Title:
HEAD FOR MULTI-LAYER EXTRUSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/144925
Kind Code:
A1
Abstract:
Provided is a head for a multi-layer extrusion device which can be easily and accurately adjusted to a change in size of an extruder and a change in extrusion shape. A head 1 for a multi-layer extrusion device is provided with a plurality of flow paths for separately guiding elastomer materials G from a plurality of extruders 2 to a pre-former attachment unit. The head 1 comprises: a main head 10 to which each extruder 2 is connected; an upper head part 11 positioned above the main head 10; and a lower head part 12 positioned below the main head 10. The plurality of extruders 2 include a first extruder 5 and a second extruder 6. The main head 10 is detachably divided into at least: a first head part 15 to which the first extruder 5 is connected; a second head part 16 to which the second extruder 6 is connected; a third head part 17 connected to the first head part 15 on the downstream side of the first head part 15; and a fourth head part 18 connected to the second head part 16 on the downstream side of the second head part 16.
Inventors:
HASHIMOTO TAKESHI (JP)
Application Number:
PCT/JP2019/043495
Publication Date:
July 16, 2020
Filing Date:
November 06, 2019
Export Citation:
Assignee:
NAKATA ENG CO LTD (JP)
International Classes:
B29C48/18
Foreign References:
| JPS5970534A | 1984-04-21 | |||
| JP2013525165A | 2013-06-20 | |||
| JPS6119331A | 1986-01-28 |
Other References:
See also references of EP 3895875A4
Attorney, Agent or Firm:
SUMITOMO Shintaro (JP)
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