WO2010030595A1 - Shaving razors and cartridges - Google Patents
Shaving razors and cartridges Download PDFInfo
- Publication number
- WO2010030595A1 WO2010030595A1 PCT/US2009/056189 US2009056189W WO2010030595A1 WO 2010030595 A1 WO2010030595 A1 WO 2010030595A1 US 2009056189 W US2009056189 W US 2009056189W WO 2010030595 A1 WO2010030595 A1 WO 2010030595A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blade
- end portion
- housing
- guard
- shaving razor
- Prior art date
Links
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
- B26B21/08—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 involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
-
- 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
- B26B21/4012—Housing details, e.g. for cartridges
-
- 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
- B26B21/08—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 involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
-
- 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
- B26B21/08—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 involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
- B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
- B26B21/225—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle
-
- 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
-
- 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
- B26B21/4012—Housing details, e.g. for cartridges
- B26B21/4018—Guard elements
-
- 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
- B26B21/4012—Housing details, e.g. for cartridges
- B26B21/4031—Housing details, e.g. for cartridges characterised by special geometric shaving parameters, e.g. blade span or exposure
-
- 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
- B26B21/52—Handles, e.g. tiltable, flexible
- B26B21/521—Connection details, e.g. connection to razor heads
-
- 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
- B26B21/54—Razor-blades
- B26B21/56—Razor-blades characterised by the shape
Definitions
- the present invention relates to shaving razors and more particularly to shaving razor cartridges having a housing with improved rinsing characteristics and a guard enabling for the orientation and passage of hair to a blade for efficient and effective shaving.
- the shaving razor of choice is a standard double edge style razor, e.g., in United States Patent 3,274,683 issued September 27, 1966, generally describes a typical design used in emerging markets. Consumers in these markets typically do not have the means to purchase the shaving razors that are widely popular in the United States.
- the standard double edge style razor may be economical, but the user tends to experience nicks, cuts and irritation.
- Shaving consumers in emerging markets typically shave infrequently, sometimes only once or twice a week. There is also little or no availability of running water to rinse or clean a shaving razor and the availability of skin cleansers and pre-shaving and post-shaving shaving aids are limited.
- Pre-shaving aids may include shaving oils, gels and lotions and post-shaving aids may include after shave gels, lotions and moisturizers.
- a cup or bowl is typically filled with water and is used to rinse the shaving razor.
- the shaving razors disclosed in the above mentioned patent application are quite sophisticated having have been designed for Western shaving habits, practices and environments, and thus do not deliver an ideal shaving experience for consumers in emerging markets.
- the shaving consumer in emerging countries have a much different shaving environment as well as different shaving habits and practices than the typical shaving consumer in more developed countries, such as the United States. Even if a less sophisticated version of the popular five bladed FusionTM shaving razor was available for these consumers, it would still not provide the optimal shaving experience because of their unique shaving environment, habits, practices and shaving environment. It is therefore desirable to provide a shaving razor with the increased safety of an improved guard, superior long hair cutting performance and improved rinsing and cleaning capabilities.
- the invention features, in general, a housing having a proximal end portion and a distal end portion. At least one blade having a cutting edge is mounted to the housing with a blade support structure.
- a guard having is at the distal end portion of the housing and has a plurality of projections substantially perpendicular to the blade that define a plurality of slots.
- a washout cavity beneath the blade is defined by an inner surface of the guard and an inner surface of the blade support structure. The washout cavity has an open area of at least 80 percent for allowing unobstructed passage of water substantially along an entire length of the blade.
- the invention features, in general, a shaving razor cartridge having a housing with a proximal end portion, a distal end portion, and a pair of lateral end portions. At least one blade with a cutting edge is mounted to the housing. A guard is at the distal end portion of the housing. The guard has an edge spaced apart from the cutting edge of the blade by about 1.75mm to about 2.5mm. The guard has a plurality of spaced apart projections with a proximal end portion extending beyond the edge of the guard and spaced apart from the cutting edge by about 0.4mm to about 1.0mm. If, desired, particular embodiments may optionally a handle mounted to the housing.
- Figure 1 is a perspective view of a wet shaving razor.
