FR2186349A1 - Extruding thermoplastics foam section - to give smooth surface and uniform structure - Google Patents
Extruding thermoplastics foam section - to give smooth surface and uniform structureInfo
- Publication number
- FR2186349A1 FR2186349A1 FR7319631A FR7319631A FR2186349A1 FR 2186349 A1 FR2186349 A1 FR 2186349A1 FR 7319631 A FR7319631 A FR 7319631A FR 7319631 A FR7319631 A FR 7319631A FR 2186349 A1 FR2186349 A1 FR 2186349A1
- Authority
- FR
- France
- Prior art keywords
- smooth surface
- uniform structure
- foam section
- give smooth
- extruding
- 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.)
- Granted
Links
- 229920001169 thermoplastic Polymers 0.000 title abstract 3
- 239000004416 thermosoftening plastic Substances 0.000 title abstract 3
- 239000006260 foam Substances 0.000 title abstract 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 abstract 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000004793 Polystyrene Substances 0.000 abstract 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000010899 nucleation Methods 0.000 abstract 1
- 229920002223 polystyrene Polymers 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 abstract 1
- 235000017557 sodium bicarbonate Nutrition 0.000 abstract 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
- B29C44/46—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
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2559972 | 1972-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2186349A1 true FR2186349A1 (en) | 1974-01-11 |
| FR2186349B3 FR2186349B3 (enExample) | 1976-05-21 |
Family
ID=10230305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7319631A Granted FR2186349A1 (en) | 1972-06-01 | 1973-05-30 | Extruding thermoplastics foam section - to give smooth surface and uniform structure |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2327512A1 (enExample) |
| FR (1) | FR2186349A1 (enExample) |
| IT (1) | IT988826B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10981350B1 (en) | 2015-08-24 | 2021-04-20 | Tangent Technologies Llc | Wood-grained polymer substrate |
| USD819236S1 (en) | 2016-08-24 | 2018-05-29 | Tangent Technologies Llc | Wood-grained polymer board |
| USD819235S1 (en) | 2016-08-24 | 2018-05-29 | Tangent Technologies Llc | Wood-grained polymer board |
| USD827869S1 (en) | 2016-08-24 | 2018-09-04 | Tangent Technologies Llc | Wood-grained polymer board |
-
1973
- 1973-05-30 FR FR7319631A patent/FR2186349A1/fr active Granted
- 1973-05-30 IT IT24858/73A patent/IT988826B/it active
- 1973-07-27 DE DE2327512A patent/DE2327512A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2327512A1 (de) | 1973-12-13 |
| FR2186349B3 (enExample) | 1976-05-21 |
| IT988826B (it) | 1975-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |