SK67297A3 - Sunshade, umbrella or a like device and manufacturing method thereof - Google Patents

Abstract

An umbrella or sunshade consists of a mast with a cover above it stretched over ribs. The cover is made from segments (3A,3B) of material, joined by sewn or welded seams (12) and equipped at their outer edges with sockets (13) to receive the tips of the ribs. The sockets are made from a supple synthetic material such as a thermoplastic polyurethane elastomer. The material used for the sockets has a resistance to stretch of no more than 16 N/sq mm (100 per cent stretch at 20 deg C), a breaking strain of at least 100 N/mm, and a hardness of 80 - 100 Shore A. Each socket has one or more flaps for attaching it to the cover material by a sewn or welded seam as two neighbouring segments are joined together. The flaps have at least one surface which is grooved to improve its adhesion while being sewn or welded into place.

Description

Umbrella, umbrella or similar device and method of its manufacture

Technical field

The invention relates to an umbrella. of an umbrella or the like.

Existing Tav Technik

The parasol, the umbrella can be simplified basically from the column of elastic to stretch the same segments the apex is connected by the edges of these segments are appealed with the sail is r with its circumference and stitched segments equipped with sleeves r.a insertion of the elastic.

or marquee characterized by above the cyrus. maybe using a tarp system. It is made of a triangular yellow shape, but the upper end of the column. Longitudinally, usually, by a seam, in particular at the end of the device is that it consists in

Cases of various forms. Is a sail piece of fabric r.a seam, segmentation compatibility stitching pouch for so created and waving folds which sails. in the materials of two adjacent resiliently.

also umbrellas from fabrics are now formed in the same fabric as that form. Usually, it is sewn from below between the two cases contributes to make it the only one to attach the elastic. Triangles can be made! It is known, however, that as parasols or similar devices are often not showing too much resistance, so they cannot. to withstand the stresses transmitted by the entire spring system. These sleeves are therefore very quickly perforated by the ends of the spring, because at the present time the ends mentioned are provided with different protective caps in a rounded form.

«For uses uses the so-called. This type of tarpaulin is a cotton tarpaulin, which is much more durable than it is used more often. In this case, the housings then exhibit the so-called " composite materials far greater resistance. It is also possible to attach the casings of said composite materials to parasols with a cotton sheet. However, this would be a hard drive. have occurred, since if s c are subject to parasols, they use a large size range.

solved the case shells, because it would be ρζϊ-aze. For example, these housings would be scarred by dimensional fluctuations due to reconciliation. temperatures and should be noted ΐ, similar devices are also at λ 'temperatures in

It is also known in particular for umbrellas, cases of either metal or material; these sleeves hook, which allows the segments of the sail to

T. ' The cassette which consists of some kind of hard DC then provides the presently used synthetic hinge fastening of the sleeves after assembling its circumference by means of a special sewing method. This solution is more complex and requires much longer production time, which inevitably increases the cost of producing umbrellas, umbrellas or similar devices.

The essence of vyr.filegu

shortcomings, namely the creation of a new housing concept,

that is, in order to be able to react to the spreading variations of the sheet and at the same time to be more flexible, so that in a single operation, when stitching the pi & c-hty segments, one unit would be formed together with the sheet.

- elongation resistance E less than or equal to 16 K / Em ^a (10% elongation at 30 ° C);

a rupture resistance R of not less than 100 / mm.

These shells are provided with a foot for making a seam or weld, thereby allowing the shells or seam to be joined at the same time while assembling two adjacent segments of the parasol sail.

The invention also relates to a process for joining a parasol sail? , an umbrella with or a similar device according to the outgrowth thus marked:

- two segents were bent on each other for sewing or welding;

r. and both of these segments are placed at the end and at the periphery of the sleeve to form a seam or weld;

- both: the arranged pole-sleeve segments are fed into a sewing or welding machine.

According to a preferred embodiment of the invention, the housing is made of a polyurethane thermoplastic electrolyte.

the housing is provided with the housing location

2RE

r. D

INVENTION It

to these

FIG. 1 is a schematic sectional view of a parasol;

FIG. 3 is a schematic perspective view of the end of two adjacent segments. the sheets on which the housing according to the invention and one embodiment of the present invention are arranged together with the presser foot of the sewing machine;

- cbr. 3 is a schematic plan view of the housing shown in FIG. 3;

FIG. 4 is a schematic side view of FIG. 3;

FIG. 5 is a schematic illustration of FIG. 5;

Looking in front of the case

Podstate vrná1ezu The invention is concerns umbrella, debit or

similar device with method

Ka c-br. 1 is schematically a column r in which its expanded seams. rrzžníc 4

Its production.

