| 摘要 |
<p>The shoe (10) has a shell (11) made of rigid material, whose softening point is greater than 170 degree Celsius. An additive with a melting temperature less than 100 degree Celsius is mixed to the shell`s material in local portions of the shell with a proportion comprised between 10 and 25 percentages. The portions are formed by inserts that are made of material having rigidity same as that of the material of the shell. An independent claim is also included for a heating machine comprising a support.</p> |
