DE10046239A1 - Band-shaped article of daily use, in particular made from solid-fiber fleece and method for producing the band-shaped article - Google Patents

Abstract

The invention relates to band-type and graphically designed products, especially watch bracelets, suitcase straps, bands, decorative bands, belts and the like, in addition to a method for the production thereof. The base material of the band-type products, preferably contains cotton or can alternatively or additionally contain cellulose and/or hemp and/or plastics and is preferably used in a fibre, non-woven fabric form although it can also be used in the form of wovens. The base material is reinforced by means of a reinforcing agent so that it remains sufficiently flexible. A synthetic latex made from a dispersion of a polymer made of 2-chloro-butadiene and/or natural latex and/or natural rubber and/or silicon rubber and /or polyurethane is especially used as a reinforcing agent. One advantage of the inventive band-type reinforced flexible products is high service life, in addition to low production costs, recyclability, compatibility with body contact and good opportunities for graphic design of the surfaces. The method for producing these band-type products consists of a number of steps: provision of a reinforced multipurpose compressed sheet made of raw material, pre-treatment with heat and humidity using pressure and finishing the desired form of the band-type objects using a heated band steel cutting tool.

Description

The present invention relates to tapes and graphically designed products, in particular a watch strap, suitcase strap, hat strap, Jewelry ribbon, belt and the like, and a method for manufacturing such band-shaped objects according to the preambles of independent claims.

A band-shaped object in the form of a watch band, suitcase band, hat band, jewelry band, belt and the like is subject to a number of requirements, such as
high bending load resistance,
Thinness and flexibility,
high tensile strength,
graphic surface design,
Surface feel on both sides,
Skin tolerance or allergy-free when used as a watch strap and resistant to fungi,
long service life in terms of function and visual appearance,
cheaper general manufacturing costs,
lower manufacturing costs even for customer-specific small series,
high integral life cycle requirements or reusability, recyclability and disposability
and many other aspects.

In known band-shaped objects, materials are predominantly used from leather, in particular from a so-called upper leather and lining leather or from laminates in connection with fabrics and with Plastic materials, as well as from thermoplastic elastic materials and laminates with embedded graphic design, as well as with metallic Elements.

In AT 379 734 straps with seams made of threads and fibers are used Increased tensile strength especially when used as Watch band described.

EP 0 038 793 describes an object made in particular of a flexible material described in order to avoid skin allergies respectively Skin irritation that which has a layer facing the skin, which the transfer of allergens and / or irritants to or in prevents the wearer's skin. The layer can be a metal layer or a Be paint layer containing metal particles.

EP 0 097 638 also describes a belt made of upper material and lining, In particular made of leather, described, which have an elastic layer are interconnected. The material of the elastic middle layer,  the so-called connection layer, can go up to the outer edges of the long edges are sufficient. In a further training, the upper leather and Lining leather consist of a single blank that is in the range of forming loop is bent. Furthermore, the invention is not on straps limited from leather, so the upper and / or the lining can from a different material, in the material from the bottom the connection layer can penetrate exist.

In EP 0 133 181 a belt consisting of an upper part and a Lining called, in particular made of leather or leather-like material are formed and with each other by gluing, sewing or the like are connected. There is a connector on at least one end of the belt made of rigid material, such as metal or plastic, being between a strain relief member is arranged on the upper material and the lining is connected to the connecting part by forming a loop. As Connection technologies of the strain relief member are gluing, Welding, mechanical fastening, such as B. clamping.

EP 0 149 442 describes a belt consisting of at least two layers called and is a braided, woven, knitted and the like Top layer for producing a high quality belt called.

EP 0 199 708 describes a method for producing objects which at least one layer of leather or leather-like material and one with this layer have a positively connected layer of plastic, described. Injection molding, injection molding and injection stamping are already Called process and further that the plastic when introduced into the shape to form connecting parts, closures or the like can form a spatial structure, as well as transversely to the longitudinal extent of the belt running eyelet and that the plastic on one End of the strap to a clasp and at the other end to one Can form closing counterpart. In addition, it is already stated here that  with the layer of leather by inserting the plastic into the mold Connecting parts, decorative parts, in particular made of metal, can be connected.

