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GB1290012A - - Google Patents

Info

Publication number
GB1290012A
GB1290012A GB1290012DA GB1290012A GB 1290012 A GB1290012 A GB 1290012A GB 1290012D A GB1290012D A GB 1290012DA GB 1290012 A GB1290012 A GB 1290012A
Authority
GB
United Kingdom
Prior art keywords
heater
feb
expands
outside
contact
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
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 filed Critical
Publication of GB1290012A publication Critical patent/GB1290012A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1782—Mounting or clamping means for heating elements or thermocouples
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • H05B3/565—Heating cables flat cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Heating (AREA)

Abstract

1290012 Mounting heating elements P H J A RICHARDSON 18 Feb 1970 [18 Feb 1969] 8605/69 Heading H5H An annular band heater 1 comprising a resistance wire or tape sandwiched between pieces of electrical insulation is clamped firmly in contact with the inner or outer surface of a cylindrical object to be heated by acircular bimetal strip 2 arranged inside or outside the heater 1 so that in use it expands or contracts to firmly clamp the heater 1 in contact with the object. As shown, the heater 1 is provided with a metal case 3 which has its longitudinal margins turned over on to the outer exposed surface of the bimetal 2 to retain it in position. The outer layer of strip 2 expands more than the inner layer in the arrangement shown, so that the heater is clamped tightly to the outside of a cylindrical object. The heater may be used to heat nozzles or barrels of plastics moulding machinery, fluid carrying pipes and hollow rollers used in the processing of synthetic yarns.
GB1290012D 1969-02-18 1969-02-18 Expired GB1290012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB860569 1969-02-18

Publications (1)

Publication Number Publication Date
GB1290012A true GB1290012A (en) 1972-09-20

Family

ID=9855701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290012D Expired GB1290012A (en) 1969-02-18 1969-02-18

Country Status (1)

Country Link
GB (1) GB1290012A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196819A (en) * 1986-10-24 1988-05-05 Rotfil Srl A heater band for machines for working plastics materials
EP0590621A1 (en) * 1992-09-30 1994-04-06 Husky Injection Molding Systems Ltd. Band heater clamp arrangement
FR2770078A1 (en) * 1997-10-22 1999-04-23 Hotset Heizpatronen Zubehoer TUBULAR ELECTRIC HEATING ELEMENT FOR HEATING A NOZZLE BODY
US6043466A (en) * 1998-02-20 2000-03-28 Husky Injection Molding Systems Ltd. Hot runner heating clamp
EP1331076A1 (en) * 2002-01-25 2003-07-30 Hotset Heizpatronen u. Zubehör GmbH Means for mounting an electrical heating element on an injection nozzle of injection moulds
WO2007067353A2 (en) * 2005-12-02 2007-06-14 Watlow Electric Manufacturing Company Split-sleeve heater and removal tool

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196819A (en) * 1986-10-24 1988-05-05 Rotfil Srl A heater band for machines for working plastics materials
EP0590621A1 (en) * 1992-09-30 1994-04-06 Husky Injection Molding Systems Ltd. Band heater clamp arrangement
US5360333A (en) * 1992-09-30 1994-11-01 Husky Injection Molding Systems Ltd. Band heater clamp arrangement for an injection molding machine
FR2770078A1 (en) * 1997-10-22 1999-04-23 Hotset Heizpatronen Zubehoer TUBULAR ELECTRIC HEATING ELEMENT FOR HEATING A NOZZLE BODY
US6043466A (en) * 1998-02-20 2000-03-28 Husky Injection Molding Systems Ltd. Hot runner heating clamp
EP1331076A1 (en) * 2002-01-25 2003-07-30 Hotset Heizpatronen u. Zubehör GmbH Means for mounting an electrical heating element on an injection nozzle of injection moulds
WO2007067353A2 (en) * 2005-12-02 2007-06-14 Watlow Electric Manufacturing Company Split-sleeve heater and removal tool
WO2007067353A3 (en) * 2005-12-02 2007-11-01 Watlow Electric Mfg Split-sleeve heater and removal tool

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees