CH274865A - Method of manufacturing a ring binding device and apparatus for carrying out this method. - Google Patents

Method of manufacturing a ring binding device and apparatus for carrying out this method.

Info

Publication number
CH274865A
CH274865A CH274865DA CH274865A CH 274865 A CH274865 A CH 274865A CH 274865D A CH274865D A CH 274865DA CH 274865 A CH274865 A CH 274865A
Authority
CH
Switzerland
Prior art keywords
carrying
manufacturing
binding device
ring binding
ring
Prior art date
Application number
Other languages
French (fr)
Inventor
Limited James Burn Co
Original Assignee
Burn & Co Ltd James
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 Burn & Co Ltd James filed Critical Burn & Co Ltd James
Publication of CH274865A publication Critical patent/CH274865A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders
    • B42C7/002—Manufacturing loose-leaf binders, folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/36—Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
CH274865D 1948-10-07 1948-10-21 Method of manufacturing a ring binding device and apparatus for carrying out this method. CH274865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973070T 1948-10-07

Publications (1)

Publication Number Publication Date
CH274865A true CH274865A (en) 1951-04-30

Family

ID=9516449

Family Applications (1)

Application Number Title Priority Date Filing Date
CH274865D CH274865A (en) 1948-10-07 1948-10-21 Method of manufacturing a ring binding device and apparatus for carrying out this method.

Country Status (3)

Country Link
BE (1) BE485324A (en)
CH (1) CH274865A (en)
FR (1) FR973070A (en)

Also Published As

Publication number Publication date
BE485324A (en)
FR973070A (en) 1951-02-07

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