EP0809955A1 - Sonnenschirm, Regenschirm oder dergleichen und Verfahren zu seiner Herstellung - Google Patents

Sonnenschirm, Regenschirm oder dergleichen und Verfahren zu seiner Herstellung Download PDF

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Publication number
EP0809955A1
EP0809955A1 EP97440047A EP97440047A EP0809955A1 EP 0809955 A1 EP0809955 A1 EP 0809955A1 EP 97440047 A EP97440047 A EP 97440047A EP 97440047 A EP97440047 A EP 97440047A EP 0809955 A1 EP0809955 A1 EP 0809955A1
Authority
EP
European Patent Office
Prior art keywords
umbrella
parasol
sewing
fabric
welding
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.)
Withdrawn
Application number
EP97440047A
Other languages
English (en)
French (fr)
Inventor
Didier Caspar
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.)
CASPAR
Original Assignee
Sicafi 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 Sicafi SA filed Critical Sicafi SA
Publication of EP0809955A1 publication Critical patent/EP0809955A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/18—Covers; Means for fastening same

Definitions

  • the invention relates to a parasol, umbrella or the like and its manufacturing method.
  • a parasol or even an umbrella is roughly made up of a pole above which a canvas can be stretched by means of whales.
  • This fabric is made up of triangular-shaped segments, the apex of which reaches the upper end of the mast, these segments being connected, in particular by sewing, at the level of their radial border.
  • this canvas is equipped, at the periphery, more particularly at the end of the seam lines, with a sheath for receiving the whales.
  • the sleeves are present, at present in different embodiments.
  • they can be designed from a piece of fabric identical in nature to the canvas and triangular in shape.
  • this piece of fabric is folded back on itself, then sewn, directly, on the overlock ensuring the connection between two segments of fabric.
  • the compatibility of the materials makes it possible, in this case, to join together, in a single sewing operation, two consecutive segments and the sheath for receiving a whale.
  • umbrellas and umbrellas are generally designed from a canvas of less resistance, the sheaths made of the same material do not resist in the long run the constraints transmitted by whales. Thus, they are very quickly pierced by the end of the latter, although it is already customary to equip these ends of said whales with a protective cap with rounded shapes.
  • the present invention aims to remedy the aforementioned drawbacks, this through the design of a sheath which meets, both the mechanical strength requirements allowing it to withstand the stresses transmitted by a whale of the parasol , of elasticity to absorb the dimensional variations which the fabric can undergo and of flexibility so that this sheath can be made integral with the fabric at the same time as the assembly of the segments, or in a single operation.
  • these sleeves further comprising a sewing or welding tab allowing the attachment by sewing or welding of said sleeves on the canvas simultaneously during the assembly of two successive segments.
  • said sheath is made of thermoplastic polyurethane elastomer.
  • said sheath further comprises a holding tab which makes it possible to keep it under the sewing or welding machine.
  • the present invention relates, more particularly, to a parasol or the like and to its manufacturing process.
  • FIG. 1 there is shown, schematically, such a parasol 1 comprising, in the usual manner, a pole 2 at the upper end of which a canvas 3 can be stretched using whales 4 maneuverable by a mechanism 5 appropriate.
  • said fabric 3 is composed of several segments 3A, 3B, 3C connected by sewing or welding, for example using a chain stitch, this at their radial border 6A, 7A; 6B, 7B etc ... It will be observed that in the following description, from the moment that allusion is made to an assembly process by sewing, it should be understood that the present invention is in no way limited to such an assembly process and that instead of a seam, one can consider a weld, which will preferably be the case when the segments of fabric to be connected are made of synthetic material, in particular coated polyester.
  • the fabric 3 of this parasol 1 also includes, at the periphery 8, sleeves 9 for receiving the ends 10 of the ribs 4. In fact, it is usual to place these sleeves 9 at the ends 11 of the lines sewing or welding 12 connecting two consecutive segments.
  • this material constituting a sheath 9 will also have a hardness D which does not exceed 100 SHORE A. Preferably, it will be between 80 and 100 SHORE A.
  • thermoplastic polyurethane elastomer satisfactorily meets the previous requirements.
  • such sheaths 9 include a blind housing 13 whose section can be adjusted to that of a whale 4.
  • this housing 13 may also have a slightly frustoconical shape having the advantage, on the one hand, of facilitating the 'engagement of the end 10 of a whale 4 in this sheath 9 while allowing the latter to accommodate whales of different section.
  • this sleeve 9 further comprises a sewing or welding tab 14 oriented substantially parallel to the axis 15 of the housing 13 allowing the attachment, by sewing or welding, of such sleeves 9 on the fabric 3. More particularly and as visible in FIG. 2, for the manufacture of the fabric 3 of a parasol 1, two fabric segments 3A, 3B are superimposed; is also positioned on these fabric segments 3A, 3B, at the end 11 of the seam or weld line 12, the sheath 9. It is understood that it is the tab 14 which is thus positioned on this seam or weld line 12. The assembly is then introduced under the presser foot of the sewing machine 16 or under the electrode of a welding machine so that, in one and the same operation, the one comes to connect two consecutive fabric segments 3A, 3B and the sheath 9.
  • the sewing or welding tab 14 comprises on at least one of its faces 17, 18, adhesion means, such as striations or the like 19, facilitating its training under the machine. It will be observed that if this tab 14 has on each of its faces 17, 18 such adhesion means in the form of roughness or the like, it also improves its retention in position on the fabric making up the fabric segments 3A , 3B.
  • this sheath 9 is facilitated by the presence of a retaining tab 20 preferably located diametrically opposite the tab 14, this relative to the housing 13.
  • this retaining lug 20 can also be provided on one and / or the other of its faces with ridges, grooves or the like making it possible to retain this sheath 9 more easily, either manually or automatically.
  • the bottom 21 of the housing 13 is preferably reinforced by an extra thickness of its wall at this level obtained during the injection of the part, this as shown in FIG. 5.
  • the sheath 9 is, thus, more resistant to piercing through the whale 4.
  • this bottom 21 of the housing 13 has, at least externally, a tapered shape facilitating its passage under the crowbar 16 of a sewing machine for example.
  • this section can be determined in the form of a drop of water or, as shown in Figures 2 to 5 of the accompanying drawing, of substantially rectangular shape knowing that, at the time of sewing or welding, the side 22 the longer is oriented perpendicular to the action of presser foot 16 or the electrode.
  • this housing 13 is delimited by walls 23, 24 preferably profiled in the form of chevrons so that, here again, they facilitate the crushing of the housing 13.
  • this section of the housing 13 can still take other forms which facilitate its crushing. In particular, it can be ovoid as shown in FIG. 6.
  • this sheath 9 can be provided, for example at the level of the holding tab 20, with a tactile key (not shown) easily perceptible.
  • the advantages arising from the present invention consist in that, during a single and same sewing operation for the assembly of two fabric segments, corresponding to a parasol, a sheath is brought in simultaneously for receiving the end of a whale.
  • This sheath has, in fact, exceptional mechanical characteristics so that they solve one of the most commonly encountered problems with such parasols, namely the piercing of these sheaths under the impulse of a whale.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Outer Garments And Coats (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Details Of Garments (AREA)
EP97440047A 1996-05-29 1997-05-28 Sonnenschirm, Regenschirm oder dergleichen und Verfahren zu seiner Herstellung Withdrawn EP0809955A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9606837 1996-05-29
FR9606837A FR2749141B1 (fr) 1996-05-29 1996-05-29 Parasol, parapluie ou analogue et son procede de fabrication