- Figure 2 is a top side view of a cartridge which may be incorporated in the shaving razor shown in Figure 1.
- Figure 3 is an enlarged bottom side view of the cartridge shown in Figure 2.
- Figure 4 is an enlarged perspective cross section view, taken generally on the line 4-4, Fig. 2.
- Figure 5A is an exploded bottom side view of the cartridge shown in Figure 2.
- Figure 5B is a bottom side view of the cartridge shown in Figure 2.
- Figure 6 is an exploded partial view of the shaving razor of Figure 1.
- Figure 7 is an exploded partial view of another possible embodiment of a wet shaving razor.
- a shaving razor 10 having a handle 12 and a cartridge 14.
- the cartridge 14 may be detachably mounted to the handle 12 with a pair of opposing arms 11 and
- the opposing arms 11 and 13 may allow for an open space or window below the cartridge
- the cartridge 14 may be detached from the arms 11 and 13 and replaced with a new cartridge 14 as needed by a user to achieve certain desired shaving characteristics. In other embodiments, the cartridge 14 may be securely fixed to the handle 12, in which the entire shaving razor 10 would be replaced as needed.
- the opposing arms 11 and 13 may be either rigidly mounted to the cartridge 14 or mounted to the cartridge 14 to allow one or more degrees of movement, such as pivoting relative to the handle 12. Both the detachably mounted cartridge 14 embodiment and securely fixed cartridge 14 embodiment may utilize either a fixed or pivoting cartridge 14.
- the handle 12 and opposing arms 11 and 13 may be injection molded as a single component (as shown) or may be assembled separately utilizing snap fit designs, insert molding, ultrasonic welding, adhesives or other assembly methods known to those skilled in the art.
- the shaving cartridge 14 may include a housing 16 having a proximal end portion 18, a distal end portion 20, a first lateral end portion 22, and a second lateral end portion 24.
- the distal end portion 20 may include a guard 26 that extends longitudinally from the first lateral end portion 22 to the second lateral end portion 24.
- a blade 30 for cutting hairs may be mounted within the housing parallel to the guard 26.
- the blade 30 may be positioned between the proximal end portion 18 and the guard 26 with an exposure of substantially zero. Even though only a single blade 30 is shown multiple blades 30 may be mounted within the housing 16.
- the housing 16, the guard 26 and the blade 30 may define a frame or opening 32.
- the frame or opening 32 may allow for improved rinsability of the blade 30 and cartridge 16.
- the frame or opening 32 may be dimensioned to allow the easy passage of water to and around the blade 30. If the blade 30 and/or cartridge 16 become clogged with trapped hair, debris and/or shaving aids, the blade 30 may not cut the hair as effectively and efficiently.
- the improved rinsability may result in a cleaner and improved shaving experience due to the quicker and more effective removal of trapped hair, debris and/or shaving aids from the blade 30.
- the frame or opening 32 may also allow for an increased number of shaving strokes before the cartridge 14 needs to be rinsed, because less hair is trapped around the blade 30.
- the guard 26 may include a plurality of projections 34 that are positioned along a substantial length of the guard 26 and extend up to or distally beyond the housing 16 to act as comb feature to receive and align hairs during shaving.
- the projections 34 may have a length "Li" and may extend substantially perpendicular to the blade 30. In certain embodiments Li may be within the range of 3mm and 10mm, preferably about 5mm to about 8mm.
- the guard 26 may have between 8 and 25, preferably between 14 and 18, projections 34 along its length that are uniformly spaced apart from each other. As will be described in greater detail below, the guard 26 and the projections 34 may be configured for the management of skin and may aid in guiding hair to the blade 30.
- the projections 34 and the guard 26 may orient the hair in an upward direction away from the skin surface and present it to the blade 30 to provide for efficient and accurate cutting of the hair.
- the guard 26 and the projection 34 may be configured to guide and lift longer hairs from the skin surface and release the hairs before the hairs contact the blade 30. Long hairs may include hair that has not been shaved for greater than about 72 hours.
- the shaving razor 10 may also be used to cut hair that has been previously shaved within about 72 hours.
- the guard 26 may be molded from polymers such as high impact polystyrene (HIPS), but other semi-rigid polymers such as polypropylene (PP) and acrylonitrile butadiene styrene (ABS) may also be used.
