GB709342A - Loose leaf binders - Google Patents

Loose leaf binders

Info

Publication number
GB709342A
GB709342A GB13268/51A GB1326851A GB709342A GB 709342 A GB709342 A GB 709342A GB 13268/51 A GB13268/51 A GB 13268/51A GB 1326851 A GB1326851 A GB 1326851A GB 709342 A GB709342 A GB 709342A
Authority
GB
United Kingdom
Prior art keywords
bar
plate
thong
june
edge
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
GB13268/51A
Inventor
Harold Arthur Cherry
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.)
Kalamazoo PLC
Original Assignee
Kalamazoo PLC
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 Kalamazoo PLC filed Critical Kalamazoo PLC
Publication of GB709342A publication Critical patent/GB709342A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F13/00—Filing appliances with means for engaging perforations or slots
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/083—Electrostatic focusing arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/24—Slow-wave structures, e.g. delay systems
    • H01J23/26—Helical slow-wave structures; Adjustment therefor

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Sheet Holders (AREA)
  • Soil Working Implements (AREA)
  • Microwave Tubes (AREA)
  • Particle Accelerators (AREA)

Abstract

709,342. Loose-leaf binders. KALAMAZOO. Ltd. June 3, 1952 [June 5. 1951], No. 13268/51. Addition to 675,976. Class 146(1) The thonggripping metal piece of the parent Specification is modified by being made unattached to the clamping bar and in the form of a thin flat plate a with a longitudinal slot c to receive the thong d and short transverse slots e near its ends so as to render flexible the intervening portion the edge of which is preferably serrated. The plate is placed freely in contact with the outer face of the. clamping bar above the thong slot in the bar. One edge h of the plate overhangs the bar and preferably is bent so as to lie snugly against a hinge member i attached to the binder cover.
GB13268/51A 1951-01-04 1951-06-05 Loose leaf binders Expired GB709342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL298660X 1951-01-04

Publications (1)

Publication Number Publication Date
GB709342A true GB709342A (en) 1954-05-19

Family

ID=19783113

Family Applications (2)

Application Number Title Priority Date Filing Date
GB13268/51A Expired GB709342A (en) 1951-01-04 1951-06-05 Loose leaf binders
GB36/52A Expired GB709842A (en) 1951-01-04 1952-01-01 Improvements in apparatus comprising means for concentrating beams of charged particles

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB36/52A Expired GB709842A (en) 1951-01-04 1952-01-01 Improvements in apparatus comprising means for concentrating beams of charged particles

Country Status (6)

Country Link
BE (1) BE508182A (en)
CH (1) CH298660A (en)
DE (1) DE969640C (en)
FR (1) FR1061714A (en)
GB (2) GB709342A (en)
NL (2) NL80727C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB754436A (en) * 1953-01-07 1956-08-08 Gen Electric Improvements relating to travelling wave apparatus
DE1127496B (en) * 1953-03-30 1962-04-12 Western Electric Co Traveling field pipes
NL189984C (en) * 1953-08-14
US2889487A (en) * 1954-09-15 1959-06-02 Hughes Aircraft Co Traveling-wave tube
US2913611A (en) * 1956-08-27 1959-11-17 Sperry Rand Corp Electron discharge tube with means for trapping positive ions
US2928021A (en) * 1957-08-19 1960-03-08 Sylvania Electric Prod Duplex traveling-wave tube amplifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR582093A (en) * 1924-06-02 1924-12-11 Improvements to wireless transmission receiver devices
DE690806C (en) * 1931-08-31 1940-05-08 Julius Pintsch Kom Ges Arrangement for generating and receiving ultra-short electrical waves with a double grille in braking field circuit
GB500533A (en) * 1936-08-28 1939-02-10 Eduard Michaelis Cathode-ray tubes, especially for television
BE491242A (en) * 1948-12-10

Also Published As

Publication number Publication date
NL80727C (en)
GB709842A (en) 1954-06-02
CH298660A (en) 1954-05-15
FR1061714A (en) 1954-04-14
DE969640C (en) 1958-06-26
NL158347B (en)
BE508182A (en)

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