Apparatus for calibrating an extruded plastic profile piece...

Details Apparatus for calibrating an extruded plastic profile piece... Apparatus for calibrating an extruded plastic profile piece...

2007-08-21

2007-08-21

Davis, Robert (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Including both heating and cooling means

C425S190000, C425S19200R

Reexamination Certificate

active

10555512

ABSTRACT:
An apparatus for calibrating an extruded plastic profile forming at least one longitudinal groove (5), comprises a calibrating body (1) receiving the profile (2). Body (2) comprises a form nose (6) with a cooling channel (9) engaging in the longitudinal groove (5) and extending in the direction of passage of the profile, and coolant bores (13, 14, 26) extending transversally to the form nose (6) and crossing its cooling channel (9). Cooling channel (9) which is open on both face sides is connected via a continuous slot (10) with a receiving recess (11) for sealing elements (12) which are inserted from the open face sides and form connecting openings (19) for the flow connection between the cooling channel (9) and the associated coolant bores (13, 26), which receiving recess penetrates the calibrating body (1) in the direction of passage and extends into the region of the coolant bores (13, 14, 26)

REFERENCES:
patent: 4401424 (1983-08-01), De Zen
patent: 6296464 (2001-10-01), Purstinger
patent: 6682330 (2004-01-01), Kossl
patent: 6814559 (2004-11-01), Kossl
patent: 2003/0012834 (2003-01-01), Kossl

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