IT1200826B - Pharmaceutical amino-butane-di:ol derivs. prepn. - Google Patents

Pharmaceutical amino-butane-di:ol derivs. prepn.

Info

Publication number
IT1200826B
IT1200826B IT22764/85A IT2276485A IT1200826B IT 1200826 B IT1200826 B IT 1200826B IT 22764/85 A IT22764/85 A IT 22764/85A IT 2276485 A IT2276485 A IT 2276485A IT 1200826 B IT1200826 B IT 1200826B
Authority
IT
Italy
Prior art keywords
coils
barrel
housings
clamped
extruder barrel
Prior art date
Application number
IT22764/85A
Other languages
Italian (it)
Other versions
IT8522764A0 (en
Inventor
Angelo Rainoldi
Original Assignee
Pulitzer Italiana
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 Pulitzer Italiana filed Critical Pulitzer Italiana
Priority to IT22764/85A priority Critical patent/IT1200826B/en
Publication of IT8522764A0 publication Critical patent/IT8522764A0/en
Application granted granted Critical
Publication of IT1200826B publication Critical patent/IT1200826B/en

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  • Lining Or Joining 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.
IT22764/85A 1985-11-08 1985-11-08 Pharmaceutical amino-butane-di:ol derivs. prepn. IT1200826B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT22764/85A IT1200826B (en) 1985-11-08 1985-11-08 Pharmaceutical amino-butane-di:ol derivs. prepn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22764/85A IT1200826B (en) 1985-11-08 1985-11-08 Pharmaceutical amino-butane-di:ol derivs. prepn.

Publications (2)

Publication Number Publication Date
IT8522764A0 IT8522764A0 (en) 1985-11-08
IT1200826B true IT1200826B (en) 1989-01-27

Family

ID=11200190

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22764/85A IT1200826B (en) 1985-11-08 1985-11-08 Pharmaceutical amino-butane-di:ol derivs. prepn.

Country Status (1)

Country Link
IT (1) IT1200826B (en)

Also Published As

Publication number Publication date
IT8522764A0 (en) 1985-11-08

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