GB2318323A - Temperature-sensitive product bearing a representation - Google Patents

Temperature-sensitive product bearing a representation

Info

Publication number
GB2318323A
GB2318323A GB9726544A GB9726544A GB2318323A GB 2318323 A GB2318323 A GB 2318323A GB 9726544 A GB9726544 A GB 9726544A GB 9726544 A GB9726544 A GB 9726544A GB 2318323 A GB2318323 A GB 2318323A
Authority
GB
United Kingdom
Prior art keywords
representation
temperature
sensitive product
product bearing
bearing
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.)
Granted
Application number
GB9726544A
Other versions
GB2318323B (en
GB9726544D0 (en
Inventor
Timothy James Cameron Fraser
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.)
Individual
Original Assignee
Individual
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
Priority claimed from GBGB9512637.1A external-priority patent/GB9512637D0/en
Application filed by Individual filed Critical Individual
Priority to GB9726544A priority Critical patent/GB2318323B/en
Publication of GB9726544D0 publication Critical patent/GB9726544D0/en
Publication of GB2318323A publication Critical patent/GB2318323A/en
Application granted granted Critical
Publication of GB2318323B publication Critical patent/GB2318323B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F3/00—Board games; Raffle games
    • A63F3/06—Lottos or bingo games; Systems, apparatus or devices for checking such games
    • A63F3/065—Tickets or accessories for use therewith
    • A63F3/0685—Tickets or accessories for use therewith having a message becoming legible after a chemical reaction or physical action has taken place, e.g. applying pressure, heat treatment, spraying with a substance, breaking microcapsules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Toys (AREA)

Abstract

There is disclosed a product, such as a competition card (10) or greetings card, bearing an initially hidden representation. The product comprises a substrate carrying a temperature sensitive first element (14) and a temperature stable second element (16). At ambient temperatures the first and second elements (14, 16) combine to obscure the representation, however at a higher temperature the appearance of the temperature sensitive element (14) changes to reveal the representation.
GB9726544A 1995-06-21 1996-06-19 Temperature-sensitive product bearing a representation Expired - Fee Related GB2318323B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9726544A GB2318323B (en) 1995-06-21 1996-06-19 Temperature-sensitive product bearing a representation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9512637.1A GB9512637D0 (en) 1995-06-21 1995-06-21 Temperature sensitive product
GB9726544A GB2318323B (en) 1995-06-21 1996-06-19 Temperature-sensitive product bearing a representation
PCT/GB1996/001488 WO1997000783A1 (en) 1995-06-21 1996-06-19 Temperature-sensitive product bearing a representation

Publications (3)

Publication Number Publication Date
GB9726544D0 GB9726544D0 (en) 1998-02-11
GB2318323A true GB2318323A (en) 1998-04-22
GB2318323B GB2318323B (en) 1999-05-26

Family

ID=26307255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9726544A Expired - Fee Related GB2318323B (en) 1995-06-21 1996-06-19 Temperature-sensitive product bearing a representation

Country Status (1)

Country Link
GB (1) GB2318323B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345879A (en) * 1998-12-02 2000-07-26 B & H Liquid Crystal Devices A security article eg a document or game ticket, including a liquid crystal or thermochromic ink
US8734200B2 (en) 2009-04-24 2014-05-27 Mattel, Inc. Toy playset with a launcher and a material dispenser

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371304A1 (en) * 1976-11-18 1978-06-16 Int Products Services Pictures which change their form with changing temp. - are made of layers of liquid crystals which change colour when warmed by hand contact or with electrical element
US4650707A (en) * 1985-05-28 1987-03-17 Thermotech D.L.C., Inc. Temperature indication means for fire fighters
GB2188283A (en) * 1986-03-21 1987-09-30 Advertising And Marketing Asso Prize-generating printed substrates
US5079049A (en) * 1989-10-04 1992-01-07 The Pilot Ink Co., Ltd. Artificial plant that stably exhibits different colors
US5223958A (en) * 1988-12-30 1993-06-29 Hyperdesign, Inc. Heat activated amusement device employing microencapsulated thermochromic liquid crystal
US5375271A (en) * 1993-09-30 1994-12-27 Kel-Gar, Inc. Bath mat having temperature related indicia

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398619A1 (en) * 1977-07-26 1979-02-23 Rejto Thomas PROCESS FOR OBTAINING DECORATIONS WITH A CHANGING APPEARANCE AND PRODUCTS THUS OBTAINED

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371304A1 (en) * 1976-11-18 1978-06-16 Int Products Services Pictures which change their form with changing temp. - are made of layers of liquid crystals which change colour when warmed by hand contact or with electrical element
US4650707A (en) * 1985-05-28 1987-03-17 Thermotech D.L.C., Inc. Temperature indication means for fire fighters
GB2188283A (en) * 1986-03-21 1987-09-30 Advertising And Marketing Asso Prize-generating printed substrates
US5223958A (en) * 1988-12-30 1993-06-29 Hyperdesign, Inc. Heat activated amusement device employing microencapsulated thermochromic liquid crystal
US5079049A (en) * 1989-10-04 1992-01-07 The Pilot Ink Co., Ltd. Artificial plant that stably exhibits different colors
US5375271A (en) * 1993-09-30 1994-12-27 Kel-Gar, Inc. Bath mat having temperature related indicia

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345879A (en) * 1998-12-02 2000-07-26 B & H Liquid Crystal Devices A security article eg a document or game ticket, including a liquid crystal or thermochromic ink
GB2345879B (en) * 1998-12-02 2003-03-05 B & H Liquid Crystal Devices Security articles
US8734200B2 (en) 2009-04-24 2014-05-27 Mattel, Inc. Toy playset with a launcher and a material dispenser

Also Published As

Publication number Publication date
GB2318323B (en) 1999-05-26
GB9726544D0 (en) 1998-02-11

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Legal Events

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

Effective date: 20000619