| 摘要 |
<p>A heat application member (5) for heat sealing materials together comprises a portion of resilient solid material (56) and resistive means for providing heat, the member being arranged to discharge heat through at least one location on the external surface (6) of the member. The member may be incorporated in heat sealing apparatus comprising a pair of confronting reciprocable jaws or may comprise an endless belt. A heat sealing method and heating circuit are also described.</p> |
