ES371896A1 - Un metodo de moldear perlas termoexpansibles de material termoplastico. - Google Patents
Un metodo de moldear perlas termoexpansibles de material termoplastico.Info
- Publication number
- ES371896A1 ES371896A1 ES371896A ES371896A ES371896A1 ES 371896 A1 ES371896 A1 ES 371896A1 ES 371896 A ES371896 A ES 371896A ES 371896 A ES371896 A ES 371896A ES 371896 A1 ES371896 A1 ES 371896A1
- Authority
- ES
- Spain
- Prior art keywords
- mold
- plugs
- pearls
- translation
- machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- 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
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- 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
- B29C44/58—Moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4571768 | 1968-09-26 | ||
GB28474/69A GB1261718A (en) | 1968-09-26 | 1968-09-26 | Method of moulding heat-expandable thermo-plastics material, and moulds therefor |
US00198766A US3809735A (en) | 1968-09-26 | 1971-11-15 | Method of moulding heat-expandable thermoplastic polymeric resinous granules involving enhanced distribution of the hot gaseous medium in the mold cavity |
Publications (1)
Publication Number | Publication Date |
---|---|
ES371896A1 true ES371896A1 (es) | 1972-03-16 |
Family
ID=27258726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES371896A Expired ES371896A1 (es) | 1968-09-26 | 1969-09-25 | Un metodo de moldear perlas termoexpansibles de material termoplastico. |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE1948871B2 (es) |
ES (1) | ES371896A1 (es) |
FR (1) | FR2018976A1 (es) |
NL (1) | NL6914631A (es) |
SE (1) | SE357158B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7610516A (nl) * | 1975-09-30 | 1977-04-01 | Sekisui Plastics | Stoomafvoerinrichting. |
DE19500601C2 (de) * | 1995-01-11 | 1998-11-05 | Notar Walter | Verfahren und Vorrichtung zur Herstellung von Formteilen aus geschäumtem Kunststoff sowie deren Verwendung |
-
1969
- 1969-09-25 ES ES371896A patent/ES371896A1/es not_active Expired
- 1969-09-25 SE SE13199/69A patent/SE357158B/xx unknown
- 1969-09-26 DE DE1948871A patent/DE1948871B2/de not_active Withdrawn
- 1969-09-26 NL NL6914631A patent/NL6914631A/xx not_active Application Discontinuation
- 1969-09-26 FR FR6933051A patent/FR2018976A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1948871B2 (de) | 1975-09-04 |
NL6914631A (es) | 1970-04-01 |
DE1948871A1 (de) | 1970-04-02 |
SE357158B (es) | 1973-06-18 |
FR2018976A1 (en) | 1970-06-26 |
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