GB1387241A - Self-adhesive stamp - Google Patents

Self-adhesive stamp

Info

Publication number
GB1387241A
GB1387241A GB1494773A GB1494773A GB1387241A GB 1387241 A GB1387241 A GB 1387241A GB 1494773 A GB1494773 A GB 1494773A GB 1494773 A GB1494773 A GB 1494773A GB 1387241 A GB1387241 A GB 1387241A
Authority
GB
United Kingdom
Prior art keywords
solvent
stamp
binder
adhesive
microcapsules
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
GB1494773A
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
Application filed by Individual filed Critical Individual
Publication of GB1387241A publication Critical patent/GB1387241A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21Paper; Textile fabrics
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

1387241 Self-adhesive stamps N J WATERBURY 28 March 1973 [29 March 1972] 14947/ 73 Heading B2E [Also in Division B8] A postage or trading stamp has adhered by a non-tacky binder to its reverse face microencapsulated material, the microcapsules being adapted to rupture when the stamp is pressed against a recipient surface, resulting in the release or formation between the reverse face and the recipient surface of an adhesive. The microencapsulated material may be a solvent for a binder which is a solvent-sensitive adhesive, or the capsules may contain a solution of adhesive optionally with plasticiser. Suitable solvent-sensitive adhesives are (1) water-soluble gums, the solvent being water or aqueous alcoholic solvent, (2) elastomer based adhesive e.g. neoprene, nitrile rubber or SBR with hydrocarbon solvent such as petroleum spirit or toluene, (3) acrylic resin e.g. polymethyl methacrylate, polybutylmethacrylate, or methyl methacrylate/butyl methacrylate copolymer with aromatic hydrocarbon solvent such as white spirit, toluene or xylene, or (4) a vinyl resin such as polyvinyl acetate or polyvinyl butyral, the solvent being alcohol, ester or ketone. Preferably, the binder is water-based so the stamp can be adhered alternatively by licking or by pressure, and the materials of the coating are non-toxic. The capsule material may be gelatin, gum arabic, or, preferably, a thermoset material such ureaformaldehyde resin. The coating may cover the whole of the reverse of the stamp or may be arranged in spaced regions such as in the corners or in a crossed pattern. The binder is preferably sprayed onto the reverse face of the stamp in a solution which contains a dispersion of the microcapsules. The microcapsules may also be sprayed or scattered in the form of a powder while the binder is still liquid and tacky, or applied to the front face of the stamp or include an ink.
GB1494773A 1972-03-29 1973-03-28 Self-adhesive stamp Expired GB1387241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23915572A 1972-03-29 1972-03-29

Publications (1)

Publication Number Publication Date
GB1387241A true GB1387241A (en) 1975-03-12

Family

ID=22900849

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1494773A Expired GB1387241A (en) 1972-03-29 1973-03-28 Self-adhesive stamp

Country Status (16)

Country Link
JP (1) JPS4910000A (en)
AU (1) AU5393973A (en)
BE (1) BE797494A (en)
BR (1) BR7302277D0 (en)
CH (1) CH548079A (en)
DD (1) DD105082A5 (en)
DE (1) DE2315779A1 (en)
FR (1) FR2178686A5 (en)
GB (1) GB1387241A (en)
IE (1) IE37450B1 (en)
IT (1) IT981743B (en)
LU (1) LU67312A1 (en)
MC (1) MC975A1 (en)
NL (1) NL7304386A (en)
SE (1) SE7304366L (en)
ZA (1) ZA732169B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161786A (en) * 1984-07-18 1986-01-22 Donald R Kardon Bag closure
US4707388A (en) * 1981-09-14 1987-11-17 Raychem Limited Heat-recoverable article
EP1460117A1 (en) * 2003-03-20 2004-09-22 Nordenia Deutschland Gronau GmbH Sealable plastic film for reclosable foil products and method for manufacturing such a film
WO2015088753A1 (en) * 2013-12-13 2015-06-18 3M Innovative Properties Company Articles including microcapsules for on-demand adhesion and methods of making same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318234A (en) 1977-01-10 1982-03-09 Precision Dynamics Corporation Identification device with versatile imprinting means
JPS59129281A (en) * 1983-01-14 1984-07-25 Kureha Chem Ind Co Ltd Microcapsule type adhesive
US4610927A (en) * 1983-09-14 1986-09-09 Kureha Kagaku Kogyo Kabushiki Kaisha Microcapsules containing a hydrophobic, volatile core substance and their production
DE3508150A1 (en) * 1984-04-17 1985-10-24 Töpfer GmbH Kulmbach, 8650 Kulmbach LABEL AND METHOD AND DEVICE FOR APPLYING A LABEL, AND METHOD AND DEVICE FOR REMOVING A LABEL
CN103778853B (en) * 2012-10-18 2015-10-28 瀚宇彩晶股份有限公司 Segregative electronic installation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707388A (en) * 1981-09-14 1987-11-17 Raychem Limited Heat-recoverable article
GB2161786A (en) * 1984-07-18 1986-01-22 Donald R Kardon Bag closure
EP1460117A1 (en) * 2003-03-20 2004-09-22 Nordenia Deutschland Gronau GmbH Sealable plastic film for reclosable foil products and method for manufacturing such a film
WO2015088753A1 (en) * 2013-12-13 2015-06-18 3M Innovative Properties Company Articles including microcapsules for on-demand adhesion and methods of making same
US11306431B2 (en) 2013-12-13 2022-04-19 3M Innovative Properties Company Articles including microcapsules for on-demand adhesion and methods of making same

Also Published As

Publication number Publication date
DD105082A5 (en) 1974-04-05
IT981743B (en) 1974-10-10
LU67312A1 (en) 1973-06-08
CH548079A (en) 1974-04-11
DE2315779A1 (en) 1973-10-11
AU5393973A (en) 1974-10-03
SE7304366L (en) 1973-10-01
ZA732169B (en) 1975-02-26
NL7304386A (en) 1973-10-02
IE37450B1 (en) 1977-07-20
FR2178686A5 (en) 1973-11-09
BR7302277D0 (en) 1974-07-25
BE797494A (en) 1973-07-16
MC975A1 (en) 1974-02-01
IE37450L (en) 1973-09-29
JPS4910000A (en) 1974-01-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees