Title:
可塑性の材料から成る円筒形の部体を製造するための押出成形工具
Document Type and Number:
Japanese Patent JP4686185
Kind Code:
B2
Abstract:
The invention relates to an extruder tool for producing a cylindrical body which consists of plastic mass and has at least one recess extending in the interior thereof. The extruder tool comprises an extruder nozzle which has a narrowing region and a nozzle mouthpiece. The nozzle mouthpiece forms a cylindrical channel. In addition, a carrier device is provided, at which a number, which corresponds with the number of internal recesses, of threads is fastened or which has a number, which corresponds with the number of internal recesses, of channels for threadlike pressing of a volatile filler material into the mass flow. The carrier device consists of a number, which corresponds with the number of internal recesses, of carrier elements preferably of pin-like construction. Each of the carrier elements is fastened to the extruder nozzle in the region of the nozzle mouthpiece or in the tapering region and is preferably adjustable in radial direction.
Inventors:
Arno Friedrichs
Application Number:
JP2004516726A
Publication Date:
May 18, 2011
Filing Date:
June 27, 2003
Export Citation:
Assignee:
Arno Friedrichs
International Classes:
B21C23/01; B21C23/14; B21C25/02; B21C25/08; B22F3/20; B22F5/10; B29C48/30; B29C48/92; B29L23/00
Domestic Patent References:
| JP2002514138A | ||||
| JP1156405A | ||||
| JP6256808A |
Foreign References:
| US2422994 |
Attorney, Agent or Firm:
Toshio Yano
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel