EP0427889A1 - Rasoir jetable avec sachets de gel détachables - Google Patents

Rasoir jetable avec sachets de gel détachables Download PDF

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Publication number
EP0427889A1
EP0427889A1 EP89123253A EP89123253A EP0427889A1 EP 0427889 A1 EP0427889 A1 EP 0427889A1 EP 89123253 A EP89123253 A EP 89123253A EP 89123253 A EP89123253 A EP 89123253A EP 0427889 A1 EP0427889 A1 EP 0427889A1
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EP
European Patent Office
Prior art keywords
packet
handle
shaving
assembly
razor
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.)
Withdrawn
Application number
EP89123253A
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German (de)
English (en)
Inventor
Kevin Pritchard
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
Publication of EP0427889A1 publication Critical patent/EP0427889A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/40—Details or accessories
    • B26B21/44—Means integral with, or attached to, the razor for storing shaving-cream, styptic, or the like
    • B26B21/446—Shaving aid stored in the razor handle

Definitions

  • the present invention relates to shaving systems in general, and more particularly to manually operated disposable razors having in combination therewith means for carrying sufficient shaving gels and after shave lotion for single-use application.
  • one or more plastic packets of shaving gel and/or after shave lotion are removable secured by integral tabs to the disposable razor handle.
  • the handle as a stabilizing support, sufficient leverage can be generated even where the users hands are wet to simultaneously release and rupture the plastic packet(s) containing the shaving-associated material (gel or lotion).
  • the system is handy for travel as (i) only the correct amount of pre-measured gel/lotion accompanies the razor and unnecessary excess is kept to a minimum, and (ii) the three key parts of the system (razor, gel, and lotion) are combinable as a unit so that they cannot be overlooked during packaging.
  • a razor blade is mounted in the shaving head which is carried at the end of the handle normally grasped by the user's hand.
  • shaving-associated materials such as lathers, creams, gels and the like, to the face or body portions to be shaved.
  • materials are typically supplied in large, relatively heavy (from a traveller's point of view) multiple serving plastic and/or metallic containers. Since shaving is most often carried out in semi-closed rooms of high humidity (bathrooms and showers), such containers become slippery and difficult to manipulate when the user's hands become wet. Further, no one likes to carry excess weight on a trip.
  • razors also suffer from several drawbacks. For example: some razors do not provide enough lather, the reservoir having been overly used in prior occasions; another requires the handle to be flexible in order to squeeze out the shaving material, resulting in difficulty and danger in use when the handle becomes too flexible; still others require the handle and the shaving head to be mechanically disengaged before the shave-associated materials can be used. Also, they are complex and can become easily damaged to the point of inoperativeness if dropped, a common occurrence when handled with wet, soapy hands.
  • an improved disposable razor assembly having capabilities related to (a) caddy (carry) shaving-associated materials to a remote use site such as a room with high humidity (bathroom and shower), and (b) facilitating shaving operations at such remote site.
  • the present invention comprises an improved disposable razor assembly that includes:
  • Attachment of the packet assembly to the handle is preferably by heat wherein a base portion of a tab assembly is thermally welded to the handle.
  • tabs of the shaving gel packet are grippingly secured in a specially adapted slot in the handle.
  • Other techniques may be used to provide the attachment, such as by adhesives.
  • the shaving-associated material of interest is easily caddied to the use site by the razor without the usual difficulties associated with transport of such toiletries.
  • a procedure for causing substantially simultaneous release and rupture of a plastic packet containing the shaving-associated material of interest even in highly humid environments, comprising the steps of:
  • the twisting pressure is applied to the packet only after the user's hand has been placed in non-slip contact with the razor assembly.
  • the shaving-associated material will not be overly expelled from the packet since the severing and rupturing forces acting on the packet are more easily controlled, even if the use site is highly humid.
  • a first embodiment of a disposable razor assembly 10 that includes a hollow handle 11 connected through a arcuate support housing 12 to a razor head 13.
  • the razor head 13 is of conventional construction and included two spaced apart metallic blades 14 covered by a shield 15.
  • the razor head 13 will be formed of injection-molded plastics material and the blades 14 will be embedded in the plastics material during the molding operation as a conventional in the art.
  • suitable plastics materials include polyethylene, polypropylene, polystyrene and polycarbonates.
  • the handle 11 is subjected to heat so as to receive and secure plastic packet assembly 16 relative to surfaces 17a, 17b thereof. Since the razor head 13 and the handle 11 are of the type employed conventionally in disposable razors, they form no part of the present invention except in combination with the integrally-formed plastic packet assembly 16 of the present invention.
