DE7808574U1 - Stringing strings for tennis rackets - Google Patents

Description

Utility model registration

" Long-term pine strings "

It is known tennis, squash or badminton rackets with gut or to string synthetic strings. Next are double strings as well as one A fine tube system that glides over all strings has become known. Even tennis strings have already been proposed that consist of intestinal or Synthetic strings or spring steel wire precisely fitting, perforated to longitudinally perforated, If necessary, coverings made of intestinal, leather, fabric, rubber or foam rubber-like products are pushed are.

Long-tongued strings were now used to string teunis, squash or badminton rackets ^ found, being 0.1 - 1.0 mm, preferably 0.3-0.6 ma in diameter, made of copper, aluminum or another soft metal, metal core strings or made of metal « threads forfeited, the thinnest natural and / or synthetic strings existing, preferably Twisted mixed strings 0.1 - 2.0 mm thick coatings made of elastic plastics or n% ürl. or artificial rubber up to one Total string diameter of 1.0 - 2.0 mm, preferably 1.2 - 1.6 mm, be applied.

The elastic plastics that can be used are primarily polyamides and soft polyethylenes and the same polyvinyl chloride can be used.

Coating with these plastics, as well as with the different ones Types of rubber, for example, by using the Me + .all strings as long as through a liquid veil or curtain from the affected Lets plastic or rubber solutions run through, bit ^ on the surface the metal core string has formed a sufficiently thick coating, i.e. "metal layer or long-term tennis strings in the respectively desired, correct dimensions are available.

Both the metal core string and the coating applied to it unusually hard-wearing and therefore also very long-lasting and are sucked for the first time with the present invention. Long term tennis presented, which compared to the natural and synthetic strings that have been used up to now are also interesting in terms of play Offer advantages.

Depending on what the player in question prefers for t-ic Spielj, a quick one! or a slow one, depending on the one used for the core string Metal and the type of coating used in each case between different

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* _β

echiedeaen long-term strings and those for him. most suitable choose for it.

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example

A 0.5 mm thick coating of UItramid M C, a mixed polyamide of 5 components based on Capro-

im, hexamethylenediamine / adipic acid and ρ, ρ'-diaminodicyclohexylthane / adipic acid, on.

thus receives a 1.5 mm diameter, new, previously I did not use copper-plated strings that were used, the special good among other things too Stringing of tennis rackets is suitable.

this covering, not least because of the polyamide coating j
j0 * r strings, which are quite elastic, can be loaded with such a medium-hard

Both tennis rackets and hard hits from the opponent were problem-free l ^ tournaments, like these, moreover, even in "dead" stop or Transform volleyballs and hit hard at the same time return.

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-S-

Figure list LTS = long-term tennis string MKS = metal core BS = coating with plastics or rubber

7808574 07/27/78

Claims (1)

'- • ■ k - claim Long-term tennis strings for stringing tennis, squash or Badminton racket, characterized in that 6.1 to 1.0 mm, preferably 0.3 and 0.6 mm in diameter Copper, aluminum or another soft metal existing metal core strings or made of the thinnest strings knitted with metal threads Natural and / or synthetic strings, preferably twisted mixed strings, 0.1 to 2.0 mm thick coatings made of elastic plastics or natural or artificial rubber up to a total approximate diameter from 1.0 to 2.0 mm, preferably 1.2 to 1.6 mm, can be applied. 7808574 07/27/78