IT1167258B - Sigillo ultrasonico dotato di una bobina con caratteristiche strutturali casuali - Google Patents

Sigillo ultrasonico dotato di una bobina con caratteristiche strutturali casuali

Info

Publication number
IT1167258B
IT1167258B IT8323182A IT2318283A IT1167258B IT 1167258 B IT1167258 B IT 1167258B IT 8323182 A IT8323182 A IT 8323182A IT 2318283 A IT2318283 A IT 2318283A IT 1167258 B IT1167258 B IT 1167258B
Authority
IT
Italy
Prior art keywords
coil
structural characteristics
ultrasonic seal
seal equipped
random structural
Prior art date
Application number
IT8323182A
Other languages
English (en)
Other versions
IT8323182A0 (it
Inventor
Simon Backer
Michael T Smith
Original Assignee
Ca Atomic Energy 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 Ca Atomic Energy Ltd filed Critical Ca Atomic Energy Ltd
Publication of IT8323182A0 publication Critical patent/IT8323182A0/it
Application granted granted Critical
Publication of IT1167258B publication Critical patent/IT1167258B/it

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0376—Forms or constructions of security seals using a special technique to detect tampering, e.g. by ultrasonic or optical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Closures For Containers (AREA)
IT8323182A 1982-10-25 1983-10-06 Sigillo ultrasonico dotato di una bobina con caratteristiche strutturali casuali IT1167258B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000414113A CA1178794A (en) 1982-10-25 1982-10-25 Random coil ultrasonic seal

Publications (2)

Publication Number Publication Date
IT8323182A0 IT8323182A0 (it) 1983-10-06
IT1167258B true IT1167258B (it) 1987-05-13

Family

ID=4123818

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8323182A IT1167258B (it) 1982-10-25 1983-10-06 Sigillo ultrasonico dotato di una bobina con caratteristiche strutturali casuali

Country Status (5)

Country Link
US (1) US4467935A (it)
CA (1) CA1178794A (it)
DE (1) DE3336403A1 (it)
FR (1) FR2535092A1 (it)
IT (1) IT1167258B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4203375C2 (de) * 1992-02-06 1995-09-14 Balluff Gebhard Feinmech Vorrichtung zur Identifizierung eines flaschenartigen Druckbehälters

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838200A (en) * 1952-09-05 1958-06-10 William J Lennon Jr Sealing means
US3276969A (en) * 1965-09-17 1966-10-04 Emil F Antal Device for monitoring shut-down nuclear reactors
DE2028672A1 (de) * 1970-06-11 1971-12-23 Gesellschaft für Kernforschung mbH, 7500 Karlsruhe Verfahren zur Identifizierung von Angriffen auf selbstschließende Sicherheitssiegel
LU61143A1 (it) * 1970-06-16 1971-08-13
LU62555A1 (it) * 1971-02-08 1971-12-05
US4140148A (en) * 1976-11-18 1979-02-20 The Coca-Cola Company Pressure relief valve for product containers
US4359903A (en) * 1979-04-24 1982-11-23 European Atomic Energy Community (Euratom) System for the identification of objects, for example nuclear fuel elements

Also Published As

Publication number Publication date
IT8323182A0 (it) 1983-10-06
US4467935A (en) 1984-08-28
FR2535092A1 (fr) 1984-04-27
DE3336403A1 (de) 1984-04-26
CA1178794A (en) 1984-12-04

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