B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/74 (2006.01) B29C 45/20 (2006.01) B29C 45/27 (2006.01) H05B 3/42 (2006.01) H05B 3/48 (2006.01)
Patent
CA 2167347
A hot runner (10) with an externally heated material pipe (16) and die tip (26) comprises a pre-mounted heating unit (20) with a sealing body (24) which supports a pipe (40) for a heat sensor (34) in a circumferential segment (46). The sealing body (24) made in particular of brass encloses concentrically an insulated heating coil (23) in a steel pipe (22) which is mechanically protectedby a partly sleeve-shaped retaining element (42). For example the sensor pipe (40) is supported in the sealing body (24) form-closed and/or material-closed between the edges of peripheral ends of a perforated sheet (42). The steel pipe (22) has a lateral recess (44) for inserting the connection points (36) of the heat sensor (34). The material pipe (16) is insertable into the heating device (20) able to conduct heat with the close positioning of its shaft (17) against the inner wall (25).
Fetherstonhaugh & Co.
Gunther Heisskanaltechnik Gmbh
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