IT1200767B - Urso- and cheno-desoxylic acids derivs. - Google Patents
Urso- and cheno-desoxylic acids derivs.Info
- Publication number
- IT1200767B IT1200767B IT22407/85A IT2240785A IT1200767B IT 1200767 B IT1200767 B IT 1200767B IT 22407/85 A IT22407/85 A IT 22407/85A IT 2240785 A IT2240785 A IT 2240785A IT 1200767 B IT1200767 B IT 1200767B
- Authority
- IT
- Italy
- Prior art keywords
- coils
- barrel
- housings
- clamped
- extruder barrel
- Prior art date
Links
- 239000002253 acid Substances 0.000 title 1
- 150000007513 acids Chemical class 0.000 title 1
- 230000006698 induction Effects 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000011229 interlayer Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
Landscapes
- General Induction Heating (AREA)
Abstract
An induction heating appts. for plastics extruders employs induction coils with E-shaped cores. The coils are mounted in a 2-piece housing which is clamped on the extruder barrel by spring tension. The extruder barrel (1) is heated by induction coils (2,2a,3,3a) in which the coil is wound on the central arm (4,4a,5,5a) of an E-shaped laminated iron core. The coils are magnetically coupled to the barrel by an interlayer (6,6a,7,7a) which covers the core. Pairs of coils are mounted in a 2-piece housing (8,9) which is assembled and clamped on the barrel (1) periphery by means of threaded pins (13), carrying washers (15) and nuts (16,17). Disc spring stacks (14) are interposed between the washers (15) and housings (8,9), so that the housings and coils are urged into contact with the barrel by spring pressure. In another embodiment, the appts. may be adapted to a cylindrical extruder barrel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22407/85A IT1200767B (en) | 1985-10-09 | 1985-10-09 | Urso- and cheno-desoxylic acids derivs. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22407/85A IT1200767B (en) | 1985-10-09 | 1985-10-09 | Urso- and cheno-desoxylic acids derivs. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8522407A0 IT8522407A0 (en) | 1985-10-09 |
IT1200767B true IT1200767B (en) | 1989-01-27 |
Family
ID=11195893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22407/85A IT1200767B (en) | 1985-10-09 | 1985-10-09 | Urso- and cheno-desoxylic acids derivs. |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1200767B (en) |
-
1985
- 1985-10-09 IT IT22407/85A patent/IT1200767B/en active
Also Published As
Publication number | Publication date |
---|---|
IT8522407A0 (en) | 1985-10-09 |
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