EP0310850B1 - An elastic strap for fastening a tarpaulin - Google Patents

An elastic strap for fastening a tarpaulin Download PDF

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Publication number
EP0310850B1
EP0310850B1 EP88115308A EP88115308A EP0310850B1 EP 0310850 B1 EP0310850 B1 EP 0310850B1 EP 88115308 A EP88115308 A EP 88115308A EP 88115308 A EP88115308 A EP 88115308A EP 0310850 B1 EP0310850 B1 EP 0310850B1
Authority
EP
European Patent Office
Prior art keywords
tarpaulin
band
elastic
strap
transverse pin
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
EP88115308A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0310850A1 (en
Inventor
Peter Solbeck
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.)
Polysheet AS
Original Assignee
Polysheet AS
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 Polysheet AS filed Critical Polysheet AS
Priority to AT88115308T priority Critical patent/ATE60828T1/de
Publication of EP0310850A1 publication Critical patent/EP0310850A1/en
Application granted granted Critical
Publication of EP0310850B1 publication Critical patent/EP0310850B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/28—Safety or protective measures preventing damage to building parts or finishing work during construction against unfavourable weather influence
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/12—Canopies

Definitions

  • the invention relates to an elastic strap for fastening a tarpaulin to a supporting structure, in particular a scaffolding, and of the type comprising an anchoring member constituted by a transverse pin engaging the tarpaulin and connected close to its centre in the longitudinal direction with an elastic band engaging the supporting structure, the elastic band being connected with a self-locking hook member, preferably a snap hook, which by hooking on the band may slide therealong.
  • each individual strap must be simple and quick to mount.
  • the strap must have a certain flexibility in order to stand and avert sudden and strong shock stresses, typically caused by wind pressures on the tarpaulin, which otherwise might result in damages to the tarpaulin and/or parts of the strap.
  • the strap must eventually be safe against working loose or falling out if due to wind stresses or other circumstances it is caused to adopt a fully unloaded or stack condition.
  • a known strap for the above purpose consists of a comparatively rigid crook portion or anchoring member of molded plastics material and a separate, flexible rubber band.
  • the anchoring member is provided at one end with a transverse pin inclined with respect to the shank portion of the hook and adapted to be passed through the tarpaulin and engage the external surface thereof and at the other end with a twin-hook, one eye of which is partially closed by means of a cast projection on the shank portion of the hook.
  • the oblique transverse pin is passed through a prefabricated eyelet in the tarpaulin which, however, in practice is rather difficult because, due to the rigid connection between the transverse pin and the shank portion of the anchoring member, it is troublesome to make them flush so much that they together may easily be pushed through the eyelet in the tarpaulin.
  • the rubber band is subsequently disposed in the hook with the partially obstructed eyelet which could, however, also be effected prior to fastening the hook in the tarpaulin.
  • the securing as such to the scaffolding is effected in that the rubber band is pulled around part of the scaffolding and then pushed into the second open hook of the crook portion.
  • said prior strap does not fulfill the requirements of a quick and simple mounting. Due to the required deformation on arranging, the strap is not suitable for one-hand mounting, and it is further necessary to provide the tarpaulin with perforations prior to mounting the anchoring member, meaning in other words that said strap necessitates an additional operational step, the actual tarpaulins being typically manufactured without perforations.
  • the strap is not sufficiently ensured against getting unintentionally loose, since the elastic band when unloaded may very easily slip out of the open hook.
  • Said strap consists of a body of rubber or the like provided with a head, a shank portion and a loop. Since the head is designed to be unable to pass through a tarpaulin eyelet, the strap is mounted so that the loop and the shank portion are pushed through an existing eyelet in the tarpaulin, from one side to the other, following which the loop is secured to a hook member provided on the supporting structure.
  • an elastic strap of the above- mentioned type has become known in which the elastic band is connected with a self-locking hook member so that the strap becomes positively safe against getting unintentionally loose while being used.
  • this latter strap the requirements of a quick and simple mounting is not met, since it is still necessary to provide the tarpaulin with perforations prior to mounting the anchoring member.
  • the elastic strap according to the present invention differs from prior art straps in that the elastic band is pivotally and detachably connected with the transverse pin and that the one end of the transverse pin is tapered to penetrate an unbroken tarpaulin while the other end forms a blunt pressing surface.
  • the strap may be secured to the tarpaulin without a preceding, separate perforation thereof, entailing a supplementary effectiveness of the mounting process.
  • the blunt pressing surface serves as abutment for an operator's thumb when the transverse pin is being pushed through the tarpaulin.
  • the transverse pin is made in two parts one of which constitutes a base portion having a cut-out with a protruding freely ending pivot pin adapted to engage the elastic band, while the second part constitutes a locking portion which by engaging the base portion covers the cut-out and the free end of the pivot pin.
  • the elastic band may suitably have the form of a flat continuous rubber band.
  • the strap illustrated in Fig. 1 consists of a transverse pin 1, a snap hook 2 and an elastic rubber band 3 extending therebetween.
  • the snap hook preferably made from molded plastics material forms a first eye 4 substantially closed by means of a resilient flange 5 and a second eye 6 analogously closed by means of a second resilient flange 7.
  • the elastic band 3 is shaped as a flat, continuous rubber band.
  • the elastic band may be provided with a cast loop at either end. The flexible band is pushed into the second eye 6 of the snap hook 2 and secured to the transverse pin 1. Said securing step and the transverse pin will be more specifically explained in the following with reference to Fig. 2.
  • the transverse pin 1 which is likewise preferably made from molded plastics material consists of two sections 11 and 12. Section 12 constitutes a base portion while section 11 is a lock portion adapted to be secured to section 12 and contributes to fastening the entire transverse pin 1 to the elastic band 3.
  • Section 12 has a tapering end 13 and a blunt end 14 and centrally thereof a continuous cut-out 15 is provided.
  • a projecting pin 16 having at its free end a short blind hole 18 is provided in cut-out 15.
  • Cut-out 15 which in the longitudinal direction of section 12 is defined by an "oblique" surface 19 and a “straight” surface 20 merges, close to one lateral edge 21 of section 12, into two ledges 22 and 23. On either of said ledges there is provided continuous holes 24 and 25.
  • Three pins 29, 30 and 31 extend from the underside of the lock part 11 constituted by a plane plate and are adapted to pass on the assembling of sections 11 and 12 into tightly fitting locking engagement with holes 24, 18 and 25.
  • rubber band 3 is put around pin 16 on section 12, following which sections 11 and 12 are united into the transverse pin 1.
  • transverse pin 1 When mounting the elastic strap according to the invention, one hand grasps band 3 immediately beneath transverse pin 1 which is then by thumb oriented in parallel to the rubber band so that tip 13 faces the tarpaulin and the thumb engages the opposite surface 14.
  • This turning of the transverse pin 1 in relation to band 3 is effected without problems as the band does not offer resistance to turning and the turning is incidentally facilitated by the fact that the oblique surface 19 of cut-out 15 offers more "space" for band 3 during said turning.
  • transverse pin 1 With tip 13 in front, transverse pin 1 is then pushed completely through the actual sheet or tarpaulin. A pull on band 3 will subsequently cause transverse pin 1 to engage the external surface of the sheet.
  • snap hook 2 is passed around a stationary part of the scaffolding and is hooked by eye 4 on band 3 so as to form a slide loop around the scaffolding part following which the mounting is complete.