- the guard 26 and projections 34 may be molded from the same or a different polymer than the housing 16.
- a lubricating strip 36 may be secured to the proximal end portion 18 of the housing 16 and may extend from the first lateral end portion 22 to the second lateral end portion 24.
- the lubricating strip 36 may be secured to the proximal end portion 18 of the housing 16 using chemical means such as adhesives or mechanical means such as snap or press fit designs.
- the lubricating strip 36 may be manufactured from a base polymer such as styrene and contain one or more anti-microbial agents that are applied to the skin during shaving to aid in reducing the possibility of infection, sepsis, or putrefaction. Microbes have the tendency to grow in the presence of water, and thus may grow on the blade 30 or other components of the cartridge 14 while the shaving razor 10 is drying after being used (e.g.
- the presence of microbes on the blade 30 or other components of the cartridge 14 may increase the likelihood of infection when the shaving razor 10 is used again.
- the anti-microbial agents present on or in the lubricating strip 36 may aid in reducing the growth of microbes, such as bacteria or fungi, on the surfaces of the blade(s) 30, housing 16 and other parts of the cartridge 14 while the shaving razor is being stored or not in use.
- Examples of anti-microbial agents may include, but are not limited to, turmeric, triclocarban, triclosan and chloroxylenol.
- the anti-microbial agent(s) may include both a natural ingredient anti-microbial agent and a synthetic chemical anti-microbial agent.
- FIG. 3 an enlarged bottom side view of the cartridge a detail plan view of the cartridge 16 is shown illustrating two adjacent projections 34a and 34b that extend from the guard 26 and are substantially perpendicular to the blade 30.
- the projections 34a and 34b may each have a proximal end portion 38a and 38b and a distal end portion 40a and 40b, respectively.
- the distal end portions 40a and 40b may have a first width "wi" and the proximal end portions 38a and 38b may have a second width "w 2 ".
- the projections 34a and 34b may taper towards the blade 30 such that wi is greater than W 2
- the width wi may vary depending the desired shaving characteristics, for example, wi may have a range from about 0.5mm to about 1.2mm, preferably about 0.9mm.
- the width W 2 may also vary depending the desired shaving characteristics, for example, W 2 may have a range from about 0.3mm to about 1.0mm, preferably about 0.7mm.
- the two adjacent projections 34a and 34b may have substantially straight side walls defining a through slot 42 between them.
- the slot 42 may be dimensioned to allow hair to pass through with minimal interference.
- the slot 42 may have a leading end width "W 3 " and a trailing end width "W 4 ".
- the leading end width "W 3 " and the trailing end width "w 4 " may be substantially equivalent.
- W 3 may be less than w 4 , which may allow for improved rinsing of the blade 30.
- the leading end width W 3 may also be greater than the trailing end width w 4 , to help guide hairs along the slot 42 and to the blade 30.
- the widths W 3 and w 4 may vary depending the desired shaving characteristics, for example, w 3 and w 4 may have a range from about 0.7mm to about 1.5mm, preferably about 0.9mm to about 1.2mm.
- the slot 42 may have an angle as created by adjacent projections 34a and 34b, which may also vary depending the desired shaving characteristics, for example, the taper angle of the slot may have a range from about 1 degree to about 5 degrees.
- the taper angle of the slot may help guide hairs to the blade 30.
- the projections 34 may have respective slot pitches that represent the distance the projections 34 are spaced apart from each other.
- the slot pitch may be measured from a face of one projection 34a to a corresponding face of an adjacent projection 34b.
- the slot pitch "pi" and "P 2 " may have a range of approximate 1.7mm to about 2.5mm, preferably about 2mm.
- the width of a human hair is approximately 0.10mm. If the width of the slot 42 is less than about 0.10 mm, then the hair may be caught up in the slot 42 and prevent other hairs from properly passing through the slot and to the blade 30. If the width of the slot 42 is too small it may hamper proper rinsing of the slot and blade 30. Shaving aids, hair, dirt and debris may become trapped within the slot 42, guard 26 and around the blade 30, thus decreasing the effectiveness of the blade 30 to cut hair. This may become even more critical for users that shave infrequently. Longer hairs would be more likely to become trapped within the slot 42, guard 26 and around the blade 30.
