GB950317A - Improvements in or relating to dry shaving apparatus - Google Patents

Improvements in or relating to dry shaving apparatus

Info

Publication number
GB950317A
GB950317A GB1720960A GB1720960A GB950317A GB 950317 A GB950317 A GB 950317A GB 1720960 A GB1720960 A GB 1720960A GB 1720960 A GB1720960 A GB 1720960A GB 950317 A GB950317 A GB 950317A
Authority
GB
United Kingdom
Prior art keywords
undersurface
cutting edge
cutting
tooth
edges
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
GB1720960A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronics UK Ltd
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 to NL239330 priority Critical
Application filed by Philips Electronics UK Ltd filed Critical Philips Electronics UK Ltd
Publication of GB950317A publication Critical patent/GB950317A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with heteroatoms or with carbon atoms having three bonds to hetero atoms, with at the most one to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/72Nitrogen atoms
    • C07D213/76Nitrogen atoms to which a second hetero atom is attached
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/14Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
    • B26B19/141Details of inner cutters having their axes of rotation perpendicular to the cutting surface

Abstract

950,317. Dry shavers. PHILIPS ELECTRICAL INDUSTRIES Ltd. May 16, 1960 [May 19, 1959], No. 17209/60. Heading B4B. In a dry shaver head having a toothed cutting member 3 rotated in contact with the undersurface 10 of a shear plate 1, having radial apertures 2, so that the cutting edge of each tooth co-operates with the edges 7 of the apertures to cut hair, the cutting edge of at least one tooth 5 is bevelled or inclined on its forward side so that its cross-section at the cutting edge is an obtuse angle 8 and skin oil accumulates on the inclined surface 9 to be spread over the undersurface 10 for lubrication of the metal to metal contact between the undersurface and the cutting edges of the teeth.
GB1720960A 1959-05-19 1960-05-16 Improvements in or relating to dry shaving apparatus Expired GB950317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL239330 1959-05-19

Publications (1)

Publication Number Publication Date
GB950317A true GB950317A (en) 1964-02-26

Family

ID=19751740

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1720960A Expired GB950317A (en) 1959-05-19 1960-05-16 Improvements in or relating to dry shaving apparatus
GB4323763A Expired GB950318A (en) 1959-05-19 1960-05-16 Improvements in or relating to dry shaving apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4323763A Expired GB950318A (en) 1959-05-19 1960-05-16 Improvements in or relating to dry shaving apparatus

Country Status (7)

Country Link
US (1) US3125808A (en)
CH (1) CH383823A (en)
DE (1) DE1121506B (en)
ES (1) ES258142A1 (en)
GB (2) GB950317A (en)
LU (1) LU38661A1 (en)
NL (1) NL101486C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630966A (en) * 1962-04-13
US3526959A (en) * 1967-11-07 1970-09-08 Wilkinson Sword Ltd Dry shavers
US3648367A (en) * 1969-08-04 1972-03-14 Sperry Rand Corp Cutterhead for electric dry shaver
NL7713040A (en) * 1977-11-28 1979-05-30 Philips Nv SHAVER.
FI84444C (en) * 1985-03-29 1991-12-10 Izumi Seimitsu Kogyo Kk Preparation method for a rotary cutting head for an electric shaving cap paired
DE3743735A1 (en) * 1987-12-23 1989-07-13 Philips Patentverwaltung ROTARY CUTTER HEAD FOR AN ELECTRIC DRY SHAVER
USD405231S (en) * 1996-03-05 1999-02-02 Izumi Products Company Cutter for an electric shaver
JP4519285B2 (en) * 2000-07-25 2010-08-04 株式会社泉精器製作所 Rotary electric razor inner blade and rotary electric razor
US8151467B2 (en) * 2004-11-01 2012-04-10 Koninklijke Philips Electronics N.V. Cutter member for a rotary shaver, method for making such a member and rotary shaver provided therewith
JP5006595B2 (en) * 2006-08-04 2012-08-22 株式会社泉精器製作所 Inner blade for rotary shaver and rotary shaver using the same
JP2008154736A (en) * 2006-12-22 2008-07-10 Izumi Products Co Rotary electric shaver and cutter therefor
CN103998187B (en) * 2011-12-19 2016-05-11 皇家飞利浦有限公司 There is into the improved shaver head of dome control
JP6339417B2 (en) * 2014-05-30 2018-06-06 株式会社泉精器製作所 Rotary electric razor
JP6688049B2 (en) * 2015-11-24 2020-04-28 マクセルイズミ株式会社 Rotary electric razor and method of manufacturing inner blade of rotary electric razor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE391895C (en) * 1923-01-16 1924-03-19 Ernst Boelcke Shaving for power drive with rotating blades
US2099334A (en) * 1936-07-01 1937-11-16 John B Gormley Shaving device
BE434502A (en) * 1938-05-28
US2292858A (en) * 1938-07-28 1942-08-11 Gen Electric Shaving device and method of making
FR959156A (en) * 1939-10-07 1950-03-25
NL59158C (en) * 1942-01-13 1900-01-01
US2616170A (en) * 1942-11-04 1952-11-04 Hartford Nat Bank & Trust Co Cutting plate of dry-shaving apparatus
AT181527B (en) * 1953-12-17 1955-03-25 Gerhard Dipl Ing Heyek Lower blade for the shaving head of dry razors
US2787829A (en) * 1954-10-07 1957-04-09 Thomas W Bayne Safety razors
US2900719A (en) * 1956-08-24 1959-08-25 Supreme Products Corp Cutters for electric shavers
US3047944A (en) * 1957-03-13 1962-08-07 Bulova Watch Co Inc Head construction for electric razors
US3002276A (en) * 1957-12-04 1961-10-03 Kobler Paul Knives in mechanical shavers
US2915816A (en) * 1958-11-20 1959-12-08 Schick Inc Electric shaver inner cutter

Also Published As

Publication number Publication date
NL101486C (en)
US3125808A (en) 1964-03-24
LU38661A1 (en)
ES258142A1 (en) 1960-11-16
GB950318A (en) 1964-02-26
LU38661A (en)
DE1121506B (en) 1962-01-04
CH383823A (en) 1964-10-31

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