Fastening element
A fastening element for mineral constructional components has a shaft ( 12 ) provided with a tapping thread ( 14 ) extending, at least regionwise, along the shaft ( 12 ), and a coating ( 21 ) that covers the shaft ( 12 ) likewise at least regionwise and that is formed of a polar thermoplast.
1. A fastening element for mineral constructional components ( 6 ), comprising
a shaft ( 12 ) having rotatable application means ( 17 );
a tapping thread ( 14 ) extending, at least regionwise, along the shaft ( 12 ); and
a coating ( 21 ) provided on the shaft ( 12 ), at least regionwise, and formed of a polar thermoplast having a melting temperature of from 50° C. to 150° C., and which ensures that the coating ( 21 ) is sufficiently strong to firmly adhere on an outer surface of the shaft ( 12 ), wherein the polar thermoplast has a strength at a room temperature of from 2 N/mm 2 to 15 N/mm 2 .
2. A fastening element according to claim 1 , wherein the polar thermoplast is a thermoplastic ethylenvinylacetate (EVA).
3. A fastening element according to claim 1 , wherein the polar thermoplast is a thermoplastic polyurethane (TPU).
4. A fastening element according to claim 1 , wherein the polar thermoplast has a melting temperature of from 50° C. to 100° C.
5. A fastening element for mineral constructional components ( 6 ), comprising
a shaft ( 12 ) having rotatable application means ( 17 );
a tapping thread ( 14 ) extending, at least regionwise, along the shaft ( 12 ); and
a coating ( 21 ) provided on the shaft ( 12 ), at least regionwise, and formed of a polar thermoplast having a melting temperature of from 50° C. to 150° C., and which ensures that the coating ( 21 ) is sufficiently strong to firmly adhere on an outer surface of the shaft ( 12 ), wherein the polar thermoplast has a strength at a room temperature of from 2 N/mm 2 to 10 N/mm 2 .
6. A fastening element according to claim 5 , wherein the polar thermoplast is a thermoplastic ethylenvinylacetate (EVA).
7. A fastening element according to claim 5 , wherein the polar thermoplast is a thermoplastic polyurethane (TPU).
8. A fastening element according to claim 5 , wherein the polar thermoplast has a melting temperature of from 50° C. to 100° C.