- the housing 16, the guard 26 and the blade 30 may define the frame or opening 32 having an open area for water to wash out the blade 30.
- the frame or opening 32 may allow for improved rinsability of the blade 30 and cartridge 16.
- the frame or opening 32 may be dimensioned to facilitate a passage of water to and around the blade 30.
- the frame or opening 32 may have an open area of more than about 75 percent, with a preferable open are of greater than 85 percent.
- the open area may be defined as the percentage of the frame or opening 32 that is uninterrupted by the guard 26, projections 34 or other components that may hamper rinsing.
- the frame or opening 32 may have a square area of about 91mm 2 of which approximately 11mm may be interrupted by the plurality of projections 34.
- the frame or opening 32 would have an open area of about 89 percent.
- the frame or opening 32 may have a first span or dimension "dl" as defined as the distance from an edge of the guard 26 to an edge 44 of the blade 30.
- the first dimension dl may allow for the hair passing through the guard 26 to orient and present the hair to the blade 30 clean effective cut.
- the first dimension dl may also provide an open and unobstructed area for water to rinse the blade 30 clean.
- dl may have a range from about 1.75mm to about 2.5mm, preferably about 2.3mm.
- the frame or opening 32 may have a second span or dimension "d2" as defined as the distance from an edge of one of the proximal end portion 38a and 38b of the projections 34 to the edge 44 of the blade 30.
- d2 may have a range from about .4mm to about 1.0mm, preferably about .6mm to about .8mm.
- the second dimension d2 may allow for the hair passing through the guard 26 to stand up straight so it can be properly cut by the blade 30, while also providing an open area for water to rinse the blade 30 clean.
- Fig. 4 an oblique cross section view of the cartridge 14 is shown illustrating the guard 26, projection(s) 34 and blade 30.
- the projections 34 may have a leading end portion 50 that is offset at an angle ⁇ to a trailing end portion 52, which is adjacent to the blade 30.
- the leading end portion 50 and the trailing end portion 52 may each have a length of about 1.5mm to about 4mm (preferably about 3mm), between which hair may pass.
- the angle ⁇ may have a range of approximately 20 degrees to about 30 degrees.
- the leading end portion 50 and the trailing end portion 52 of the projection(s) 34 may have a top surface 46 that is configured to contact a user's skin during shaving.
- a substantially flat surface with curved or radius side surfaces may be preferred to increase the contact area with the skin and improve skin management.
- a radius on the top surface may be used to improve feel to the user as the projections(s) 34 contact the skin during shaving.
- the dimensions of the slot 42 near the top surface 46 may be similar to the dimensions measured at a base 48 or the projections 34 may taper from the top surface 46 to a base 48.
- the projections 34 may have a taper angle of 1-2 degrees per side.
- the leading end portion 50 and the trailing end portion 52 of the projection(s) 34 may have a height (which may also be defined as slot 42 depth) as measured from the base 48 of the guard 26 to the top surface 46.
- the slot 42 depth or projection 34 height may vary along the length of the leading end portion 50 and the trailing end portion 52 within a range of about .75mm to about 2mm, preferably about 1.0mm to about 1.5mm.
- the cartridge 14 may include the housing 16, the blade 30 and a blade support structure 60.
- the blade support structure 60 may be secure to the housing and support the blade 30.
- the blade 30 may be positioned securely between a bottom surface of the housing 16 and a top surface of the blade support structure 60.
- the blade support structure 60 may be part of the housing 16 or a separate component mounted to the housing 16.
- the frame or opening 32 as defined by the housing 16, the guard 26 and the blade 30 may taper or expand out beneath the blade 30 to a washout cavity 35.
- the washout cavity 35 may extend a substantial length of the blade 30, for example, 80% or more (preferably 95% or more).