  • Figs. 3 , 4 and 5 illustrate plastic packet assembly 15 of the present invention in more detail.
  • packet assembly 16 as seen in Fig. 4 , includes an integrally-formed tear-away tab assembly 18 releasable attached to a packet 19.
  • the packet 19 includes a continuous side wall 20.
  • the wall 20 forms interior reservoir 20a filled with a single-use serving of shaving-associated materials, such as shaving lathers, gels, after shave-lotions and the like.
  • protuberance 20b is formed adjacent to shoulders 20c. Between shoulders 2oc and protuberance 20b, is reduced neck region 20d.
  • Tab assembly 18 includes a base member 21.
  • Base member 21 is foldable along dotted fold lines 22, so as to form a pair of wings 23.
  • the wings 23 flank central region 24. Attachment of tab assembly 18 to the razor handle 11 is as follows: The wings 23 are attached to opposite upright surfaces 17b of the handle 11, while central region 24 extends above broad surface 17b. Attachment is preferably by thermal welding.
  • a series of packet assemblies 19 can be serially cut from a long tube (not shown) of either polyethylene, polypropylene, or polycarbonate. Such seals and cuts occur after the tube has been filled with a shaving-associated material in the manner analogous to providing sample packets in the food and shampoo industries.
  • the plastic tube can be fitted over an exhaust nozzle of a loading machine, and the shave-associated material in injected throughout the entire length of the tube. Thereafter, a series of packets can be cut and sealed transverse to the longitudinal axis of symmetry of the tube analogous to formation of sample packets as previously described.
  • the wall of the tube In order to provide the protuberance 20b at the edge of such plastic tube, the wall of the tube must be softened and then reshaped to the proper form under external forces. Note that as the temperature of the percursor plastic tube is elevated as opposed transverse seals as well as protuberance 20b are formed, provides a suitable technique by which neck region 20d is formed.
  • each assembly 18 occurs simultaneously with the formation of the protuberance 20b and the reservoir 20a. Since each tab assembly 18 is formed from the precusor plastic tube in the manner previously described in integral manner, the technique will not be discussed in detail except to say that the winnowing of the excess plastic material to form the tab assembly 18 is such that base member 21 flanks protuberance 20b.
  • tear-away region 30 includes neck 20d and transverse cuts 34, 35 ( Fig . 5 ) formed in swedged region 36 of the central region 30.
  • Neck 21d and swedged region 36 are formed of excess plastic materials occurring at the transverse edges of the packets as the latter are formed. But usually the neck 20d and swedged regions must be worked, say by the application of tensile forces in the manner previously described, to provide the final configuration.
  • transverse cuts 34, 35 After transverse cuts 34, 35 have been sequentially produced to a given depth within the swedged region 36, such cuts 34, 35 are seen to be aligned with neck 20d along axis B-B. Such alignment defines a common plane intersecting axis A-­A handle 11 at an angle greater than 90 degrees with respect to reservoir 20a.
  • Fig. 5 illustrates the positional relationship of traverse cuts 34, 35 and axis B-B in more detail.
  • the axis B-B is coincident with swedged region 36 and bisects neck 20d at the narrow span of the latter. In that way, the neck 20d as well as the transverse cuts 34, 35 are positioned in clear alignment with each other.
  • the resulting razor assembly 10 can be packaged with another assembly 10′ ( Fig. 2 ) and both housed within plastic container 40 e.g. a poly bag. thereafter, container 40 can be sold to a user in conventional commercial commerce.
  • container 40 e.g. a poly bag.
  • Figs. 1 , 3 , 4 and 5 also illustrate method aspects of the present invention related to how razor assembly 10 of the present invention can be employed even in a highly humid environment.
  • the packet 19 of Fig. 1 can be simultaneously detached relative to tear-away tab assembly 18 while rupturing reservoir 20a, by the steps of:
  • separation of the packet 19 from the tab assembly 18, can be enhanced by the use if indicia 37, see Figs. 1 and 6 , to indicate desired positions of the user's hand to affect a stabilizing position as the packet 19 is separated. Such separation occurs as a consequence of twisting force applied along arrows 38, 39. Note also that the twisting movement provided the packet 19 by the user is about an axis normal to axis B-B depicted in Figs. 1, 3 and 4-5 .
  • Fig. 6 illustrates a further capability of the razor assembly of the present invention wherein shaving can occur utilizing shaving head 13 without the packet 19 being detached from the razor handle 11.
  • packet 19 is pivotable about axis B-B. Consequently, space below packet 19 becomes clear for placement of the user's hand (not shown) including finger 41a and thumb 41b of Fig. 6 . Hence, the user can manipulate the razor assembly 10 of the present invention to perform shaving even though packet 19 remains attached to the handle 11.
  • the shaving assembly 10 of the present invention in the foregoing manner also contemplates employing two or more packet assemblies such as generally indicated at 16 and 16′ in Fig. 1 .
  • the most forward packet 19 (relative to shaving head 13) contains after-shave lotion
  • rearwardly positioned packet 19′ contains shaving cream or shaving gel.
