GB2318871B - Temperature change indicator - Google Patents

Temperature change indicator

Info

Publication number
GB2318871B
GB2318871B GB9721695A GB9721695A GB2318871B GB 2318871 B GB2318871 B GB 2318871B GB 9721695 A GB9721695 A GB 9721695A GB 9721695 A GB9721695 A GB 9721695A GB 2318871 B GB2318871 B GB 2318871B
Authority
GB
United Kingdom
Prior art keywords
temperature change
change indicator
indicator
temperature
change
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 - Fee Related
Application number
GB9721695A
Other versions
GB2318871A (en
GB9721695D0 (en
Inventor
Professor Brian Keith Tanner
James Hicken
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.)
University of Durham
Original Assignee
University of Durham
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 University of Durham filed Critical University of Durham
Publication of GB9721695D0 publication Critical patent/GB9721695D0/en
Publication of GB2318871A publication Critical patent/GB2318871A/en
Application granted granted Critical
Publication of GB2318871B publication Critical patent/GB2318871B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/06—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using melting, freezing, or softening

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
GB9721695A 1996-10-15 1997-10-13 Temperature change indicator Expired - Fee Related GB2318871B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9621450.7A GB9621450D0 (en) 1996-10-15 1996-10-15 Temperature change indicator

Publications (3)

Publication Number Publication Date
GB9721695D0 GB9721695D0 (en) 1997-12-10
GB2318871A GB2318871A (en) 1998-05-06
GB2318871B true GB2318871B (en) 2001-04-18

Family

ID=10801424

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9621450.7A Pending GB9621450D0 (en) 1996-10-15 1996-10-15 Temperature change indicator
GB9721695A Expired - Fee Related GB2318871B (en) 1996-10-15 1997-10-13 Temperature change indicator

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9621450.7A Pending GB9621450D0 (en) 1996-10-15 1996-10-15 Temperature change indicator

Country Status (1)

Country Link
GB (2) GB9621450D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20100040A1 (en) * 2010-02-12 2011-08-13 Davide Zogno DEFROST DETECTOR

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1332410A (en) * 1970-12-31 1973-10-03 Artech Corp Device for indicating that a refrigerated objects has undergone rewarming
GB1370045A (en) * 1971-06-22 1974-10-09 Baumgartner Papiers Sa Visual indicator arrangment for monitoring deep-frozen products
GB2051361A (en) * 1979-06-08 1981-01-14 Sala F Process and device for detecting the defrosting of frozen products
GB2119511A (en) * 1982-04-28 1983-11-16 Luigi Bolla Sensor for signalling that a preselected temperature has been exceeded
GB2130720A (en) * 1982-09-21 1984-06-06 Jose Prat Abel Defrosting indicator
EP0238762A1 (en) * 1986-02-20 1987-09-30 Santiago Cabrero Cabrera Defrosting detection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1332410A (en) * 1970-12-31 1973-10-03 Artech Corp Device for indicating that a refrigerated objects has undergone rewarming
GB1370045A (en) * 1971-06-22 1974-10-09 Baumgartner Papiers Sa Visual indicator arrangment for monitoring deep-frozen products
GB2051361A (en) * 1979-06-08 1981-01-14 Sala F Process and device for detecting the defrosting of frozen products
GB2119511A (en) * 1982-04-28 1983-11-16 Luigi Bolla Sensor for signalling that a preselected temperature has been exceeded
GB2130720A (en) * 1982-09-21 1984-06-06 Jose Prat Abel Defrosting indicator
EP0238762A1 (en) * 1986-02-20 1987-09-30 Santiago Cabrero Cabrera Defrosting detection device

Also Published As

Publication number Publication date
GB2318871A (en) 1998-05-06
GB9721695D0 (en) 1997-12-10
GB9621450D0 (en) 1996-12-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041013