Publications (1)

Publication Number Publication Date
EP0809955A1 true EP0809955A1 (de) 1997-12-03

Family

ID=9492678

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97440047A Withdrawn EP0809955A1 (de) 1996-05-29 1997-05-28 Sonnenschirm, Regenschirm oder dergleichen und Verfahren zu seiner Herstellung

Country Status (5)

Country Link
EP (1) EP0809955A1 (de)
CZ (1) CZ162497A3 (de)
FR (1) FR2749141B1 (de)
PL (1) PL320240A1 (de)
SK (1) SK284194B6 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1613688A (en) * 1926-08-11 1927-01-11 Weisz David Umbrella cover and garment
US3431926A (en) * 1966-12-30 1969-03-11 Emanuel Dubinsky Cover for beach umbrellas and the like
FR2426425A1 (fr) * 1978-05-22 1979-12-21 Cicurel Joseph Parasol
EP0531240A1 (de) * 1991-09-05 1993-03-10 Neyrat Peyronie Vorrichtung zur Montage eines Rippenendes auf einen Artikel aus Stoff wie einen Sonnenschirm

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1613688A (en) * 1926-08-11 1927-01-11 Weisz David Umbrella cover and garment
US3431926A (en) * 1966-12-30 1969-03-11 Emanuel Dubinsky Cover for beach umbrellas and the like
FR2426425A1 (fr) * 1978-05-22 1979-12-21 Cicurel Joseph Parasol
EP0531240A1 (de) * 1991-09-05 1993-03-10 Neyrat Peyronie Vorrichtung zur Montage eines Rippenendes auf einen Artikel aus Stoff wie einen Sonnenschirm

Also Published As

Publication number Publication date
SK67297A3 (en) 1997-12-10
PL320240A1 (en) 1997-12-08
CZ162497A3 (en) 1997-12-17
FR2749141A1 (fr) 1997-12-05
SK284194B6 (sk) 2004-10-05
FR2749141B1 (fr) 1998-08-21

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