  • the razor assembly of the present invention can be easily manipulated by the user using the hand position shown in Fig. 6 . Such use can occur, even though the packet 19 remains attached at the handle 11 and does not present unduly difficult manipulative problems to the user.
  • Figs. 7-10 illustrate an alternate plastic packet assembly 50 in accordance with the present invention.
  • the alternate packet assembly 50 does not have a protuberance 20b as shown in Figs. 3-5 but instead is provided with a rupturable wall region 52 lying along a diagonal plane coincident with line 8-8, Fig. 7 , through a corner of packet 51. Note that manufacture of the alternate packet assembly 50 is also less complex from a tooling standpoint since the rupturable wall region 52 as shown in Fig. 8 is merely a portion of the total wall 53 that defines reservoir 54.
  • the tear-away tab assembly 55 of Fig. 7 is more complex and can be provided (i) separately from packet 51 or (ii) integrally where sufficiently excess material at the edge of the precursor plastic as the packets 51 are formed, is available.
  • the tear-away assembly 55 is seen to include a base 56, a swedged tear-away region 57 ( Fig. 8 ) and an upright wall 58 ( Fig. 9 ).
  • a slot 59 (Figs. 9 and 10 ) allows a corner of the packet 51 to be attached as by heat sealing to an upper surface of the base 56 whereby rupturable wall region 52 is placed coincident with the upright wall 58.
  • the swedged region 57 of base 56 ( Fig. 8 ) is still adjacent to its intersection with upright wall 58.
  • wall 58 is in surface contact with the edge of the packet 51 along with the rupturable wall 52.
  • the packet 51 is easily detached from the razor handle.
  • the wall region 52 is ruptured without expelling undue amounts of shaving gel and associate materials from the reservoir 54 because severing forces are surface (not point) distributed.
  • Figs. 11, 12 and 13 illustrate other alternative embodiments of the razor assembly 10 of the present invention.
  • first and second packet assemblies generally indicated at 70 are similar to those depicted in solid and phantom line in Fig. 1 , except that packets 71, 72 are not supported on or atop the razor handle 11. Instead, the packets 71, 72 flank the handle 11 at a common side. Flanking attachment of the packets 71, 72 and their associative tab assembly 73, 72, respectively, is by heat sealing of the latter with the razor handle 11.
  • each tab assembly 73, 74 of Fig. 11 comprises a base member 76, 77 and wings 78, 79, respectively, the latter do not include fold lines. Instead, the base member 76, 77 and the unfolded wings 78, 79, lay in full surface contact with the top broad surface 17a of the handle 11. Note that between wings 78, 79 are reduced swedge sections 85, 86, respectively. Each region 85, 86 also includes spaced apart transverse cuts 87 similar to those depicted in Figs. 3-5 .
  • the procedure for separating packets 71, 72 from their respective tab assembly 73, 74 is a consequence of twisting force applied in the direction of arrows 74a, 74b about a twisting axis that transverse to the axis of symmetry A-A of the handle 11 by the steps of:
  • twisting force to release the packet 71, 72 from the handle 11 is about a twisting axis that is opposed to that depicted in Fig. 1 . That is to say the twisting axis is transverse to the axis of symmetry A-A of the handle 11.
  • Fig. 13 shows another embodiment in which the packet assemblies 16 are secured to the handle 11 at a common side by insertion of the tab assemblies 18 and 18′ of each packet 71 and 72, respectively, into a side slot 100 of the handle 11.
  • the gap width of slot 100 is specially dimensioned to provide a snug fit for the neck portion 88 (20d in Figs. 4 & 5 ) and adjacent plastic web 89 (see also Figs. 4 & 5 ) of the packet assemblies 16 so that they remain secured by the handle at all times prior to use.
  • the tab assemblies 18 and 18′ are also specially dimensioned (tab height dimension X) to cooperate with the inner diameter dimension of the hollow handle 11 (dimension Y) in order to align the transverse cuts 87 of each neck portion 88 of each packet assembly 16 with inner (or outer) wall of the side slot 100 of the handle 11 when the packet neck portion 88 is grippingly inserted into the slot. This facilitates opening of the packets by tearing along the transverse cuts 87.
  • a user may easily tear open a packet for use by gripping the reservoir portion 90 of the packet 16 (or alternately an upper corner portion of the packet adjacent slot 100) and then applying a twisting motion (e.g. in the direction of arrows 74a and 74b) to the packet until the web 89 and neck 88 portions of the desired packet (lotion or gel) is severed along the partial transverse cut lines 87.
  • the packets may be first removed from slot 100 and then opened by shearing the neck portion 88 by any convenient means, e.g. by hand. In this manner, additional packets may be later secured in the slot 100 for multiple uses of the disposable razor assembly 10. It is important to note that the presence of the slot 100, either with or without the insertable packet assemblies 16, does not in any way make the handle 11 unduly flexible or difficult to control during use.
  • resulting groups of razor assemblies can be packaged together as shown in Fig. 12 .
  • a rubber band or plastic strap 91 may be wound around upright portions 92 of the packet assemblies 70 of the group of razor assemblies. Additional packaging is thus unnecessary. Alternately, they may be packaged in the stacked array of Fig. 12 , with or without band 91, in the package of 40 Fig. 2 .
  • the razor assemblies may be parallel stacked as in Figs. 2 and 12 or criss-crossed (not shown).