The illustrated sun umbrella 1 with the upper end can be operated by 5 nodes.

IRL. ± in the description to understand the procedure to apply the case,

T <<'-

D 'c. · ' /. »“ - ·: f f & r ·, r · * ä (· «« * bl «! _« ·, that are associated with OVA: i ou chain??: stitch n. And i j5E · Zé. & Ta. It is necessary

r-, r * £

How many segments? Are you. zvaroii. for example, radial regions if it is on or with just a note of joining it at all instead is it necessary to do this?

Segments of synthetic material, in particular of

ĹS * 1 + Ί ΐΓ · C X in 1 IL | limited stitching advantageously applied fabric made of polyester coated.

The sail Ϊ of the parasol 1 remains on the perimeter g. It is customary to place the sleeves g at the ends 11 of the seams or welds 18 connecting adjacent segments of the sheet g.

According to the invention, the shells g are made of a synthetic habitable material corresponding to these criteria. elasticity e of tensile resistance:

- resistance r and elongation Ξ less than or equal to 16

- rupture resistance> l R S3por. 1C3 K / be r.eici 10? ľ / rz and 11? L / a.

and preferably 100

It is preferred that the material for the sleeve 9 also exhibits a hardness D which does not exceed 100 SHOREL A. ó that can move Eedzi & 0 & 100 SHOP.E A.

According to the invention, the polyurethane terxoplastic threads comprise a closed section: that they are slightly conical in shape.

: .. and make it easier for three to accommodate 15 which resilient? i. Inserting the mold, which at one insertion of the end 10 of the nozzle 4 into the sleeve & UEodf. Is it able to insert the dc sleeve,

According to the invention, the sleeve 9 is provided with a seam or welded shoe which is oriented in parallel to the axis 15 of the bearing 15e, which makes it possible to fasten the sleeves to the tarpaulin. 8 that two sheets of sheet 3A are laid in the manufacture of the sheet ΐ. 5B on top of each other; to these sail segments 3A. 3B, the sleeve 9 is placed.

14. The composite assembly is then inserted under the presser foot of the sewing machine 16 or below the electrode of the welding machine so that it is then joined in one single operation as two adjacent segments 5A. 5B and the housing 9.

Preferably, the seam foot 17, 18 is knurled out of its sirens by means of:. like the iP. that makes machines easier. Al: shoe 14 provided with an unevenness of the inequality, grooved of course the ΪΑ case. 33ai the insertion of the compound. 1> o weld 14 on one: e trainer cleats similar seams to the sides‘17, 18 eco are nexample similarly, it will improve on the squadron of the sail segments c ·

Placing and maintaining or welding It is facilitated by si t-nenz ··; No one can be: one on the eyes of the strips provided with ir. roughening autolock

SI Its walls as a result of need

p .'- cc cnyc z

Ej pri

Ϊ-Ε sleeves 9 behon stitching with a retaining shoe £ 0 shoe 4. 4. The retaining shoe £ 3 is on its side or a rice machine. o, i 1... & 1 e t:

, the sleeve is hand-sewn for a better 15 seconds stitch than that shown in FIG. even more resistant to holding. According to a preferred embodiment of FIG.

tearing that the bottom 41, which facilitates the invention, is the bottom of the invention.

The sleeve 9J by the spring 4. It is necessary to further reduce the bearing 1c. It is extended into the tip, passing under the holding foot 16 of the sewing machine.

Desirably, the bearing 15 under the retaining shoe of the sewing machine 16 is compressed and has a reduced thickness as much as possible. Sufficient flexibility of the material used and the sleeve S favorably affects the compression. However, it is still possible to positively influence this arrangement by providing a corresponding shape of the bearing in FIG.

instantly the shape of a water drop or

and the J form or weld is on the retention rod. Finally, the width is preferably up to sewing

13. The bearing profile 13 - as shown in a square shape, wherein the longest side 22 faces the sewing machine shoe 16 or the bearing 1.3 on the sides red defined by the walls 25. 24 the profile form of the tooth, so as to facilitate compression

The arrangement of the bearing 13, however, will also have other forms below, which will, however, facilitate adjustment. In particular, the blades 13 may have an egg-shaped shape, as shown at < p i * · x’a · I

In order to orient the 3Λ, äo, the casing operator 9 has three sewing eh: »or in P j zur: · £ provided for example: easily perceptible!

or guiding not to mislead the composite segments of the machine, may be at the holding foot 20

CT / η - CT, w * «^ i b A b ¹ • r

In particular, the advantages of the description of the invention reside in the fact that, in a single operation, two segments 5A, 3E of the canvas ô of the parasol 1, including the bushings, are joined together. for accommodating the ends 10 of the spring. The housing P exhibits special mechanical properties so that the problem most commonly encountered, namely the breakage of the sleeves &lt;

Claims (5)

PATENT CLAIMS i *: · * i · k · 1 A ečník. jug or similar device e zc with three pieces '31, not including: <.a τι / -ι * ρ IN * "· * ·*** 1achtu (3: pornooc flexion (4 ' composed of ÔV av t m .. <ι> · <ι> o segments · ·: A, 3Ξ at level?.. pleased with you. r. £ animals in n & produced (1δ A pUZČl'ftEi u < · * Λ 4 *. · ±> 2 zo 6W- <W or Welded · (1S) • \ t »and / or 7A; BB, 7B .on.cooh seams ζ 10) flexible that pušdrs. : o.ipc stuff ?. . thrust: (4), (9) are Material im. υ ροto asks V ' ^c r · • Λ λ W Im / ttE ^and I10C t -A JO (& L.zozr.j / uci 'c vis q: .-, u Il • v. according to * _o e · - - —the durability ir? etis lUtill nižšie lower or equal to p 18 ppe rot r-i 30 degrees (C): at J ' 1 ..... c u v e r. e r óss i’ar Z “ä f. In wA · · tu V »pr 'k. · So join: ·. ·? n í r. 100:; / r.i.:,pr-icoz or weld (14) úz -cleric with 9) r.and two adjacent Λ ' Si r *? and lamentation A ". í’M I W 1. slebo ΐoäobné It is a sleeve between> 3 r. ¾ / r? .ii ² for tr (&) 18 µl / mm ² at SO degrees C, while ranging between 100 and 110 H / µs, it shows a 16 resistance to Umbrella, umbrella or similar device according to claims 1 or S, characterized in that the flexible synthetic material used for the casing (9) has a hardness of less than 100 SHORE A, preferably between SO and 100 SHOP.E. Sun?, Dais? 4. A method according to claim 1. that flexible Is polyurethane; t-Erii similar structure /, / keel marks I '.'. £ ⁺ s? pi £ LŠL 33io? .y elssioiľ.er syr.teti ns 5. sunny., Da of days brad to claim 1 characterized sat d R, AE case (?) Is cpeirené imposed on the end (10) of the elastic (4) of a moderate guaranteeing the insertion of the end when ^- rs nozzle (4) RI zny tvar. ·: Or undercover for? (13) for the mold V -r. a bevelled (10) spring (4) that is 5 ' e. the device is sparse! (like the molds that allow insertion or welding machine joining segments f? .- .. 3E. č?). An umbrella, umbrella or similar device according to any one of the preceding claims, characterized in that the strip (9) is provided with a retaining shoe (60) which is opposite to the five. seam or weld-14) appearance (13) for receiving (13), wherein the retaining shoe (30) is provided on one side and / or the other side with grooves, grooves or similar roughening. Umbrella, umbrella or the like according to any one of the preceding claims, characterized in that it is a parasol. that the bearing (13) is provided with a bottom. port from the outside is plugged into the sewing but r: welding machine. 9. Sunlight, according to one or more drops facilitated rides: or similar e. Claims, characterized in that the shape (13) is, for example, square or ovoid in order to provide a spring or welding machine. r · 1% -S * ·· 1 “t u UrCsiJi.r. water passage • J · A device comprising an umbrella, an umbrella or the like according to the preceding claims, characterized in that the housing facilitating the displacement of the device is provided. his? é vr. or has it 11. Si: Sat. r. ·: stsvovanla sails umbrella, umbrella with or r >? -: <r. é:. Equipment pod Γ í í One of the t. w e r i s w o r i s nárek ον. in y she A 4 w 1 »J ú c i sa welding (14) the sleeve (9) to said segments (3A, 3B) at the end of the seam or weld line of the sheet (3A, 3Ξ) and the sleeve (Θ) or the welding machine. (18) s whole segments are introduced into the sewing