EP 0 812 679 describes so-called inlaid decorative laminates thermoplastic back injection described and can be very flexible, elastic, graphically and surface-wise largely arbitrarily configurable and highly abrasion-resistant components, especially belts such as Watch band parts.

WO 99/51119 describes a band-shaped object, in particular Bracelet, jewelry band, watch band, a single element for it and a Process for producing the band-shaped article described. The band-shaped object comprises at least one continuous holding means and at least one individual element held thereon and have the Individual elements for receiving the holding means at least one recess described on ribbon-shaped object.

The disadvantage of the band-shaped objects of the prior art is that these only insufficiently meet the requirements mentioned above, such as high Service life, low manufacturing costs, recyclability, body contact Compatibility and good options for graphic design of the Surfaces.

The object of the present invention is band-shaped objects starting from the above-mentioned prior art to provide which these requirements such as long service life, low manufacturing costs, Recyclability, physical contact tolerance and good possibilities of better fulfill the graphic design of the surfaces.

The technical teaching of the serves to solve the above-mentioned tasks independent claims.  

According to the invention, in particular for the band-shaped objects Cotton fiber fleece used, for example with synthetic latex and / or Natural latex and / or a matrix of polyurethane dispersion is solidified and after appropriate pretreatment graphically z. B. by means of screen printing, Offset printing, digital printing media such as color copiers and Laser and ink jet printers, is designed and by means of (band steel cut) The desired band-shaped objects are produced, which can be treated afterwards.

In particular, the following cotton fiber fleece is used for this:
Cotton-Cotton-Fiberflies Texon Möckmühl T 438 - Cotton, consolidated with a synthetic latex, consisting of a dispersion of a polymer from 2-chloro-butadiene as well as anti-aging and vulcanizing agents, cotton-cotton content <60%, density <0.70 g / cm ³ , pH 7.0-8.5.

Alternatively or in addition to this: instead of 2-chloro-butadiene
→ matrix of natural latex or natural rubber dispersion,
→ Matrix made of silicone rubber dispersion,
→ Matrix made of polyurethane dispersion.

Alternatively or in addition to this: instead of cotton fiber fleece
→ cellulose fiber fleece,
→ hemp fabric / fleece,
→ polyester satin fabric / fleece,
→ polypropylene fabric / fleece,
→ Microfiber fabric / fleece made from various thermoplastic materials.

According to the invention, therefore, in particular for the band-shaped objects a cotton fiber fleece used, for example with synthetic latex (as offered by the Type T 438 from Texon Möckmühl) and / or  Natural latex and / or a matrix of polyurethane dispersion is solidified and after appropriate pretreatment graphically using screen printing, offset printing, digital print media such as color copiers and laser and ink jet Printers is designed and using band steel cutting tools in the desired band-shaped shape and possibly post-treated.

The invention is based on the knowledge that such Cotton fiber fleece elements with material thicknesses from 0.3 to 3.0 mm, preferably 0.8 to 2.0 mm and typically 1.5 mm after a corresponding one Conditioning, i.e. storage and / or treatment at temperature and humidity conditions in the stack over a period of at least 24 hours, which is also the case with graphic processing are required, are very easy to machine. Typical values are 22 ° C plus / minus 2 degrees and a relative humidity of 55% plus / minus 5% or if possible and when realizing graphically demanding designs and when using large areas Print formats with less deviation.

Machinability here is the creation of the stack in one Printing machine understood, the stacking on a stack and further the Possibility of such printing sheets in, for example, offset printing machines and / or gravure printing machines and / or screen printing machines and / or Color copying machines and / or color laser printers and / or color ink jet Printers and / or digital offset printing machines (such as from Indigo or Xeikon offered) to have printed.