- the washout cavity 35 may be dimensioned to allow the unencumbered and easy passage of water underneath and around the blade 30, for example the washout cavity may have an open area of at least 70% with a preferable open area of more than 85%. Extra components and features located within the washout cavity 35 may reduce the open area and hinder the passage of water underneath and around the blade 30. In certain embodiments there are no components such as members of the housing 16 or guard 26 located within the washout cavity 35. Components of the housing 16 or guard 26 that extend parallel or perpendicular to the blade 30 and are located in the washout cavity 35, decrease the efficiency of rinsing out the blade 30. In certain embodiments an area below the blade 30 may be unobstructed along a substantial portion or the entire cutting length of the blade 30. If the blade 30 and/or housing 16 are clogged with trapped hair, debris and/or shaving aids the blade 30 may not cut the hair as effectively and efficiently.
- the washout cavity 35 may be defined by an inner surface of the guard 26 and the blade support structure 60.
- An inner surface 25 of the guard 26 and an inner surface 61 of the blade support structure 60 may each have a first end portion 29 and 66 (respectively) adjacent the blade 30 that tapers or expands out to a second end portion 27 and 64 located distal of the blade 30.
- the taper of the inner surfaces 25 and 61 may allow for more water to access and rinse the blade 30.
- the washout cavity 35 may have a first opening just beneath the blade 30 between the first end portions of the inner surfaces 29 and 66 of the guard 26 and the blade support structure 60, respectively.
- the first opening may have a minimum dimension as measured from the first end portions 29 of the inner surface of the guard 26 to the inner surface 66 of the blade support structure 60.
- the first opening may have a minimum dimension of approximately 0.75mm to about 3.0mm, preferably about .75mm to about 2.0mm and more preferably at least about 1.75mm.
- the washout cavity 35 may continue to expand or taper outward to a second opening as measured by the distance between the second end portions of the inner surfaces of the guard 26 and the blade support structure 60.
- the second opening may have a minimum dimension of approximately 5mm to about 10mm, preferably greater than 7.0mm.
- the frame or opening 32 and the washout cavity 35 may extend substantially along the entire length of the guard 26.
- the cartridge 14 may include the housing 16, the blade 30 and the blade support structure 60.
- the distal end portion 20 of the housing 16 may have a plurality of substantially cylindrical bosses 23a, 23b, 23c and 23d extending up and away from a bottom surface 21 of the housing 16.
- the blade 30 may have a plurality of openings 31a, 31b, 31c and 3 Id that are dimensioned to receive the cylindrical bosses 23a, 23b, 23c and 23d of the housing 16.
- the blade support structure 60 may have a plurality of openings 66a, 66b, 66c and 66d that correspond to the cylindrical bosses 23 a, 23b, 23c and 23d of the housing 16.
- the plurality of openings 66a, 66b, 66c and 66d in the blade cover may be smaller than the plurality of openings 31a, 31b, 31c and 3 Id in the blade 30.
- the blade 30 may be mounted on the distal end portion 20 of the housing 16 such that the plurality of openings 31a, 31b, 31c and 31d of the blade 30 receive a corresponding boss 23a, 23b, 23c and 23d of the housing 16.
- the blade support structure 60 may then be placed over the blade 30 such that the plurality of openings 66a, 66b, 66c and 66d of the blade support structure 60 receive a corresponding boss 23a, 23b, 23c and 23d of the housing 16.
- FIG. 5B a bottom side view of the cartridge 14 is shown with the blade 30 and blade support structure 60 assembled to the housing 16.
- a plate (not shown) may be used during the assembly process to stamp or press the housing 16, blade 30 and blade support structure 60 together.
- a cold forming process may be used to crush the bosses (see Fig. 5A) to form attachment discs 37a, 37b, 37c and 37d which have a diameter that is sized to cover the openings 66a, 66b, 66c and 66d (see Fig. 5A) of the blade support structure 60.
- the attachment discs 37a, 37b, 37c and 37d may secure the blade 30 and the blade support structure 60 to the housing 16.
- the blade support structure 60 may be injection molded from a polymer such as high impact polystyrene.
- the blade 30 may be manufactured from stainless steel, titanium or other known blade materials.
- Other blade assembly methods such as insert molding, snap and press fit designs, hot staking, adhesives and mechanical fasteners may also be used.
- the handle 12 may be securely mounted to the cartridge 14 so the cartridge 14 cannot be removed easily from the handle 12.
- Permanent joining processes such as insert molding, adhesives and ultrasonic welding may be used to securely mount the cartridge 14 on the handle 12.
- Semi permanent methods of assemblies such as snap fits, press fits, mechanical fasteners and any combination thereof may also be used to securely mount the cartridge 14 to the handle 12.
- Semi permanent joining processes may allow for either easy or difficult removal of the cartridge 14 from the housing 16, depending on the desired function.
- the cartridge 14 may pivot or may have a fixed angle relative to the handle 12 after it is securely mounted to the handle 12.
- Figure 6 illustrates one possible embodiment of the cartridge 14 being securely mounted on the handle such that the cartridge 14 is at a fixed angle relative to the handle 12 after it is securely mounted to the handle 12.
- the first and second arms 11 and 13 may connect to the first and second lateral end portions 22 and 24, respectively, of the housing 16.
- the first and second arms 11 and 13 may each have recess 15 and 17 or an area of reduced wall thickness, where the arms 11 and 13 are joined to the handle 12.
- the recesses 15 and 17 may allow the arms 11 and 13 to flex toward each other to allow for easier assembly of the handle 12 to the cartridge 14.
- the first and second arms 11 and 13 and the first and second lateral end portions 22 and 24 may be dimensioned such that the cartridge 14 may be easily removed from the handle 12 and replaced.
- the first and second arms 11 and 13 and the first and second lateral end portions 22 and 24 may be dimensioned such that the cartridge 14 is difficult to remove from the handle and the entire shaving razor 10 must be replaced after a desired number of uses.
- first arm 11 may be identical or a mirror image of the second arm 13 such that the features of the first arm 11 may be referred to as complementary features of the second arm 13.
- first arm 11 and the first lateral end portion 22 of the housing 16 will be described in full detail, as it is understood that the second arm 13 and the second lateral end portion 24 have the same features with the same functions as the first arm 11 and the first lateral end portion 22, respectively.
- the first arm 11 may have a first distal end portion 80 having a first knob 86 and a first pair of opposing tapered sidewalls 82 and 84.
- the first arm 11 and the first distal end portion 80 may form a first shoulder 85 having a substantially arcuate surface.
- the first lateral end portion 22 may have a first arcuate mating surface 88 and a first recess 83 that is dimensioned to receive the first distal end portion 80 of the first arm 11.
- the first shoulder 85 of the first arm 11 may rest or contact the first arcuate mating surface 88 of the first lateral end portion 22 of the housing 16.
- the first recess 83 may be defined by a first pair of tapered opposing walls 90 and 92 that are configured to contact the first pair of opposing tapered sidewalls 82 and 84 of the first arm 11.
- the first pair of tapered opposing walls 90 and 92 of the housing may act as a stop to prevent pivoting of the cartridge 14 relative to the handle 12.
- the first pair of tapered opposing walls 90 and 92 may also fix an angle or position of the cartridge 14 relative to the handle 12.
- the first pair of opposing tapered sidewalls 82 and 84 and the first pair of tapered opposing walls 90 and 92 may be dimensioned to form a tapered interlock with each other to aid in preventing disassembly of the cartridge 14 from the handle 12.
- the first lateral end portion 22 of the housing may have a first depression 87 that is dimensioned to receive the first knob 86 of the first distal end portion 80 of the first arm 11.
- the first knob 86 may snap into the first depression 87 of the housing 16 and may aid in preventing disassembly of the cartridge 14.
- FIG. 7 a detailed exploded view of another possible embodiment of a wet shaving razor 100 is shown.
- Figure 7 illustrates shows a cartridge 114 being securely mounted to a handle 112 such that the cartridge 114 is able to pivot relative to the handle 112 after the cartridge 114 has been securely mounted to the handle 112.
- the cartridge 114 may be the same or similar to the cartridge 14 as previously detailed.
- the only difference between the cartridge 14 shown in Figs. 1-6 and the cartridge shown in Fig. 7 may be the assembly of the cartridge 114 to the handle 112, as will be explained in detail below.
- the cartridge 114 may include a housing 116 having a first and second lateral end portions 122 and 124.
- the handle 112 may be joined to a first and second arms 111 and 113 that may connect to the first and second lateral end portions 122 and 124, respectively.
