01-06-2011 дата публикации
Номер: CN0102079132A
Принадлежит:
The invention discloses a positive pressure continuous expanding device of a heat shrinkable pipe, which comprises pipe conveying equipment (10), pressure maintained heating equipment (20), a pipe expanding mould (30), cooling equipment (60), heat shrinkable pipe dragging and sealing equipment (40) and a pressure air conveying equipment (50) which are arrayed in sequence; an air inlet pipe is arranged at one end of the heat shrinkable pipe; the other end of the heat shrinkable pipe is connected to the heat shrinkable pipe dragging and sealing equipment after passing through the pressure maintained heating equipment and the pipe expanding mould and is well sealed; pressure air is injected to a heat shrinkable pipe to be expanded; and the heat shrinkable pipe dragging and sealing equipment enables the heat shrinkable pipe to be successively subjected to heating and pipe expanding operations. A positive pressure continuous expanding technology of a heat shrinkable pipe, provided by the invention ...
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