Experience has shown that offset printing machines can be used for medium to large-sized presses Series of inexpensive and very high-resolution graphic designs will be realized.

Small series and samples, however, are preferred by means of Color copying machines and produced by screen printing.  

Effect colors, such as metallic effects, luminescent and phosphorescent or long afterglow effects, as well as Iriodin effects and iridescent color effects and dirt-repellent effects are preferred manufactured using screen printing technology and moreover they are already mentioned printing techniques used in different combinations.

In particular, using color copiers and / or offset printing machines graphically designed printed sheets using screen printing with effect colors provided, dirt-repellent coatings, such as Oleophobol C or S available from Ciba / Du Pont, are preferably spray coated and form a kind of transparent Teflon like and thus very dirt-repellent surface.

The invention is further based on the knowledge that such cotton Fiber-fleece materials are very easy using band steel cutting tools, reproducible, cost-effective and precisely in the form of a ribbon Object can be brought and in particular the edges a preferred one-sided fillet and a fray can be avoided and at the same time necessary (elongated) hole-shaped Cutouts can be made.

In a further development, the band steel knives can in particular be provided at different angles and so to the different requirements and circumstances, such as Adjusted material thickness and density of the cotton fiber fleece material, or be optimized.

In an additional development, the band steel cutting tools can still be equipped with embossing elements, so that in one operation the outer contour and the mostly hole-shaped cutouts can be produced and appropriate surface embossing can be produced. Preferred and for  The corresponding process times will be reduced Steel strip cutting tools operated at elevated temperature. In doing so Temperatures ranging from room temperature to about 130 ° C, however typically 90 ° C used.

In a development of the embodiment, at least one end of the band-shaped object in the thickness z. B. by grinding and / or by splitting using special knives reduced that a loop is formed by bending about 180 ° and the reduced-thickness elements come to lie on top of each other and with Cold glue and / or hot glue are joined together under pressure can and in particular be pretreated with adhesive in such a way that only in the application and adaptation to, for example, a special product, such as for example a watch that can be connected.

In a further variant of the embodiment, at least one end of the band-shaped object in the thickness z. B. by grinding and / or by splitting using special knives reduces the band-shaped object into an injection mold and / or casting tool and / or transfer molding press tool inserted can be and at least one reduced-thickness end of the band-shaped Object with thermoplastic and / or injection moldable thermoplastic elastomers is molded in such a way that Closure elements are formed and the entire thickness in Connection area is only slightly thicker than the band-shaped object.

In particular, connection parts, Clasps or the like can be formed into a spatial structure as also transverse to the longitudinal extent of the band-shaped object Eyelet is formed and the plastic can be attached to one end of the band-shaped object to a clasp and at the other end a closing counterpart are formed.  

In addition, metallic elements such as spring axles and / or metallic decorative elements, as well as other plastic elements in the casting Shapes are introduced and shaped to form an integral element become.

In a further development of the molding of closure elements by means of casting Technology can handle the high closing pressure of injection molding machines and / or Transfer casting presses for surface embossing of the band-shaped Object can be used and in particular the Tool temperature must be increased so that with usual casting cycle times permanent surface embossing can take place. Are preferred Temperatures in the range from room temperature to 130 ° C are used reach, but 90 ° C are typical.

In the following the invention is based on several ways of execution illustrative drawings explained in more detail. Here go from the Drawings and their description further features and advantages of Invention.