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
EP89123253A 1989-11-15 1989-12-15 Rasoir jetable avec sachets de gel détachables Withdrawn EP0427889A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43744289A 1989-11-15 1989-11-15

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EP0427889A1 true EP0427889A1 (fr) 1991-05-22

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EP (1) EP0427889A1 (fr)
CA (1) CA2003921A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005065897A1 (fr) * 2003-12-24 2005-07-21 Eveready Battery Company, Inc. Appareil de rasage
EP1981687A2 (fr) * 2005-12-20 2008-10-22 The Procter & Gamble Necessaire de rasage, article de commerce et procede de rasage comprenant une composition de soin personnel
WO2008155736A3 (fr) * 2007-06-21 2009-02-19 Procter & Gamble Kit de rasage et procédé de rasage comprenant une composition de soin personnel et une lotion corporelle dans la douche
WO2010047992A1 (fr) * 2008-10-23 2010-04-29 Eveready Battery Company, Inc. Cartouche de remplacement pour rasoir de sûreté
DE202013002343U1 (de) 2013-03-12 2013-04-16 Silag Handel Ag Mechanischer Rasierer vereinfachter Bauart
US8641310B2 (en) 2011-04-19 2014-02-04 Eveready Battery ComaPNY, Inc Replacement cartridge for a razor assembly
EP2962817A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Dispositif d'épilation avec distribution de fluide jetable
EP2962954A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Réservoir de distribution de fluide jetable
EP2962818A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Dispositif d'épilation avec distribution de fluide jetable
EP3112101A1 (fr) 2015-06-30 2017-01-04 The Gillette Company LLC Dispositif d'épilation avec distribution de fluide jetable
EP3112100A1 (fr) 2015-06-30 2017-01-04 The Gillette Company LLC Dispositif d'épilation avec distribution de fluide jetable portable
EP3112102A1 (fr) 2015-06-30 2017-01-04 The Gillette Company LLC Dispositif d'épilation avec distribution de fluide jetable
US10856641B2 (en) 2018-06-04 2020-12-08 The Gillette Company Llc Fluid dispensing personal care product
US10945511B2 (en) 2018-06-04 2021-03-16 The Gillette Company Llc Fluid dispensing personal care product

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2019957A (en) * 1935-02-21 1935-11-05 August J England Razor
US4074429A (en) * 1976-08-23 1978-02-21 Roberts Thomas G Novel lathering device and razor assembly
EP0238333A1 (fr) * 1986-03-20 1987-09-23 James E. Howe Rasoir jetable avec crème dans le manche
US4888868A (en) * 1988-01-21 1989-12-26 Pritchard Kevin M Disposable razor assembly with detachable packet containing shaving-associated material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2019957A (en) * 1935-02-21 1935-11-05 August J England Razor
US4074429A (en) * 1976-08-23 1978-02-21 Roberts Thomas G Novel lathering device and razor assembly
EP0238333A1 (fr) * 1986-03-20 1987-09-23 James E. Howe Rasoir jetable avec crème dans le manche
US4888868A (en) * 1988-01-21 1989-12-26 Pritchard Kevin M Disposable razor assembly with detachable packet containing shaving-associated material

