CH269548A - Disco fonografico in resina sintetica e procedimento per la sua fabbricazione. - Google Patents
Disco fonografico in resina sintetica e procedimento per la sua fabbricazione.Info
- Publication number
- CH269548A CH269548A CH269548DA CH269548A CH 269548 A CH269548 A CH 269548A CH 269548D A CH269548D A CH 269548DA CH 269548 A CH269548 A CH 269548A
- Authority
- CH
- Switzerland
- Prior art keywords
- discs
- disc
- raw
- dies
- synthetic resin
- Prior art date
Links
- 241001050985 Disco Species 0.000 title 1
- 238000000034 method Methods 0.000 claims description 15
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000003086 colorant Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 4
- 229910052623 talc Inorganic materials 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 239000007859 condensation product Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000003974 emollient agent Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241001422033 Thestylus Species 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/68—Record carriers
- G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
Landscapes
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT269548X | 1945-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH269548A true CH269548A (fr) | 1950-07-15 |
Family
ID=11220618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH269548D CH269548A (fr) | 1945-06-14 | 1948-02-24 | Disco fonografico in resina sintetica e procedimento per la sua fabbricazione. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH269548A (fr) |
-
1948
- 1948-02-24 CH CH269548D patent/CH269548A/fr unknown
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