entendu la présente invention n'est pas limitée aux modes de réalisation particuliers qui viennent d'être décrits, mais s'étend à toutes variantes et équivalents conformes à son esprit. Ainsi, on comprend bien que l'invention peut être déclinée selon de nombreuses autres possibilités sans pour autant sortir du cadre défini par la description et les revendications. Ainsi, le nombre de plaques/formes de faîtières sur un alignement, en série, (correspondant à un sous-ensemble/bande de faîtière(s)) d'un panneau peut être adapté aux besoins/machines disponibles entre une seule plaque/forme ou plusieurs plaques/formes de faîtières, en série, le long du sous-ensemble de faîtière(s), typiquement deux formes/plaques de faîtières en série comme représenté Figure 4. De même, le nombre de juxtapositions en parallèle de plaques/formes de faîtières d'un panneau peut être adapté aux besoins/machines disponibles entre une seule ou plusieurs juxtapositions en parallèle, typiquement une seule juxtaposition (correspondant à deux sous-ensembles de faîtière(s) parallèles entre elles sur le panneau) comme représenté sur les Figures 4 et 5.Naturally, the present invention is not limited to the particular embodiments which have just been described, but extends to all variants and equivalents in accordance with its spirit. Thus, it is clear that the invention can be declined according to many other possibilities without departing from the scope defined by the description and the claims. Thus, the number of plates / ridge shapes on a series alignment (corresponding to a subset / ridge strip (s)) of a panel can be adapted to the needs / machines available between a single plate / form or more plates / ridge forms, in series, along the ridge subassembly (s), typically two ridge shapes / plates in series as shown Figure 4 . Similarly, the number of juxtapositions in parallel of plates / ridge shapes of a panel can be adapted to the needs / machines available between one or more juxtapositions in parallel, typically a single juxtaposition (corresponding to two subsets of ridge ( s) parallel to each other on the panel) as shown on the Figures 4 and 5 .

Claims (13)