Landscapes

  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Secondary Cells (AREA)
  • Electroluminescent Light Sources (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Luminescent Compositions (AREA)
  • Clamps And Clips (AREA)
  • Buckles (AREA)
  • Package Frames And Binding Bands (AREA)
  • Adhesive Tapes (AREA)
  • Emergency Lowering Means (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP88115308A 1987-09-23 1988-09-19 An elastic strap for fastening a tarpaulin Expired - Lifetime EP0310850B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88115308T ATE60828T1 (de) 1987-09-23 1988-09-19 Elastisches band zur befestigung einer persenning.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK499687A DK156307C (da) 1987-09-23 1987-09-23 Elastisk eftergivelig strop til fastgoerelse af en presenning.
DK4996/87 1987-09-23

Publications (2)

Publication Number Publication Date
EP0310850A1 EP0310850A1 (en) 1989-04-12
EP0310850B1 true EP0310850B1 (en) 1991-02-06

Family

ID=8138516

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115308A Expired - Lifetime EP0310850B1 (en) 1987-09-23 1988-09-19 An elastic strap for fastening a tarpaulin

Country Status (6)

Country Link
EP (1) EP0310850B1 (fi)
AT (1) ATE60828T1 (fi)
DE (1) DE3861757D1 (fi)
DK (1) DK156307C (fi)
FI (1) FI884379A (fi)
NO (1) NO884217L (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK164963C (da) * 1990-03-27 1993-02-15 Polysheet As Fastgoerelsesindretning til fastgoerelse af en beskyttelses- eller afskaermningsbeklaedning til et stillads eller lignende understoetningskonstruktion samt vaerktoej til brug ved montering af fastgoerelsesindretningen
GB2255125A (en) * 1991-02-06 1992-10-28 Anthony Pugh "roofing."
GB9107840D0 (en) * 1991-04-12 1991-05-29 Ind Textiles & Plastics Ltd Device for securing sheeting and netting to scaffolding
DK9600410U3 (da) * 1996-11-18 1998-03-13 Polysheet As Forankringsindretning
NO339688B1 (en) * 2015-05-04 2017-01-23 Rantex As Tarpaulin Strap
GB2540881B (en) * 2016-07-15 2017-08-16 Avestin Ltd Improvements relating to scaffolding ties
GB202014482D0 (en) 2020-09-15 2020-10-28 Avestin Ltd Improvements relating to scaffolding ties
CN114893681B (zh) * 2022-07-12 2022-10-14 天津光电集团有限公司 一种轻型设备弹性自锁转接结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1194907A (fr) * 1958-04-21 1959-11-13 Tendeur notamment pour la fixation des bâches
US3079657A (en) * 1959-09-28 1963-03-05 Peters & Russell Inc Fastening device
NL6714373A (fi) * 1966-10-24 1968-04-25
DE2134492A1 (de) * 1971-07-10 1973-01-25 Prym Werke William Befestigungsvorrichtung fuer planen
DE2326958A1 (de) * 1973-05-26 1974-12-12 Wuertt Allplastik Vorrichtung zum befestigen einer plane
DE3204654A1 (de) * 1982-02-10 1983-08-18 William Prym-Werke Kg, 5190 Stolberg Befestigungsmittel fuer planen

Also Published As

Publication number Publication date
FI884379A0 (fi) 1988-09-23
DK499687A (da) 1989-03-24
DK499687D0 (da) 1987-09-23
EP0310850A1 (en) 1989-04-12
DK156307B (da) 1989-07-31
ATE60828T1 (de) 1991-02-15
NO884217D0 (no) 1988-09-22
NO884217L (no) 1989-03-28
DE3861757D1 (de) 1991-03-14
FI884379A (fi) 1989-03-24
DK156307C (da) 1989-12-18

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