BE724873A - - Google Patents
Info
- Publication number
- BE724873A BE724873A BE66955A BE66955A BE724873A BE 724873 A BE724873 A BE 724873A BE 66955 A BE66955 A BE 66955A BE 66955 A BE66955 A BE 66955A BE 724873 A BE724873 A BE 724873A
- Authority
- BE
- Belgium
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE66955A BE724873A (US07993877-20110809-P00003.png) | 1968-12-04 | 1968-12-04 | |
CH1612469A CH501489A (fr) | 1968-12-04 | 1969-10-29 | Tête d'extrusion pour la production d'éléments en polyoléfine à structure cellulaire |
ES373363A ES373363A1 (es) | 1968-12-04 | 1969-11-08 | Un dispositivo de cabezal de extrusion para la produccion de poliolefinas celulares. |
DE6945123U DE6945123U (de) | 1968-12-04 | 1969-11-20 | Extrusionskopf zur erzeugung von zellfoermigen polyolefinen |
FR6940043A FR2025164A1 (en) | 1968-12-04 | 1969-11-20 | Extrusion of expanded polyolefins through a die having |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE66955A BE724873A (US07993877-20110809-P00003.png) | 1968-12-04 | 1968-12-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE724873A true BE724873A (US07993877-20110809-P00003.png) | 1969-06-04 |
Family
ID=3841154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE66955A BE724873A (US07993877-20110809-P00003.png) | 1968-12-04 | 1968-12-04 |
Country Status (5)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013108045B9 (de) | 2013-07-26 | 2017-09-21 | Windmöller & Hölscher Kg | Blasfolien-Extrusionsvorrichtung, Temperaturregelung für eine Blasfolien-Extrusionsvorrichtung und Verfahrenzur Temperaturregelung einer Blasfolien-Extrusionsvorrichtung |
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1968
- 1968-12-04 BE BE66955A patent/BE724873A/xx unknown
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1969
- 1969-10-29 CH CH1612469A patent/CH501489A/fr not_active IP Right Cessation
- 1969-11-08 ES ES373363A patent/ES373363A1/es not_active Expired
- 1969-11-20 FR FR6940043A patent/FR2025164A1/fr not_active Withdrawn
- 1969-11-20 DE DE6945123U patent/DE6945123U/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE6945123U (de) | 1970-04-02 |
ES373363A1 (es) | 1972-01-16 |
FR2025164A1 (en) | 1970-09-04 |
CH501489A (fr) | 1971-01-15 |