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GB1086451A - Improvements in paper sheets having filing perforations therein - Google Patents

Improvements in paper sheets having filing perforations therein

Info

Publication number
GB1086451A
GB1086451A GB73365A GB73365A GB1086451A GB 1086451 A GB1086451 A GB 1086451A GB 73365 A GB73365 A GB 73365A GB 73365 A GB73365 A GB 73365A GB 1086451 A GB1086451 A GB 1086451A
Authority
GB
United Kingdom
Prior art keywords
perforations
agent
sheets
jan
deposited
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
GB73365A
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
Priority to GB73365A priority Critical patent/GB1086451A/en
Publication of GB1086451A publication Critical patent/GB1086451A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F3/00—Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor

Landscapes

  • Paper (AREA)

Abstract

1,086,451. Strengthening edges. C. J. BROADHURST. Jan. 4, 1966 [Jan. 7, 1965], No. 733/65. Heading B5K. [Also in Division B6] Sheets having filing perforations along the edges for use in loose leaf binders &c. are strengthened at the perforations against tearing by the application into the perforations of a solution or dispersion of an agent which, when deposited, will form a coating or film which when dry is not sticky. The agent could be a thermoplastic resin dissolved in a volatile solvent, and examples include a polymer or mixtures of polymers of an acrylic or methacrylic ester dissolved in toluene. The agent can be applied by pouring or spraying perforations already formed in a sheet or assembly of sheets, or sheets in web form. In one example, the liquid agent may be transferred to a perforating tool by a felt pad, and deposited in the perforations during the perforating process.
GB73365A 1965-01-07 1965-01-07 Improvements in paper sheets having filing perforations therein Expired GB1086451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB73365A GB1086451A (en) 1965-01-07 1965-01-07 Improvements in paper sheets having filing perforations therein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB73365A GB1086451A (en) 1965-01-07 1965-01-07 Improvements in paper sheets having filing perforations therein

Publications (1)

Publication Number Publication Date
GB1086451A true GB1086451A (en) 1967-10-11

Family

ID=9709588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB73365A Expired GB1086451A (en) 1965-01-07 1965-01-07 Improvements in paper sheets having filing perforations therein

Country Status (1)

Country Link
GB (1) GB1086451A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4910066A (en) * 1988-10-26 1990-03-20 Mri Management Resoures, Inc. Reinforced paper and method for making the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4910066A (en) * 1988-10-26 1990-03-20 Mri Management Resoures, Inc. Reinforced paper and method for making the same

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