D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
D21G 1/02 (2006.01)
Patent
CA 2364958
The invention relates to a calender bowl which can be heated by means of a heating medium that is in a liquid or gaseous state of matter. The calender bowl comprises a roll body (1) that is provided with peripheral bores (4) and flange journals (2, 3) comprising supply and discharge conduits for the heating medium. Thermal insulating bushes (8) are mounted on the end areas of the peripheral bores. The heating medium flows through the peripheral bores. The aim of the invention is to adapt the heat transfer from said bores to the lateral surface of the roll body to the respective heat requirements in such a way that the harmful measured differences stay within limits so that the product is not impaired. To this end, adjusting devices are allocated to the flange journals for controllably turning and/or axially displacing the insulating bushes.
L'invention concerne un rouleau de calandre chauffable par un agent chauffant à l'état fluide et/ou gazeux. Ce rouleau de calandre comprend un corps de rouleau (1) pourvu d'orifices (4) périphériques et doté à chaque extrémité de tourillons-flasques (2, 3) munis de conduites d'alimentation et d'évacuation destinées à l'agent chauffant. Les zones terminales respectives des orifices périphériques sont équipées de douilles thermo-isolantes (8). L'invention a pour objet d'adapter le transfert de chaleur des orifices périphériques, traversés par l'agent chauffant, à la surface extérieure du corps rouleau, aux besoins en chaleur respectifs de façon à limiter les différences de mesures néfastes pour ainsi éviter tout endommagement du produit. A cet effet, des dispositifs de réglage sont affectés aux tourillons-flasques pour permettre une rotation et/ou un déplacement axial controlés des douilles thermo-isolantes.
Hellenthal Ludwig
Kramer Berthold
Kronert Wolfgang
Patt Walter
Schonemann Joachim
Riches Mckenzie & Herbert Llp
Walzen Irle Gmbh
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