Title:
液体を圧力下の溶融物質内に導入する方法及び装置
Document Type and Number:
Japanese Patent JP2007528302
Kind Code:
A
Abstract:
A method and plant for the introduction of a liquid into a molten mass under pressure. Such a method and plant are particularly, but not exclusively, suitable for the formation of a coating layer on a cable element having at least one conductor, the layer having an extruded thermoplastic polymer forming a continuous phase incorporating a dielectric liquid, and are useful, for example, in the production of an electric cable for the transportation and/or distribution of electrical power. The method includes the steps of bringing the liquid to a predetermined pressure greater than the pressure of the molten mass; feeding the liquid into a plurality of storage tanks, and injecting the liquid into the molten mass at an injection pressure equal to the above-mentioned predetermined pressure by means of a plurality of injectors in respective fluid communication with the plurality of storage tanks. Advantageously, this allows a substantial continuity of delivery of the liquid in a technologically simple way and at low cost, while ensuring a dispersion as uniform as possible of the liquid within the molten mass.
Inventors:
Balconi, Luka
Delanna, Gaia
Barrage, albert
Veri, Sergio
Delanna, Gaia
Barrage, albert
Veri, Sergio
Application Number:
JP2005510125A
Publication Date:
October 11, 2007
Filing Date:
October 31, 2003
Export Citation:
Assignee:
Prismian Kavi et Systemi Energia Sochieta a Responsorabilita Limitata
International Classes:
B29C45/18; B29C48/06; B29C48/335; B29C48/34; H01B13/14; B29L9/00
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Kiyotaka Totsuka
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Kiyotaka Totsuka