Procédé de fabrication de faîtières (11 a, 11 b ; 12a, 12b, 12c, 12d) en cellulose imprégnée de bitume, chaque faîtière ayant une forme générale de plaque de faîtière profilée dont la section transversale est symétrique par rapport à un plan longitudinal vertical médian et comporte un arrondi (13) central concave vers le bas se poursuivant de chaque côté, latéralement, par un plat (14) se terminant par une onde (15) concave vers le bas, ladite faîtière comportant en outre à chacune de ses extrémités longitudinales (21) une série de cannelures (16) transversales,
caractérisé en ce qu'on réalise un panneau (10) de cellulose mis en forme, séché et imprégné de bitume, le panneau (10) ayant une forme de profilé dont la section transversale est formée par la juxtaposition d'au moins deux sections transversales chacune identique à celle de ladite plaque de faîtière et des séries de cannelures transversales étant ménagées au voisinage des deux extrémités longitudinales (21) du panneau et de part et d'autre d'au moins une ligne de séparation transversale fictive (17) étendue entre les deux bords longitudinaux (20) du panneau, et en ce qu'on découpe le panneau (10) mis en forme, séché et imprégné de bitume, suivant une ligne de découpe longitudinale (18) située entre les sections de faîtières juxtaposées, entre les ondes des plaques de faîtières, afin de former au moins deux sous-ensembles de faîtière(s) comportant chacun au moins une faîtière (11 a, 11 b ; 12a, 12b, 12c, 12d).A method of manufacturing ridge-shaped (11a, 11b; 12a, 12b, 12c, 12d) cellulose impregnated with bitumen, each ridge having a generally shaped profiled ridge plate whose cross-section is symmetrical with respect to a vertical longitudinal plane median and comprises a concave central rounding (13) continuing on each side, laterally, by a plate (14) ending in a wave (15) concave downwards, said ridge further comprising at each of its ends longitudinal (21) a series of transverse flutes (16),
characterized in that a shaped, dried and impregnated bitumen-impregnated cellulose panel (10) is formed, the panel (10) having a profile shape whose cross-section is formed by the juxtaposition of at least two cross-sections each identical to that of said ridge plate and series of transverse grooves being formed in the vicinity of the two longitudinal ends (21) of the panel and on either side of at least one fictive transversal separation line (17) extended between the two longitudinal edges (20) of the panel, and in that the panel (10) shaped, dried and impregnated with bitumen, is cut along a longitudinal cutting line (18) situated between the ridge sections juxtaposed between the waves of the ridge plates, so as to form at least two ridge subsets (s) each having at least one ridge (11a, 11b; 12a, 12b, 12c, 12d). Procédé selon la revendication 1, caractérisé en ce qu'on réalise la découpe longitudinale du panneau (10) dans un premier temps et sur un premier poste de découpe (4), avec au moins un couteau à disque rotatif (6) afin de former lesdits au moins deux sous-ensembles de faîtière(s) (11a, 11 b ; 12a, 12b, 12c, 12d).Method according to Claim 1, characterized in that the longitudinal cutting of the panel (10) is carried out in a first step and on a first cutting station (4), with at least one rotating disk knife (6) in order to form said at least two ridge subassemblies (11a, 11b; 12a, 12b, 12c, 12d). Procédé selon la revendication 2, caractérisé en ce que dans un deuxième temps et sur un second poste de découpe, on découpe en une seule opération lesdits au moins deux sous-ensembles de faîtières obtenus dans le premier temps, cette seconde découpe étant réalisée suivant une direction transversale, le long de la/des lignes de séparation transversales fictives (17).Method according to claim 2, characterized in that in a second step and on a second cutting station, said at least two ridge subassemblies obtained in the first step are cut in a single operation, this second cut being carried out according to a transverse direction along the fictitious transversal separation line (17). Procédé selon la revendication 3, caractérisé en ce que le second poste de découpe est rendu amovible afin de pouvoir produire soit des faîtières d'une première longueur (11a, 11b) en l'absence de second temps, soit des faîtières (12a, 12b, 12c, 12d) d'une deuxième longueur, inférieure à la première longueur, en présence du second temps.Method according to claim 3, characterized in that the second cutting station is made removable in order to produce either ridge of a first length (11a, 11b) in the absence of second time, or ridge (12a, 12b , 12c, 12d) of a second length, less than the first length, in the presence of the second beat. Procédé selon l'une des revendications 3 et 4, caractérisé en ce que la découpe transversale du second poste de découpe est réalisée au moyen d'une cisaille guillotine (5) à forme (7) et contre-forme coupantes.Method according to one of claims 3 and 4, characterized in that the transverse cutting of the second cutting station is performed by means of a guillotine shears (5) shaped (7) and counter-cutting form. Procédé selon la revendication 5, caractérisé en ce que la forme et la contre-forme coupantes ont des formes correspondant aux formes des sections transversales des plaques de faîtières avec pour chacune leurs arrondi, plats et ondes.A method according to claim 5, characterized in that the cutting form and the counter-form have shapes corresponding to the shapes of the cross-sections of the ridge plates with their rounding, flat and wave for each. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'on met en oeuvre une machine de formage (2, 3) en continu à partir d'un matelas continu (19) de cellulose au moins partiellement séché, qui comporte, en amont, un premier poste (2) de réalisation des cannelures sur le matelas continu (19) de cellulose dans un premier sens dudit matelas continu et, en aval, un second poste (3) de réalisation des arrondis et des ondes sur ledit matelas continu de cellulose dans le second sens dudit matelas continu, ledit matelas continu de cellulose formé étant ensuite découpé en panneaux (10) après le formage dans ladite machine de formage.Process according to one of the preceding claims, characterized in that a forming machine (2, 3) is continuously operated from a continuous mattress (19) of at least partially dried cellulose which comprises upstream, a first station (2) for producing grooves on the continuous mattress (19) of cellulose in a first direction of said continuous mattress and, downstream, a second station (3) for producing roundings and waves on said mattress continuous flow of cellulose in the second direction of said continuous mat, said continuous formed cellulose mat being then cut into panels (10) after forming in said forming machine. Procédé selon la revendication 7, caractérisé en ce que le premier poste (2) de réalisation des cannelures sur le matelas continu (19) de cellulose comporte des moyens de commande permettant de réaliser ou non selon la commande les séries de cannelures transversales de part et d'autre de ladite au moins une ligne de séparation transversale fictive (17) étendue entre les deux bords longitudinaux (20) du panneau.A method according to claim 7, characterized in that the first station (2) for producing the grooves on the continuous mattress (19) of cellulose comprises control means for making or not according to the order of the series of transverse flutes on the part and another of said at least one imaginary transverse line of separation (17) extended between the two longitudinal edges (20) of the panel. Procédé selon la revendication 8, caractérisé en ce le premier sens, le sens des cannelures (16), est dans la longueur du matelas continu (19) de cellulose, et le second sens, le sens des arrondis (13) et ondes (15), est dans la largeur du matelas continu (19) de cellulose.Method according to claim 8, characterized in that the first direction, the direction of the flutes (16), is in the length of the continuous mattress (19) of cellulose, and the second sense, the direction of the roundings (13) and waves (15). ), is in the width of the continuous mattress (19) of cellulose. Procédé selon l'une des revendications 7, 8 ou 9, caractérisé en ce qu'il comporte une étape d'enduction (1) avec un composé d'enduction du matelas continu (19) de cellulose avant passage dans la machine de formage (2, 3).Method according to one of claims 7, 8 or 9, characterized in that it comprises a coating step (1) with a coating compound of the continuous mattress (19) of cellulose before passing through the forming machine ( 2, 3). Procédé selon l'une des revendications 7 à 10, caractérisé en ce qu'il comporte une étape d'imprégnation de bitume du panneau après découpage en panneaux (10) du matelas continu (19) de cellulose ayant été formé dans ladite machine de formage (2, 3).Method according to one of claims 7 to 10, characterized in that it comprises a bitumen impregnation step of the panel after cutting into panels (10) of the continuous mattress (19) of cellulose having been formed in said forming machine (2, 3). Machine de découpe d'un panneau (10) de cellulose mis en forme, séché et imprégné de bitume destiné à produire des faîtières, le panneau (10) ayant une forme de profilé dont la section transversale est formée par la juxtaposition d'au moins deux sections transversales chacune identique à celle d'une plaque de faîtière et des séries de cannelures (16) transversales étant ménagées au voisinage des extrémités longitudinales (21) du panneau (10) et de part et d'autre d'au moins une ligne de séparation transversale fictive (17) étendue entre les deux bords longitudinaux (20) du panneau, chaque faîtière ayant une forme générale profilée dont la section transversale est symétrique par rapport à un plan longitudinal vertical médian et comporte un arrondi (13) central concave vers le bas se poursuivant de chaque côté, latéralement, par un plat (14) se terminant par une onde (15) concave vers le bas,
caractérisée en ce que ladite machine de découpe est spécialement configurée pour une mise en oeuvre dans le procédé de fabrication de faîtières en cellulose imprégnée de bitume de l'une quelconque des revendications précédentes, et qu'elle comporte : un premier poste de découpe (4) dans lequel, dans un premier temps, le panneau (10) peut être découpé dans le sens de la longueur avec au moins un couteau à disque rotatif (6) suivant une ligne de découpe longitudinale (18) située entre les sections de faîtières juxtaposées, entre les ondes des plaques de faîtières, afin de former au moins deux sous-ensembles de faîtière(s) comportant chacun au moins une faîtière (11 a, 11 b ; 12a, 12b, 12c, 12d), et un second poste de découpe (5) dans lequel, dans un second temps, lesdits au moins deux sous-ensembles de faîtières dudit panneau (10) et obtenus dans le premier temps peuvent être découpés en une seule opération suivant une direction transversale, le long de la/des lignes de séparation transversales fictives (17), avec au moins une cisaille guillotine (5) à forme (7) et contre-forme coupantes, le second poste de découpe étant amovible afin de pouvoir produire soit des faîtières d'une première longueur (11a, 11b) en l'absence de second temps, soit des faîtières (12a, 12b, 12c, 12d) d'une deuxième longueur, inférieure à la première longueur, en présence du second temps. A machine for cutting a shaped, dried and impregnated bitumen-forming cellulose board (10), the panel (10) having a profile shape whose cross-section is formed by the juxtaposition of at least two cross sections each identical to that of a ridge plate and series of transverse grooves (16) being formed in the vicinity of the longitudinal ends (21) of the panel (10) and on both sides of at least one line fictitious transversal partition (17) extending between the two longitudinal edges (20) of the panel, each ridge having a generally profiled shape whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a concave central rounding (13) towards the bottom continuing on either side, laterally, by a plate (14) terminating in a wave (15) concave downwards,
characterized in that said cutting machine is specially configured for use in the bitumen impregnated cellulose ridge manufacturing method of any one of the preceding claims, and comprises: a first cutting station (4) in which, in a first step, the panel (10) can be cut lengthwise with at least one rotary disk knife (6) along a longitudinal cutting line (18) located between the ridge sections juxtaposed between the waves of the ridge plates, to form at least two ridge subsets (s) each having at least one ridge (11a, 11b; 12a, 12b, 12c, 12d ), and a second cutting station (5) in which, in a second step, said at least two ridge subassemblies of said panel (10) and obtained in the first step can be cut in a single operation in a transverse direction, along of the fictitious transversal separation line / lines (17), with at least one guillotine shear (5) having a shape (7) and counterforming shapes, the second cutting station being removable in order to be able to produce either ridge of a first length (11a, 11b) in the absence of second time, or ridge (12a, 12b, 12c, 12d) of a second length, less than the first length, in the presence of the second beat. Machine de formage pour réalisation d'un panneau (10) de cellulose destiné à produire des faîtières et comportant un ensemble de plaques de faîtières disposées, d'une part, en série, dans le premier sens du panneau et, d'autre part, parallèlement entre elles dans l'autre sens du panneau, chaque faîtière ayant une forme générale profilée dont la section transversale est symétrique par rapport à un plan longitudinal vertical médian et comporte un arrondi (13) central concave vers le bas se poursuivant de chaque côté, latéralement, par un plat (14) se terminant par une onde (15) concave vers le bas, ladite faîtière comportant en outre à chacune de ses extrémités longitudinales (21) une série de cannelures (16) transversales,
caractérisée en ce que ladite machine de formage (2, 3) est spécialement configurée pour une mise en oeuvre dans le procédé de fabrication de faîtières en cellulose imprégnée de bitume de l'une quelconque des revendications 7 à 9, et qu'elle comporte, en amont, un premier poste (2) de réalisation des cannelures sur un matelas continu (19) de cellulose dans un premier sens dudit matelas continu (19) et, en aval, un second poste (3) de réalisation des arrondis et des ondes de chaque plaque de faîtière dans le second sens dudit matelas continu (19).A forming machine for producing a cellulose panel (10) for producing ridge elements and having a set of ridge plates arranged, firstly, in series, in the first direction of the panel and, secondly, parallel to each other in the other direction of the panel, each ridge having a generally profiled shape whose cross section is symmetrical with respect to a median vertical longitudinal plane and comprises a concave central rounded portion (13) continuing on each side, laterally, by a dish (14) terminating in a wave (15) concave downwards, said ridge further comprising at each of its longitudinal ends (21) a series of transverse flutes (16),
characterized in that said forming machine (2, 3) is specially configured for use in the bitumen-impregnated cellulose ridge manufacturing method of any one of claims 7 to 9, and includes upstream, a first station (2) for producing grooves on a continuous mattress (19) of cellulose in a first direction of said continuous mattress (19) and, downstream, a second station (3) for producing roundings and waves each ridge plate in the second direction of said continuous mattress (19).
EP13306632.4A 2012-11-30 2013-11-28 Method for manufacturing ridge tiles made of bitumen-impregnated cellulose, manufacturing machines Active EP2738307B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13306632T PL2738307T3 (en) 2012-11-30 2013-11-28 Method for manufacturing ridge tiles made of bitumen-impregnated cellulose, manufacturing machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1261478A FR2998911B1 (en) 2012-11-30 2012-11-30 PROCESS FOR MANUFACTURING BITUMEN-IMPREGNATED CELLULOSE FAITIERS, MANUFACTURING MACHINES