Show it:

FIG. 1a schematically a plan view of a tape-like object in a preferred embodiment with loop-hole end portion,

FIG. 1b schematically a plan view of a tape-like object in a preferred embodiment with loop loop-end portion,

Fig. 2a schematically shows the section along the line AB through the longitudinal axis of the belt-shaped object according to Fig. 1a,

Fig. 2b schematically shows the section along the line AB through the longitudinal axis of the belt-shaped object according to Fig. 1b,

Fig. 3 schematically shows the section through an end portion with holes of a tape-shaped object,

Fig. 4 schematically the section of another end portion of a band-shaped object in the semi-finished state,

Fig. 5 schematically the section of another end portion of a band-shaped article of FIG. 4 in the finished state, that is to say with bonded end region,

FIG. 6a shows a comparison with FIG. 4 modified embodiment with a molded thermoplastic member with eyelet,

Fig. 6b is a comparison with FIG. 6a modified embodiment with a molded thermoplastic member having anchoring eyelet and the thermoplastic element,

Fig. 7a plan view of Fig. 6a,

Fig. 7b plan view of Fig. 6b,

Fig. 8 shows a modified embodiment compared to 6b with multiple anchor,

Fig. 9 plan view of Fig. 8.

FIG. 1a schematically a plan view of a tape-shaped object 1 with perforated and loop end portion, wherein a plurality of holes 4 are mounted in the end region 3, and reduced the strength of the band-shaped object 1 in the loop end portion 5, in order in a later method step, then these loops -End region to form the final loop, in which loop a corresponding anchoring element, for example a watch, is then received. The band-shaped object 1 is thus designed in the form of a watch strap according to FIG. A, this watch strap being shown with FIG. 2a of the sections along the line from FIG. 1a. It can be seen here that three through holes 4 are made in the loop end region, which can then accommodate a further anchoring element of another band-shaped object, such as the second band of a wristwatch.

According to FIG. 3, an enlarged representation is now shown in the area of these through holes 4 , whereby it can be seen that the through holes 4 have upper cut edges 6 on their upper visible side, which are introduced in the same process step as the production of the band-shaped object by the band steel cutting tool , or in a separate process step, which can be upstream or downstream of the process step of producing the band-shaped object.

FIGS. 1b and 2b show respectively a plan view and a side view in section of another embodiment of a band-shaped object 2 with bilateral loop end regions 5, wherein in both end regions after corresponding refolding and connection again (adhesive bonding, welding) corresponding anchoring elements of separate objects or more band-shaped objects can be added.

According to FIG. 4, a loop end portion 5 which is shown in Fig. 1a, 1b, 2a and 2b, shown in an enlarged view. It can be seen here that the thickness or thickness of the respective band-shaped object 1 , 2 is correspondingly reduced in the region of this loop end region 5 , here preferably to approximately 50% of the thickness or thickness of the band-shaped object 1 , 2 . A corresponding adhesive layer 7 is now applied in the lower region of this loop end region, that is to say in the subsequently processed region, which then, after introduction of a corresponding anchoring element in this region, enables the loop formed in the region of the loop end region to surround the anchoring element then remains in the desired position.

In Fig. 5 the loop finished formed is then shown, having been passed around the eyelet 8 as an anchoring element in the loop end portion 5 of the band-shaped articles 1, 2 of the reduced thickness end portion in the loop shape, wherein the position shown in Fig. 4, applied adhesive layer 7 then holds the loop in position around the eyelet 8 by gluing the outer end region onto the further inner end region of the band-shaped object 1 , 2 . The adhesive layer 7 is thus in turn adhered to itself, preferably in the form that the band-shaped object 1 , 2 now has the same thickness or thickness over its entire length after the formation of the loop 12 , and only in the area of the eyelet 8 undergoes a slight increase in thickness with the shape of a bead.

FIG. 6a shows by comparison with FIG. 4 is a modified embodiment of a band-shaped article 1, 2 in the loop end portion in an enlarged view. It can be seen here that in a further method step according to the embodiment of the band-shaped object 1 , 2 according to FIG. 4, no adhesive 7 was applied in the thick, reduced end region 5 of the band-shaped object 1 , 2 , but that after the reduction in thickness in the end region 5 thermoplastic element 9 is formed with eyelet 11 .

