Claims (10)
1. Lončasti ležaj, koji se sastoji od lonca, elastomerne podloge smještene u spomenutom loncu, ploče koja se naslanja na spomenutu elastomernu podlogu i strši barem djelomično u lonac i najmanje unutarnje brtve koja okružuje rub elastomerne podloge kako bi se postiglo klizno brtvljenje između potonjeg i lonca, pri čemu je spomenuta brtva izrađena u cjelosti ili uglavnom od politetrafuloroetilena, naznačeno time, što je navedeni politetrafluoroetilen modificiran dodatkom perfluoropropilviniletera u postotku u rasponu između 0,1 i 0,3 % masenog udjela.1. A pot bearing, which consists of a pot, an elastomeric base located in said pot, a plate resting on said elastomeric base and projecting at least partially into the pot, and at least an internal seal surrounding the edge of the elastomeric base to achieve a sliding seal between the latter and pot, wherein said seal is made entirely or mainly of polytetrafluoroethylene, characterized by the fact that said polytetrafluoroethylene is modified by the addition of perfluoropropylvinyl ether in a percentage ranging between 0.1 and 0.3% by mass.
2. Lončasti ležaj u skladu s patentnim zahtjevom 1, naznačeno time, što je navedeni politetrafluoroetilen modificiran dodatkom perfluoropropilviniletera u postotku u rasponu između 0,1 % i 0,3 % masenog udjela također napunjen ugljikom.2. A pot bearing in accordance with claim 1, characterized in that said polytetrafluoroethylene modified by the addition of perfluoropropylvinylether in a percentage ranging between 0.1% and 0.3% by mass is also filled with carbon.
3. Lončasti ležaj u skladu s patentnim zahtjevom 2, naznačeno time, što je navedeni politetrafluoroetilen napunjen ugljikom u postotku iznad 15% težinskih postotaka, poželjno između 20% i 30%, još poželjnije 25%.3. A pot bearing according to claim 2, characterized in that said polytetrafluoroethylene is filled with carbon in a percentage above 15% by weight, preferably between 20% and 30%, even more preferably 25%.
4. Lončasti ležaj u skladu s bilo kojim od prethodnih patentnih zahtjeva, naznačeno time, da je brtva dobivena od poluproizvoda koji se sastoji od trake, po mogućnosti trake dobivene postupkom izvlačenja.4. A pot bearing according to any of the preceding patent claims, characterized in that the seal is obtained from a semi-finished product consisting of a strip, preferably a strip obtained by a drawing process.
5. Lončasti ležaj u skladu s bilo kojim od prethodnih patentnih zahtjeva, naznačeno time, da je brtva opremljena silikonskom mašću, poželjno litijem saponificiranim metil fenil silikonskim uljem.5. A pot bearing according to any of the preceding patent claims, characterized in that the seal is equipped with silicone grease, preferably lithium saponified methyl phenyl silicone oil.
6. Lončasti ležaj u skladu s bilo kojim od prethodnih patentnih zahtjeva, naznačeno time, da nadalje uključuje dodatni ravni klizni element koji omogućuje translacijska pomicanja između gornjeg ustroja i donje strukture povezane ležajem.6. A pot bearing according to any of the preceding patent claims, characterized in that it further includes an additional flat sliding element that enables translational movements between the upper structure and the lower structure connected by the bearing.
7. Lončasti ležaj u skladu s patentnim zahtjevom 6, naznačeno time, što ravni klizni element uključuje ploču izrađenu od politetrafluoroetilena modificiranog dodatkom perfluoropropilviniletera u postotku između 0,1 % i 0,3 % masenog udjela.7. Pot bearing according to patent claim 6, characterized in that the flat sliding element includes a plate made of polytetrafluoroethylene modified by the addition of perfluoropropylvinylether in a percentage between 0.1% and 0.3% by mass.
8. Lončasti ležaj u skladu s patentnim zahtjevom 6 ili 7, naznačeno time, što nadalje uključuje jednu ili više kliznih vodilica kako bi se omogućila translacijska kretanja samo u jednom smjeru.8. A cup bearing according to claim 6 or 7, characterized in that it further includes one or more sliding guides to enable translational movements in only one direction.
9. Lončasti ležaj u skladu s bilo kojim od prethodnih patentnih zahtjeva, naznačeno time, da je elastomerna podloga prstenastog oblika s dvije unutarnje brtve koje su smještene na vanjskom obodu ruba i na unutarnjem obodu elastomerne podloge.9. A cup bearing according to any one of the preceding patent claims, characterized in that the elastomeric base is ring-shaped with two internal seals located on the outer circumference of the edge and on the inner circumference of the elastomeric base.
10. Lončasti ležaj u skladu s bilo kojim od prethodnih patentnih zahtjeva, naznačeno time, da je elastomerna podloga ovalnog oblika.10. A pot bearing in accordance with any of the preceding patent claims, characterized in that the elastomeric base is oval in shape.