DE7222252U - Vorrichtung zum Formen schäumender thermoplastischer Gegenstände - Google Patents
Vorrichtung zum Formen schäumender thermoplastischer GegenständeInfo
- Publication number
- DE7222252U DE7222252U DE7222252U DE7222252U DE7222252U DE 7222252 U DE7222252 U DE 7222252U DE 7222252 U DE7222252 U DE 7222252U DE 7222252 U DE7222252 U DE 7222252U DE 7222252 U DE7222252 U DE 7222252U
- Authority
- DE
- Germany
- Prior art keywords
- piston
- pressure
- mixer
- valve
- extruder
- 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
- 238000000465 moulding Methods 0.000 title claims description 10
- 238000005187 foaming Methods 0.000 title claims description 8
- 229920001169 thermoplastic Polymers 0.000 title description 8
- 239000004416 thermosoftening plastic Substances 0.000 title description 8
- 238000003860 storage Methods 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 26
- 239000012815 thermoplastic material Substances 0.000 claims description 14
- 239000003380 propellant Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000004033 plastic Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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
- B29C44/36—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
- B29C44/421—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 plastizising the material into a shot cavity and injecting using a plunger
-
- 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
- B29C44/3442—Mixing, kneading or conveying the foamable material
-
- 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
- B29C44/424—Details of machines
-
- 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
- B29C44/424—Details of machines
- B29C44/425—Valve or nozzle constructions; Details of injection devices
- B29C44/427—Valve or nozzle constructions; Details of injection devices having several injection gates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/83—Injection molding of polyolefin-type foam
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15261271A | 1971-06-14 | 1971-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE7222252U true DE7222252U (de) | 1973-09-20 |
Family
ID=22543643
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE7222252U Expired DE7222252U (de) | 1971-06-14 | 1972-06-14 | Vorrichtung zum Formen schäumender thermoplastischer Gegenstände |
| DE2228969A Pending DE2228969A1 (de) | 1971-06-14 | 1972-06-14 | 06.71 v.st.v.amerika 152612 bez: vorrichtung zum formen schaeumender thermoplastischer gegenstaende |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2228969A Pending DE2228969A1 (de) | 1971-06-14 | 1972-06-14 | 06.71 v.st.v.amerika 152612 bez: vorrichtung zum formen schaeumender thermoplastischer gegenstaende |
Country Status (5)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941529A (en) * | 1970-06-01 | 1976-03-02 | Union Carbide Corporation | Apparatus for forming thermoplastic articles |
| US3891362A (en) * | 1971-06-14 | 1975-06-24 | Structural Foam Products | Apparatus for molding foamed thermoplastic articles |
| US3952927A (en) * | 1974-04-26 | 1976-04-27 | Standard Oil Company | Injection nozzle having guides for nozzle rod |
| US4255367A (en) * | 1978-09-21 | 1981-03-10 | Standard Oil Company (Indiana) | Method for injection molding articles wherein additives are added in selective portions |
| US5531581A (en) * | 1995-03-27 | 1996-07-02 | Donnell, Jr.; Emerson B. | Ajustable injection molding apparatus |
| US5599568A (en) * | 1995-08-10 | 1997-02-04 | Donnell, Jr.; Emerson B. | Adjustable injection molding apparatus for creating of products within a mold from fluid plastic material |
| US6052470A (en) * | 1996-09-04 | 2000-04-18 | Victor Company Of Japan, Ltd. | System for processing audio surround signal |
| DE69825615T2 (de) * | 1997-04-02 | 2005-07-21 | Coraltech Ltd., Petersfield | Gaseinführung |
| US7754134B2 (en) | 2007-11-08 | 2010-07-13 | Wagner Michael S | Injection molding process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478013A (en) * | 1942-02-09 | 1949-08-02 | Fred M Roddy | Process for preparing and fashioning thermoplastic and thermosetting materials |
| US3253303A (en) * | 1962-06-20 | 1966-05-31 | Rexford H Bradt | Injection molding apparatus |
| US3516123A (en) * | 1966-10-03 | 1970-06-23 | Theo O Lang | Injection molding machine |
| US3535742A (en) * | 1967-07-31 | 1970-10-27 | Paul Marcus | Molding apparatus valve and nozzle |
| US3674401A (en) * | 1969-12-22 | 1972-07-04 | Usm Corp | Apparatus for injection molding articles of foam material |
-
1971
- 1971-06-14 US US00152612A patent/US3746492A/en not_active Expired - Lifetime
-
1972
- 1972-06-13 FR FR7221245A patent/FR2141873A1/fr not_active Withdrawn
- 1972-06-13 GB GB2763572A patent/GB1400292A/en not_active Expired
- 1972-06-14 IT IT50899/72A patent/IT958372B/it active
- 1972-06-14 DE DE7222252U patent/DE7222252U/de not_active Expired
- 1972-06-14 DE DE2228969A patent/DE2228969A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2141873A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-01-26 |
| GB1400292A (en) | 1975-07-16 |
| IT958372B (it) | 1973-10-20 |
| US3746492A (en) | 1973-07-17 |
| DE2228969A1 (de) | 1973-01-11 |
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