EP0332144B1 - Dispositif de rapprochement sous tension de deux extrémités d'une bande large devant revêtir une surface en particulier un cylindre de machine à papier - Google Patents

Dispositif de rapprochement sous tension de deux extrémités d'une bande large devant revêtir une surface en particulier un cylindre de machine à papier Download PDF

Info

Publication number
EP0332144B1
EP0332144B1 EP89104013A EP89104013A EP0332144B1 EP 0332144 B1 EP0332144 B1 EP 0332144B1 EP 89104013 A EP89104013 A EP 89104013A EP 89104013 A EP89104013 A EP 89104013A EP 0332144 B1 EP0332144 B1 EP 0332144B1
Authority
EP
European Patent Office
Prior art keywords
extremities
band
straps
housings
inflatable
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.)
Expired - Lifetime
Application number
EP89104013A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0332144A1 (fr
Inventor
Maurice Gauthier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA
Original Assignee
COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA filed Critical COFPA Compagnie des Feutres pour Papeteries et des Tissus Industriels SA
Priority to AT89104013T priority Critical patent/ATE81166T1/de
Publication of EP0332144A1 publication Critical patent/EP0332144A1/fr
Application granted granted Critical
Publication of EP0332144B1 publication Critical patent/EP0332144B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0054—Seams thereof

Definitions

  • the present invention relates to a device for bringing under tension the two ends of a wide strip.
  • the device according to the invention allows the ends to be brought together in a simple manner by using inflatable and deformable means which, when inflated, pull on straps fixed to the ends of the strip to bring them closer.
  • the device comprises a device for bringing the two ends of a wide strip under tension, characterized in that it comprises two straps each comprising a longitudinal housing, each strap being fixable in the vicinity of the ends of the band so that the housings are parallel to said ends, each housing being provided with inflatable and deformable means on which profiles come to bear, the profiles of the two straps coming to bear on the two vertical branches of stirrups so as to tend to separate them from so that when the inflatable means are inflated the two ends of the strip approach each other.
  • the inflatable means are cylindrical sleeves making the entire length of the housings, so the ends approach each other in a homogeneous manner.
  • Each bracket can be fitted with a double pitch nut allowing the precise positioning of the ends of the strip.
  • the device comprises two straps provided with two rigid longitudinal rods, each rigid rod being in contact with the first stirrup arms of which the other arms are in contact with a profile, the two profiles associated with the two rigid rods trapping deformable and inflatable means so that when these means are inflated the two profiles move away from each other thus bringing the ends of the strip.
  • the inflatable means consist of a cylindrical sleeve making the entire width of the strip.
  • the stirrups associated with one of the rods can be fitted with a double pitch nut allowing the precise positioning of the ends of the strip.
  • the device comprises two straps each comprising a longitudinal housing, each strap being fixed in the vicinity of the ends of the strip so that the housings are parallel to said ends, each housing being provided with inflatable and deformable means and connected to the other by temporary joining means, the housings being deformable when the inflatable means are inflated so that the housings pull on the temporary joining means and bring the ends of the strip together.
  • the inflatable means are cylindrical sleeves making the entire length of the housings and the temporary joining means consist of a slide fastener or a profile fastener.
  • each strap consists of two joinable parts.
  • the first parts of the straps are fixed by the manufacturer of the band near the ends. The user only has to join the second parts of the straps on the first parts so that the device is in place.
  • the device can be used very easily to mount a new band.
  • Figure 1 shows a first embodiment of the device according to the invention with the ends of the strip apart.
  • Figure 2 shows the device of Figure 1 with the ends close together.
  • FIG. 3 represents a top view of the device of FIG. 1.
  • FIG. 4 represents a second embodiment of the device according to the invention.
  • FIG. 5 represents a third embodiment of the device according to the invention with the ends of the strip separated.
  • Figure 6 shows the device of Figure 5 with the ends close together.
  • Figure 7 shows a modified strap
  • the device according to the invention shown in FIG. 1 is used to bring the two ends 1 of a strip 2 spaced apart by a length a together.
  • This strip is mounted around a surface to be surrounded, constituted for example by one or more cylinders (not shown).
  • the device comprises two straps 4 making the entire width of the strip 2 (see FIG. 3). These straps 4 are fixed in the vicinity of the ends 1 over their entire width. On the side opposite the attachment, the straps 4 have a longitudinal housing 5 parallel to the ends 1.
  • each of the two housings 5 an inflatable and deformable sleeve 6 is fitted, fitted with a valve 6 ′.
  • the sleeve 6 is the entire length of the housing 5.
  • Each housing 5 also has a rounded profile 7 which is applied to the sleeve 6 on the side opposite the end 1 of the strip 2.
  • stirrups 8 After having fixed the straps 4, one comes to place stirrups 8 of which the two lateral branches 9 come to grip the convex parts of the profiles 7. These stirrups 8 are provided with a nut 10 with double pitch making it possible to bring their two branches 9 apart or apart .
  • the stirrups 8 are arranged for example every 20 cm. (see figure 3).
  • the sleeves 6 When the sleeves 6 are inflated, the profiles 7 are applied with force against the branches 9 of the stirrups 8; the sleeves 6 have a section which becomes larger so that the front parts 11 of the housings come closer. We inflate until each strap has moved lengthwise at 2 . The positioning can be refined by using the nuts 10.
  • the device shown in FIG. 4 used to bring the two ends 1 of the strip 2 together also includes straps 4.
  • These straps 4 are provided at their end close to the end of the strip with a housing 5 parallel to the end 1 of the strip which is the entire width of the strip 2.
  • a housing 5 In the housings 5 are housed two rigid rods 14 to which are fixed the vertical branches 15 of several stirrups 16.
  • the vertical branches 15 ′ of the stirrups 16 not fixed to the rods 14 trap two profiles 17 between which is arranged a deformable inflatable sleeve 18 provided with a valve.
  • the two ends 1 are thus brought together until their loops 3 can be interpenetrated to form a channel into which a locking ring can be introduced. Fine adjustment can be done by the double pitch nuts 19 provided in the horizontal branches of the stirrups 16 and bringing the branches 15 and 15 ′ closer or further apart. Once the band is locked, it suffices to deflate the sleeve 18 and then to remove the straps 4.
  • the device represented in FIG. 5 comprises two straps 4 fixed in the vicinity of the ends 1 of the strip 2 and, on the opposite side, fixing lines parallel to the ends 1 of the strip 2 two housings 5 making the entire width of the strip 2 and parallel to the ends 1 thereof.
  • each housing 5 is arranged an inflatable and deformable sleeve 6 provided with a valve (not shown).
  • the housing 5 is of circular section as well as the sleeve 6 but when the latter is deflated the housing 5 and the sleeve 6 are flattened on the strip 2.
  • the front parts 11 of the housings 5 are joined by temporary joining means 20 making the entire width of the strip 2 and preferably constituted by a slide fastener or a profile closure joining two narrow strips 21 connected to said front parts 11 of the housings 5.
  • the straps 4 are fixed parallel to the ends 1, then the temporary joining means 20 are closed.
  • the inflatable means 6 are then inflated, which begin to take their shape in a right circular cylinder imposing a similar shape on the housings.
  • the front parts 11 of the housings 5 tend to move away from each other pulling forcefully on the straps 4. It follows that the ends 1 of the strip come closer; it stops inflating when the loops 3 of the ends 1 come at the same level (see FIG. 6).
  • the straps 4 are in two joinable parts 4 ′, 4 ⁇ (see FIG. 7).
  • the first part 4 ′ of the straps 4 is fixed by the manufacturer to the strip 2.
  • the user joins for example with a rod 22 the two parts 4 ′, 4 ⁇ of the straps 4; he can so after use recover the device with the two second parts 4 ⁇ of the straps 4 to use it to tighten another strip.
  • the device When possible, the device is mounted, in particular that of FIG. 5, below the strip 2; it is thus easier to introduce the rod 12 into the locking channel 13 of the ends 1 of the strip 2.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Paper (AREA)
  • Tents Or Canopies (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Buckles (AREA)
  • Clamps And Clips (AREA)
EP89104013A 1988-03-08 1989-03-07 Dispositif de rapprochement sous tension de deux extrémités d'une bande large devant revêtir une surface en particulier un cylindre de machine à papier Expired - Lifetime EP0332144B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89104013T ATE81166T1 (de) 1988-03-08 1989-03-07 Vorrichtung zur zusammenfuegung der enden eines breiten bandes unter spannung zur ueberziehung einer flaeche, insbesondere einer papiermaschinenrolle.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8802967 1988-03-08
FR8802967A FR2628454B1 (fr) 1988-03-08 1988-03-08 Dispositif de rapprochement sous tension de deux extremites d'une bande large devant revetir une surface en particulier un cylindre de machine a papier

Publications (2)

Publication Number Publication Date
EP0332144A1 EP0332144A1 (fr) 1989-09-13
EP0332144B1 true EP0332144B1 (fr) 1992-09-30

Family

ID=9364038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89104013A Expired - Lifetime EP0332144B1 (fr) 1988-03-08 1989-03-07 Dispositif de rapprochement sous tension de deux extrémités d'une bande large devant revêtir une surface en particulier un cylindre de machine à papier

Country Status (8)

Country Link
EP (1) EP0332144B1 (fi)
JP (1) JPH01272893A (fi)
AT (1) ATE81166T1 (fi)
DE (1) DE68903014T2 (fi)
ES (1) ES2035397T3 (fi)
FI (1) FI89948C (fi)
FR (1) FR2628454B1 (fi)
ZA (1) ZA891772B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2793540B2 (ja) * 1995-12-27 1998-09-03 日本電気アイシーマイコンシステム株式会社 エミュレーション装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE542653C (de) * 1932-01-29 Gabriel Maurice Treibriemenspanner zur Herstellung von Schlussverbindungen
US1894298A (en) * 1928-02-24 1933-01-17 Wiley F Sutton Hydraulic belt stretcher
FR669616A (fr) * 1929-02-14 1929-11-19 Dispositif d'appareil tendeur de courroies

Also Published As

Publication number Publication date
FR2628454B1 (fr) 1990-11-16
ZA891772B (en) 1989-11-29
FI89948C (fi) 1993-12-10
FI891056A0 (fi) 1989-03-06
DE68903014D1 (de) 1992-11-05
DE68903014T2 (de) 1993-02-18
ATE81166T1 (de) 1992-10-15
ES2035397T3 (es) 1993-04-16
FI891056A (fi) 1989-09-09
JPH01272893A (ja) 1989-10-31
FI89948B (fi) 1993-08-31
FR2628454A1 (fr) 1989-09-15
EP0332144A1 (fr) 1989-09-13

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