Referring to FIG. 6b is a similar conformation is a thermoplastic element 9 shown with a loop 11 in the end portion 5 of the tape-shaped end portion 1, 2, however, the thermoplastic element is an anchor 10 is provided for further securing or exclusive. This anchor 10 is passed through a corresponding opening in the end region 5 of the band-shaped object 1 , 2 and thus forms a positive connection.

FIGS. 7a and 7b show the respective top views of FIGS. 6a and 6b, it being possible to see in the figures that the eyelet 11 passes completely through the width of the band-shaped object 1 , 2 and that it can be seen in FIG. 7b that the anchoring 10 can also be provided in multiple forms, for example across the width.

FIGS. 8 and 9 show yet another embodiment of the conformation of a thermoplastic member with eyelet at the thickness-reduced tube-end portion 5 of a ribbon-shaped object 1, 2. In this embodiment, not only one or more eyelets 10 according to the embodiment in FIGS. 6a, 6b, 7a and 7b are provided, but such anchors are provided in multiple designs and in addition other anchors in the form of undercuts or the like.

drawing Legend

1

Band-shaped object with hole and loop end area

2

Band-shaped object with loop-loop end area

3

Holes end portion

4

holes

5

Loop end portion

6

Upper cutting edge

7

adhesive layer

8th

eyelet

9

Molded thermoplastic element

10

anchoring

11

eyelet

12

loop

Claims (33)

1. band-shaped object ( 1 ; 2 ) for use in everyday objects, in particular as a watch strap, suitcase band, hat band, jewelry band, belt and the like, characterized in that the base material of the band-shaped object ( 1 ; 2 ) is solidified by means of a strengthening agent, that it's still flexible enough. 2. Band-shaped object ( 1 ; 2 ) according to claim 1, characterized in that the base material of the band-shaped object ( 1 ; 2 ) contains cotton. 3. Band-shaped object ( 1 ; 2 ) according to claim 1 or 2, characterized in that the base material of the band-shaped object ( 1 ; 2 ) contains cellulose and / or hemp. 4. Band-shaped object ( 1 ; 2 ) according to claim 1 to 3, characterized in that the base material of the band-shaped object ( 1 ; 2 ) contains plastic. 5. Band-shaped object ( 1 ; 2 ) according to claim 4, characterized in that the plastic is a polyester and / or polyester satin and / or polypropylene. 6. Band-shaped object ( 1 ; 2 ) according to one of claims 1 to 5, characterized in that the base material of the band-shaped object ( 1 ; 2 ) consists of a fiber fleece or a fabric. 7. Band-shaped object ( 1 ; 2 ) according to one of claims 1 to 6, characterized in that the solidifying agent contains a synthetic latex. 8. Band-shaped article ( 1 ; 2 ) according to claim 7, characterized in that the synthetic latex consists of a dispersion of a polymer of 2-chloro-butadiene. 9. Band-shaped object ( 1 ; 2 ) according to one of claims 1 to 8, characterized in that the solidifying agent contains a natural latex and / or natural rubber and / or silicone rubber. 10. Band-shaped object ( 1 ; 2 ) according to one of claims 1 to 9, characterized in that the solidifying agent contains a polyurethane. 11. Band-shaped object ( 1 ; 2 ) according to one of claims 1 to 10, characterized in that the band-shaped object ( 1 ; 2 ) contains anti-aging agents and / or vulcanizing agents. 12. Band-shaped object ( 1 ; 2 ) according to one of claims 1 to 10, characterized in that at least one outer side of the band-shaped object ( 1 ; 2 ) is graphically designed in terms of printing technology. 13. Band-shaped object ( 1 ; 2 ) according to claim 12, characterized in that effect colors such as fluorescent, phosphorescent, metallic, iriodin and iridescent color effects are used. 14. Band-shaped object ( 1 ; 2 ) according to one of claims 12 or 13, characterized in that dirt-repellent effects are used. 15. Band-shaped object ( 1 ; 2 ) according to claim 1 to 14, characterized in that the band-shaped object ( 1 ; 2 ) has a total thickness of about 0.3 to 3.0 mm. 16. Band-shaped object ( 1 ; 2 ) according to claim 1 to 15, characterized in that the band-shaped object ( 1 ; 2 ) has additional surface embossings. 17. A band-shaped object ( 1 ; 2 ) according to claim 1 to 16, characterized in that at least one end of the band-shaped object ( 1 ; 2 ) is molded with thermoplastic and / or injection-moldable thermoplastic elastomers such that closure elements ( 9 ) are formed become. 18. A method for producing a band-shaped object ( 1 ; 2 ), in particular cotton fiber fleece, characterized in that the following method steps are carried out:

