초록 ▼

A method and apparatus of introducing and joining diaphragms in slotted walls. The slotted inner connecting pipe of one diaphragm is introduced into the slotted outer connecting pipe of another diaphragm. An apparatus for fusing together the two connecting pipes is placed within the interior of the

A method and apparatus of introducing and joining diaphragms in slotted walls. The slotted inner connecting pipe of one diaphragm is introduced into the slotted outer connecting pipe of another diaphragm. An apparatus for fusing together the two connecting pipes is placed within the interior of the inner pipe and can move through the latter. The apparatus has a heating device for heating and fusing the two connecting pipes together.

대표청구항 ▼

An apparatus for joining together the slotted inner connecting pipe of a diaphragm section with the slotted outer connecting pipe of another diaphragm section in a slotted wall, with said inner connecting pipe being inserted in said outer connecting pipe; said apparatus comprising: an extruder for e

An apparatus for joining together the slotted inner connecting pipe of a diaphragm section with the slotted outer connecting pipe of another diaphragm section in a slotted wall, with said inner connecting pipe being inserted in said outer connecting pipe; said apparatus comprising: an extruder for extruding fusable material; at least one guide means which extends to, and opens into, said extruder, and in which a welding rod can be moved to said extruder; a granulating part connected to said extruder, in the vicinity of where said guide means opens into the latter, for shearing off said welding rod in a granulation manner; a heating mechanism connected downstream of said granulating part, when viewed in the direction of movement of said welding rod, for melting the individual granules separated from the latter; and at least one welding shoe, which is connected to said extruder downstream of said granulating part, and has at least one outlet opening directed at the location which is to be fused.