IT1200623B - Cephalosporin derivs. prepn. - Google Patents

Cephalosporin derivs. prepn.

Info

Publication number
IT1200623B
IT1200623B IT20838/85A IT2083885A IT1200623B IT 1200623 B IT1200623 B IT 1200623B IT 20838/85 A IT20838/85 A IT 20838/85A IT 2083885 A IT2083885 A IT 2083885A IT 1200623 B IT1200623 B IT 1200623B
Authority
IT
Italy
Prior art keywords
coils
barrel
housings
clamped
extruder barrel
Prior art date
Application number
IT20838/85A
Other languages
Italian (it)
Other versions
IT8520838A0 (en
Inventor
Leone Colombo
Original Assignee
Ausonia Farma Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ausonia Farma Srl filed Critical Ausonia Farma Srl
Priority to IT20838/85A priority Critical patent/IT1200623B/en
Publication of IT8520838A0 publication Critical patent/IT8520838A0/en
Application granted granted Critical
Publication of IT1200623B publication Critical patent/IT1200623B/en

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (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.
IT20838/85A 1985-05-22 1985-05-22 Cephalosporin derivs. prepn. IT1200623B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT20838/85A IT1200623B (en) 1985-05-22 1985-05-22 Cephalosporin derivs. prepn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20838/85A IT1200623B (en) 1985-05-22 1985-05-22 Cephalosporin derivs. prepn.

Publications (2)

Publication Number Publication Date
IT8520838A0 IT8520838A0 (en) 1985-05-22
IT1200623B true IT1200623B (en) 1989-01-27

Family

ID=11172810

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20838/85A IT1200623B (en) 1985-05-22 1985-05-22 Cephalosporin derivs. prepn.

Country Status (1)

Country Link
IT (1) IT1200623B (en)

Also Published As

Publication number Publication date
IT8520838A0 (en) 1985-05-22

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