• a) Provision of a flexible multiple-use press sheet made from raw material, consolidated by means of consolidation means, for the production of the band-shaped object ( 1 ; 2 );
• b) pretreatment with heat and moisture under pressure;
• c) at least one-sided graphic design of the surface; and
• d) making the desired shape of the band-shaped object ( 1 ; 2 ) using a tool.

19. The method according to claim 18, characterized in that the tool for the design of the band-shaped object ( 1 ; 2 ) in step d) is a band steel cutting tool. 20. The method according to any one of claims 18 or 19, characterized in that that steps c) and d) are interchanged. 21. The method according to any one of claims 18 to 20, characterized in that that the multipurpose print sheet is approximately a size of A4 or 700 × 1200 mm.   22. The method according to any one of claims 19 to 21, characterized in that by means of the tool other desired cutouts are made simultaneously with the band shape according to step d) or separately in the band-shaped object ( 1 ; 2 ) or its base material. 23. The method according to any one of claims 19 to 22, characterized in that by means of the tool, the processing edges are rounded off on the cutting side simultaneously with the strip shape according to step d) or separately into the strip-shaped object ( 1 ; 2 ) or its base material and the cutting edges without Fraying are made. 24. The method according to any one of claims 19 to 23, characterized in that additional surface embossings are introduced by means of the tool simultaneously with the band shape according to step d) or separately into the band-shaped object ( 1 ; 2 ) or its base material. 25. The method according to any one of claims 20 to 24, characterized in that the band steel cutting tool at elevated temperature in the area is operated between room temperature and 130 ° C. 26. The method according to any one of claims 19 to 25, characterized in that that the graphic design of the surface using printing machines he follows. 27. The method according to any one of claims 19 to 26, characterized in that, at the same time as the band shape according to step d) or separately, the band-shaped object ( 1 ; 2 ) or its base material is reduced in thickness at least at one end. 28. The method according to claim 27, characterized in that the reduction in the thickness of the at least one end of the band-shaped object ( 1 ; 2 ) or its base material is done by grinding and / or splitting using special tools. 29. The method according to any one of claims 19 to 28, characterized in that loops are formed by bending and superimposing the reduced-thickness ends of the band-shaped object ( 1 ; 2 ) or its base material, which are connected to one another with cold adhesive and / or hot adhesive under pressure. 30. The method according to any one of claims 19 to 28, characterized in that the reduced-thickness ends of the band-shaped object ( 1 ; 2 ) or its base material are pretreated with adhesive in such a way that the loops are only connected when they are attached to the respective everyday object. 31. The method according to any one of claims 19 to 30, characterized in that at least one of the reduced-thickness ends of the band-shaped object ( 1 ; 2 ) or its base material is inserted into an injection molding tool and / or casting tool and / or transfer molding press tool and is molded with thermoplastic and / or injection-moldable thermoplastic elastomers, so that closure elements are formed. 32. The method according to claim 31, characterized in that simultaneously with insertion in an injection mold and / or mold and / or transfer molding press tool additional Surface embossing can be brought about. 33. The method according to claim 32, characterized in that for Reduction of the cycle times of the embossing die and / or Casting tool and / or transfer molding press tool on an elevated  Temperature operated approximately in the range from room temperature to 130 ° C. becomes.