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EP2738307A1 true EP2738307A1 (en) 2014-06-04
EP2738307B1 EP2738307B1 (en) 2018-01-31

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EP (1) EP2738307B1 (en)
CN (1) CN103846962B (en)
AR (1) AR093661A1 (en)
BR (1) BR102013030902B1 (en)
ES (1) ES2666070T3 (en)
FR (1) FR2998911B1 (en)
MY (1) MY179373A (en)
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UA34321S (en) * 2016-03-16 2017-04-25 Ондулін PROFILED ROOFING SHEET
CN113442512B (en) * 2021-06-03 2022-06-24 多富瑞(山东)新材料有限公司 Continuous production equipment for cornice tiles and edge tiles

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Also Published As

Publication number Publication date
PL2738307T3 (en) 2018-06-29
FR2998911B1 (en) 2014-12-26
RU2013153246A (en) 2015-06-10
MY179373A (en) 2020-11-05
BR102013030902B1 (en) 2021-08-10
US20140151920A1 (en) 2014-06-05
EP2738307B1 (en) 2018-01-31
FR2998911A1 (en) 2014-06-06
RU2639763C2 (en) 2017-12-22
US9677278B2 (en) 2017-06-13
CN103846962B (en) 2017-06-27
BR102013030902A2 (en) 2015-06-16
AR093661A1 (en) 2015-06-17
ES2666070T3 (en) 2018-04-30
CN103846962A (en) 2014-06-11

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