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005065897A1 (fr) * 2003-12-24 2005-07-21 Eveready Battery Company, Inc. Appareil de rasage
EP1981687A2 (fr) * 2005-12-20 2008-10-22 The Procter & Gamble Necessaire de rasage, article de commerce et procede de rasage comprenant une composition de soin personnel
WO2008155736A3 (fr) * 2007-06-21 2009-02-19 Procter & Gamble Kit de rasage et procédé de rasage comprenant une composition de soin personnel et une lotion corporelle dans la douche
WO2010047992A1 (fr) * 2008-10-23 2010-04-29 Eveready Battery Company, Inc. Cartouche de remplacement pour rasoir de sûreté
AU2009307894B2 (en) * 2008-10-23 2015-07-02 Edgewell Personal Care Brands, Llc Replacement cartridge for a safety razor
US8641310B2 (en) 2011-04-19 2014-02-04 Eveready Battery ComaPNY, Inc Replacement cartridge for a razor assembly
US8851777B2 (en) 2011-04-19 2014-10-07 Eveready Battery Company, Inc. Replacement cartridge for a safety razor
DE202013002343U1 (de) 2013-03-12 2013-04-16 Silag Handel Ag Mechanischer Rasierer vereinfachter Bauart
DE202013002343U9 (de) 2013-03-12 2013-07-25 Silag Handel Ag Mechanischer Rasierer vereinfachter Bauart
WO2014139655A2 (fr) 2013-03-12 2014-09-18 Hidde Axel R Rasoir mécanique à structure simplifiée
DE102013007224A1 (de) 2013-03-12 2014-09-18 Axel R. Hidde Mechanischer Rasierer vereinfachter Bauart
EP2962816A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Dispositif d'épilation avec distribution de fluide jetable
US9833916B2 (en) 2014-06-30 2017-12-05 The Gillette Company Llc Disposable fluid dispensing reservoir
EP2962818A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Dispositif d'épilation avec distribution de fluide jetable
EP2962817A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Dispositif d'épilation avec distribution de fluide jetable
EP2962819A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Dispositif d'épilation avec distribution de fluide jetable
EP2962955A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Réservoir de distribution de fluide jetable
WO2016003834A1 (fr) 2014-06-30 2016-01-07 The Gillette Company Réservoir de distribution de fluide jetable
WO2016003837A1 (fr) 2014-06-30 2016-01-07 The Gillette Company Dispositif de rasage à distribution de fluide jetable
WO2016003836A1 (fr) 2014-06-30 2016-01-07 The Gillette Company Dispositif d'épilation jetable à distribution de fluide
EP2962954A1 (fr) 2014-06-30 2016-01-06 The Gillette Company Réservoir de distribution de fluide jetable
EP3112101A1 (fr) 2015-06-30 2017-01-04 The Gillette Company LLC Dispositif d'épilation avec distribution de fluide jetable
EP3112102A1 (fr) 2015-06-30 2017-01-04 The Gillette Company LLC Dispositif d'épilation avec distribution de fluide jetable
WO2017003919A1 (fr) 2015-06-30 2017-01-05 The Gillette Company Llc Dispositif d'épilation à distribution de fluide portable et jetable
WO2017003896A1 (fr) 2015-06-30 2017-01-05 The Gillette Company Llc Dispositif d'épilation jetable à distribution de fluide
WO2017003897A1 (fr) 2015-06-30 2017-01-05 The Gillette Company Llc Dispositif d'épilation jetable à distribution de fluide
EP3112100A1 (fr) 2015-06-30 2017-01-04 The Gillette Company LLC Dispositif d'épilation avec distribution de fluide jetable portable
US10856641B2 (en) 2018-06-04 2020-12-08 The Gillette Company Llc Fluid dispensing personal care product
US10945511B2 (en) 2018-06-04 2021-03-16 The Gillette Company Llc Fluid dispensing personal care product

Also Published As

Publication number Publication date
CA2003921A1 (fr) 1991-05-15

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