AT342290B - Verfahren zum spritzgiessen von gegenstanden aus schaumbarem kunststoff - Google Patents
Verfahren zum spritzgiessen von gegenstanden aus schaumbarem kunststoffInfo
- Publication number
- AT342290B AT342290B AT68972A AT68972A AT342290B AT 342290 B AT342290 B AT 342290B AT 68972 A AT68972 A AT 68972A AT 68972 A AT68972 A AT 68972A AT 342290 B AT342290 B AT 342290B
- Authority
- AT
- Austria
- Prior art keywords
- injection molding
- molding articles
- foamable plastic
- foamable
- articles
- Prior art date
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
-
- 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
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
- B29C44/422—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum by injecting by forward movement of the plastizising screw
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Coating By Spraying Or Casting (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP322371A JPS5428426B1 (de) | 1971-01-29 | 1971-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA68972A ATA68972A (de) | 1977-07-15 |
| AT342290B true AT342290B (de) | 1978-03-28 |
Family
ID=11551429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT68972A AT342290B (de) | 1971-01-29 | 1972-01-28 | Verfahren zum spritzgiessen von gegenstanden aus schaumbarem kunststoff |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS5428426B1 (de) |
| AT (1) | AT342290B (de) |
| BE (1) | BE778748A (de) |
| CA (1) | CA977114A (de) |
| CH (1) | CH533001A (de) |
| CS (1) | CS166042B2 (de) |
| DE (1) | DE2204157B2 (de) |
| DK (1) | DK142608B (de) |
| ES (1) | ES399703A1 (de) |
| FI (1) | FI56641C (de) |
| FR (1) | FR2123540B1 (de) |
| GB (1) | GB1382274A (de) |
| HU (1) | HU167065B (de) |
| IL (1) | IL38667A (de) |
| IS (1) | IS2054A7 (de) |
| IT (1) | IT947068B (de) |
| NL (1) | NL172131C (de) |
| NO (1) | NO138281C (de) |
| PL (1) | PL84475B1 (de) |
| SE (1) | SE8103741L (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3805215A1 (de) * | 1988-02-19 | 1989-08-31 | Triumph Adler Ag | Verfahren zur herstellung einer kunststoffschreibwalze fuer schreib- oder aehnliche bueromaschinen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384691A (en) * | 1965-09-10 | 1968-05-21 | Allied Chem | Method for molding a structure having a foamed plastic core substantially enclosed within an essentially unfoamed plastic layer |
| CH471671A (de) * | 1967-06-09 | 1969-04-30 | United Shoe Machinery Corp | Verfahren und Vorrichtung zum Spritzgiessen von Gegenständen aus Schaumstoff |
| DE1950406C3 (de) * | 1968-10-15 | 1981-12-03 | USM Corp., 06032 Farmington, Conn. | Verfahren zum Spritzgießen von Gegenständen aus einer Mischung aus einem schäumbaren Kunststoff und einem temperaturempfindlichen Blähmittel |
-
1971
- 1971-01-29 JP JP322371A patent/JPS5428426B1/ja active Pending
-
1972
- 1972-01-26 FI FI189/72A patent/FI56641C/fi active
- 1972-01-26 IS IS2054A patent/IS2054A7/is unknown
- 1972-01-27 PL PL1972153148A patent/PL84475B1/pl unknown
- 1972-01-27 CA CA133,342A patent/CA977114A/en not_active Expired
- 1972-01-28 DE DE2204157A patent/DE2204157B2/de active Granted
- 1972-01-28 HU HUUA187A patent/HU167065B/hu unknown
- 1972-01-28 IT IT19915/72A patent/IT947068B/it active
- 1972-01-28 GB GB411972A patent/GB1382274A/en not_active Expired
- 1972-01-28 ES ES399703A patent/ES399703A1/es not_active Expired
- 1972-01-28 CH CH131272A patent/CH533001A/de not_active IP Right Cessation
- 1972-01-28 NO NO210/72A patent/NO138281C/no unknown
- 1972-01-28 IL IL38667A patent/IL38667A/xx unknown
- 1972-01-28 NL NLAANVRAGE7201213,A patent/NL172131C/xx not_active IP Right Cessation
- 1972-01-28 AT AT68972A patent/AT342290B/de not_active IP Right Cessation
- 1972-01-28 DK DK38472AA patent/DK142608B/da not_active IP Right Cessation
- 1972-01-28 FR FR7202997A patent/FR2123540B1/fr not_active Expired
- 1972-01-31 BE BE778748A patent/BE778748A/xx not_active IP Right Cessation
- 1972-01-31 CS CS595A patent/CS166042B2/cs unknown
-
1981
- 1981-06-15 SE SE8103741A patent/SE8103741L/sv not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL172131B (nl) | 1983-02-16 |
| CH533001A (de) | 1973-01-31 |
| JPS5428426B1 (de) | 1979-09-17 |
| SE8103741L (sv) | 1981-06-15 |
| FR2123540B1 (de) | 1975-10-24 |
| HU167065B (de) | 1975-07-28 |
| FR2123540A1 (de) | 1972-09-08 |
| ES399703A1 (es) | 1974-12-01 |
| ATA68972A (de) | 1977-07-15 |
| DE2204157B2 (de) | 1981-02-26 |
| DE2204157A1 (de) | 1972-08-10 |
| FI56641C (fi) | 1980-03-10 |
| FI56641B (fi) | 1979-11-30 |
| DK142608B (da) | 1980-12-01 |
| CA977114A (en) | 1975-11-04 |
| PL84475B1 (de) | 1976-04-30 |
| CS166042B2 (de) | 1976-01-29 |
| IL38667A (en) | 1975-05-22 |
| IL38667A0 (en) | 1972-03-28 |
| DE2204157C3 (de) | 1989-02-23 |
| NL7201213A (de) | 1972-08-01 |
| IS2054A7 (is) | 1972-02-16 |
| DK142608C (de) | 1981-08-03 |
| GB1382274A (en) | 1975-01-29 |
| NL172131C (nl) | 1983-07-18 |
| BE778748A (fr) | 1972-05-16 |
| NO138281C (no) | 1978-08-09 |
| NO138281B (no) | 1978-05-02 |
| IT947068B (it) | 1973-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |