US1866747A - Curling tongs - Google Patents

Curling tongs Download PDF

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Publication number
US1866747A
US1866747A US356506A US35650629A US1866747A US 1866747 A US1866747 A US 1866747A US 356506 A US356506 A US 356506A US 35650629 A US35650629 A US 35650629A US 1866747 A US1866747 A US 1866747A
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US
United States
Prior art keywords
tongs
arm
curling
handle
electric
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 - Lifetime
Application number
US356506A
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English (en)
Inventor
Brodbeck Gustav
Rehm Alfred
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.)
Robert Bosch AG
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of US1866747A publication Critical patent/US1866747A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
    • A45D1/04—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel by electricity

Definitions

  • the present invention relates to curling tongs and more particularly to hollow curling tongs which may be electrically heated.
  • a metal tube, suitably bent for the handle, has already been proposed for the heating arm in the form of a rod.
  • This construction is however disadvantageous since the metal tube must be cut at the point of articulation in order to allow of insertion of the current leads to the heating resistance.
  • these cut-away portions weaken the metal tube at exactly the point where it is particularly highly stressed by the oint.
  • each tong element comprising an arm and a handle consists according to this invention of a single sheet of metal which is welded after drawing, rolling, bending and stamping.
  • Figure 2 is a section through a channelled heating arm along the line AB of Figure 5.
  • Figures 35 show a channelled tong element from three different sides.
  • Figure 6 shows a blank for a channelled tong element.
  • Figure 7 is a section through a round or rod-shaped heating arm along the line CD of Figure 10.
  • Figures 81O show a round tong element from three different sides
  • Figure 11 shows a blank for a round tong element.
  • Figure 12 is a section along the line EF in Figure 4.
  • the curling tongs as shown in the drawings are formed of elements 1 and 2.
  • the element 1 has a heating arm in the form of a rod and the element 2 a channelled heating arm.
  • the two elements are made of longitudinal blanks 3 or 4 which are stamped out symmetrically of their longitudinal centre line.
  • the stampings 3 and 4 are provided at the centre with two lateral lugs 5 through which a pivotal connection passes in the finished tongs, and terminate at the top end in three points 6 or 7.
  • the stamping 4 is provided centrally with a cut-away portion 8 which in the finished tongs provides an opening for the passage of the other element of the tongs.
  • the two stampings 3 and 4 are drawn, rolled, bent and stamped in suitable manner until the two halves have the shape shown in the drawings and are then welded along a line 9.
  • a pressed out curved channel 10 is provided on either side of the pivotal axis in the element 2 through which the leads to the two resistances 11, shown in dotted lines, are passed.
  • the heating elements are introduced from the centre of the halves of the tongs into the heating arms before assembling the tongs.
  • the heating tongs canof course befitted in any suitable manner. Instead of being welded together the contacting parts of the halves of the tongs may be soldered or connected together in any other suitable manner.
  • the heating resistance can also effectively heat the point of the arm.
  • the points of the latter can also be simply rounded olf. Only one welded seam is then produced at the top of the heating arm.
  • the other end of the stamping 4 can be similarly constructed so that the three lugs 6 are omitted and only one rounded point is provided.
  • Electrical curling tongs consisting of a pair of tong elements each comprising a handle and an arm formed from a single metallic blank bent to form a container for an electric heating unit and having a single longitudinal seam.
  • An electric curling tong element comprising a tubular arm portion for receiving a heater unit and a handle portion both formed from a single longitudinally symmetrical blank having lateral lugs extending symmetrically from the sides thereof substantially at its midlength.
  • An electric curling tong element comprising a tubular arm portion for receiving a heater unit and a handle portion both formed from a single longitudinally symmetrical blank having lateral lugs of arcuate contour extending symmetrically from the sides thereof substantially at its midlength.
  • An electric curling tong element comprising a tubular arm portion for receiving a heater unit and a handle formed from a single longitudinally symmetrical blank having substantially V-shaped lugs extending from one end thereof.
  • An electric curling tong element comprising a tubular arm portion for receiving a heater unit and a handle formed from a single longitudinally symmetrical blank having substantially V-shaped notch-es formed in one end thereof.
  • An electric curling tong element comprising a handle and a tubular arm portion for receiving an electric heating unit, said handle and arm portion being formed from a single metallic blank having grooves pressed out in the material thereof substantially at its midlength.
  • An electric curling tong element comprising a handle and a tubular arm portion for receiving an electric heating unit, said handle and arm portion being formedfrom a single longitudinally symmetricalnletallio blank bent to form a container and having pressed out grooves in the material thereof substantially at its midlength.
  • An electric curling tong element comprising a handle and a hollow arm for receiving a heating unit, said element being formed from a single longitudinally symmetrical metallic blank tapered at one end and having lateral lugs extending symmetrically from the sides thereof substantially at its mid-length and symmetrically disposed notches formed in said tapered end.
  • An electric curling tong element comprising a handle and a hollow arm forming a container for an electric heating unit, said element being formed from a single metallic blank.
  • Electrical curling tongs consisting of second tong element which comprises a handle and an arm of channel cross-section each of said elements being formed of a single longitudinally symmetrical metallic blank which is symmetrically bent about a longitudinal plane and seamed along a line in said plane to form a container, an electric heater in each container portion, one of said tong elements having grooves pressed out in the material thereof substantially at its midlength, and electric circuit connections to said electric heaters arranged in said grooves.
  • one tong element which comprises a handle 7 and an arm of circular cross section and a

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  • Food-Manufacturing Devices (AREA)
US356506A 1928-11-22 1929-04-19 Curling tongs Expired - Lifetime US1866747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE339766X 1928-11-22

Publications (1)

Publication Number Publication Date
US1866747A true US1866747A (en) 1932-07-12

Family

ID=6223980

Family Applications (1)

Application Number Title Priority Date Filing Date
US356506A Expired - Lifetime US1866747A (en) 1928-11-22 1929-04-19 Curling tongs

Country Status (4)

Country Link
US (1) US1866747A (xx)
BE (1) BE364496A (xx)
FR (1) FR683957A (xx)
GB (1) GB339766A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040124188A1 (en) * 2002-07-15 2004-07-01 Wahl Clipper Corporation Hair curling iron with concave/convex heating surfaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040124188A1 (en) * 2002-07-15 2004-07-01 Wahl Clipper Corporation Hair curling iron with concave/convex heating surfaces

Also Published As

Publication number Publication date
BE364496A (xx)
FR683957A (fr) 1930-06-19
GB339766A (en) 1930-12-18

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