- the first and second arms 111 and 113 may each have recess 115 and 117, or an area of reduced wall thickness, where they are joined to the handle 112.
- the recesses 115 and 117 may allow the arms 111 and 113 to flex toward each other to allow for easier assembly of the handle 112 to the cartridge 114.
- the first and second arms 111 and 113 and the first and second lateral end portions 122 and 124 may be dimensioned such that the cartridge 114 may be easily removed from the handle 112 and replaced.
- the first and second arms 111 and 113 and the first and second lateral end portions 122 and 124 may be dimensioned such that the cartridge is difficult to remove from the handle and the entire shaving razor 100 must be replaced.
- first arm 111 may be identical or a mirror image of the second arm 113 such that the features of the first arm 111 may be referred to as complementary features of the second arm 113.
- first arm 111 and the first lateral end portion 122 will be described in full detail, as it is understood that the second arm 113 and the second lateral end portion 124 have the same features with the same functions as the first arm 111 and the first lateral end portion 122, respectively.
- the first arm 111 may have a first distal end portion 180 having a first knob 186 and a first pair of opposing tapered sidewalls 182 and 184.
- the first arm 111 and the first distal end portion 180 may form a first shoulder 185 having a substantially arcuate bearing surface.
- the first lateral end portion 122 may have a first arcuate mating surface 188 and a first recess 183 that is dimensioned to receive the first distal end portion 180 of the first arm 111.
- the first shoulder 185 of the first arm 111 may rest or contact the first arcuate mating surface 188 of the first lateral end portion 122 of the housing 116.
- the first recess 183 may be defined by a first pair of tapered opposing walls 190 and 192 that are configured to receive the first pair of opposing tapered sidewalls 182 and 184 of the first arm 111.
- the first lateral end portion 122 of the housing may have a first depression 187 that is dimensioned to receive the first knob 186 of the first distal end portion 180 of the first arm 111.
- the first knob 186 may snap into the first depression 187 and may aid in preventing disassembly of the cartridge 114 from the handle 112.
- the first knob 186 and the first depression 187 may be dimensioned to allow the first knob 186 to rotate or pivot within the first depression 187.
- the first pair of tapered opposing walls 190 and 192 of the housing 116 may act as a stop to limit pivoting of the cartridge 114 relative to the handle 112.
- the first pair of tapered opposing walls 190 and 192 may limit the total pivoting motion of the cartridge to approximately zero to 90 degrees, preferably about 20 to about 60 degrees and more preferably about 35 to 55 degrees.
- the first pair of tapered opposing walls 190 and 192 may be adjusted to allow more or less pivoting as needed.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Dry Shavers And Clippers (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09792308T PL2346652T3 (en) | 2008-09-10 | 2009-09-08 | Shaving razors and cartridges |
MX2011002584A MX2011002584A (en) | 2008-09-10 | 2009-09-08 | Shaving razors and cartridges. |
BRPI0919186-0A BRPI0919186B1 (en) | 2008-09-10 | 2009-09-08 | Cartridge for wet shaving or epilation |
CN2009801154288A CN102036792B (en) | 2008-09-10 | 2009-09-08 | Shaving razors and cartridges |
AP2010005392A AP2010005392A0 (en) | 2008-09-10 | 2009-09-08 | Shaving razors and cartridges. |
EP09792308.0A EP2346652B1 (en) | 2008-09-10 | 2009-09-08 | Shaving razors and cartridges |
ZA2010/06450A ZA201006450B (en) | 2008-09-10 | 2010-09-08 | Shaving razors and cartridges |
EG2010091515A EG26349A (en) | 2008-09-10 | 2010-09-08 | Shaving razors and cartridges |
TNP2010000409A TN2010000409A1 (en) | 2009-09-08 | 2010-09-08 | Shaving razors and cartridges |
MA33155A MA32149B1 (en) | 2008-09-10 | 2010-09-08 | Razors and cartridges |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9584008P | 2008-09-10 | 2008-09-10 | |
US61/095,840 | 2008-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010030595A1 true WO2010030595A1 (en) | 2010-03-18 |
Family
ID=41416260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/056189 WO2010030595A1 (en) | 2008-09-10 | 2009-09-08 | Shaving razors and cartridges |
Country Status (13)
Country | