GB551783A - Improvements in indicating or recording temperature changes applicable to vulcanised or other heated articles - Google Patents

Improvements in indicating or recording temperature changes applicable to vulcanised or other heated articles

Info

Publication number
GB551783A
GB551783A GB376142A GB376142A GB551783A GB 551783 A GB551783 A GB 551783A GB 376142 A GB376142 A GB 376142A GB 376142 A GB376142 A GB 376142A GB 551783 A GB551783 A GB 551783A
Authority
GB
United Kingdom
Prior art keywords
retaining
enclosed
rubber
vulcanised
indicating
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
GB376142A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber Co Ltd
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 Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Priority to GB376142A priority Critical patent/GB551783A/en
Publication of GB551783A publication Critical patent/GB551783A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/248—Measuring crosslinking reactions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

551,783. Thermometers. DUNLOP RUBBER CO., Ltd., TWISS, D. F., and NEALE, A. E. T. March 21, 1942, No. 3761. [Class 97 (iii)] In the heat treatment of plastic &c. materials which may be enclosed within retaining, shaping or moulding surfaces substances which melt or fuse at known temperatures together with material capable of absorbing the melt of the fusion all enclosed in a protective sheath are introduced between the materials being treated and the retaining &c. surfaces to indicate the temperature attained. The substance, for example, acetylnaphthylamine, which fuses at 130‹ C. may be mixed in powder form with a small proportion of a dye to enhance the indication when fusion takes place and the mixture may be placed between absorbent sheets of paper or textile material, the sheets being afterwards enclosed in a transparent envelope of cellulose acetate which is then interposed between the retaining &c. surfaces say of a mould and the material such as rubber &c. forming a rubber tyre.
GB376142A 1942-03-21 1942-03-21 Improvements in indicating or recording temperature changes applicable to vulcanised or other heated articles Expired GB551783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB376142A GB551783A (en) 1942-03-21 1942-03-21 Improvements in indicating or recording temperature changes applicable to vulcanised or other heated articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB376142A GB551783A (en) 1942-03-21 1942-03-21 Improvements in indicating or recording temperature changes applicable to vulcanised or other heated articles

Publications (1)

Publication Number Publication Date
GB551783A true GB551783A (en) 1943-03-09

Family

ID=9764459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB376142A Expired GB551783A (en) 1942-03-21 1942-03-21 Improvements in indicating or recording temperature changes applicable to vulcanised or other heated articles

Country Status (1)

Country Link
GB (1) GB551783A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232552A (en) * 1978-09-28 1980-11-11 Akzona Incorporated Temperature indicating compositions of matter
US4339207A (en) * 1978-09-28 1982-07-13 Akzona Incorporated Temperature indicating compositions of matter
US4362645A (en) * 1978-09-28 1982-12-07 Akzona, Inc. Temperature indicating compositions of matter
USRE34515E (en) 1979-06-11 1994-01-18 Pymah Corporation Steam sterilization indicator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232552A (en) * 1978-09-28 1980-11-11 Akzona Incorporated Temperature indicating compositions of matter
US4339207A (en) * 1978-09-28 1982-07-13 Akzona Incorporated Temperature indicating compositions of matter
US4362645A (en) * 1978-09-28 1982-12-07 Akzona, Inc. Temperature indicating compositions of matter
USRE34515E (en) 1979-06-11 1994-01-18 Pymah Corporation Steam sterilization indicator

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