IT1200735B - Foamed blocks prodn. appts. - Google Patents

Foamed blocks prodn. appts.

Info

Publication number
IT1200735B
IT1200735B IT22071/85A IT2207185A IT1200735B IT 1200735 B IT1200735 B IT 1200735B IT 22071/85 A IT22071/85 A IT 22071/85A IT 2207185 A IT2207185 A IT 2207185A IT 1200735 B IT1200735 B IT 1200735B
Authority
IT
Italy
Prior art keywords
coils
barrel
appts
housings
clamped
Prior art date
Application number
IT22071/85A
Other languages
Italian (it)
Other versions
IT8522071A0 (en
Inventor
Silla Corradini
Gino Sacchetti
Original Assignee
Corradini Poliuretani S P A
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 Corradini Poliuretani S P A filed Critical Corradini Poliuretani S P A
Priority to IT22071/85A priority Critical patent/IT1200735B/en
Publication of IT8522071A0 publication Critical patent/IT8522071A0/en
Application granted granted Critical
Publication of IT1200735B publication Critical patent/IT1200735B/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.
IT22071/85A 1985-09-05 1985-09-05 Foamed blocks prodn. appts. IT1200735B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT22071/85A IT1200735B (en) 1985-09-05 1985-09-05 Foamed blocks prodn. appts.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22071/85A IT1200735B (en) 1985-09-05 1985-09-05 Foamed blocks prodn. appts.

Publications (2)

Publication Number Publication Date
IT8522071A0 IT8522071A0 (en) 1985-09-05
IT1200735B true IT1200735B (en) 1989-01-27

Family

ID=11191036

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22071/85A IT1200735B (en) 1985-09-05 1985-09-05 Foamed blocks prodn. appts.

Country Status (1)

Country Link
IT (1) IT1200735B (en)

Also Published As

Publication number Publication date
IT8522071A0 (en) 1985-09-05

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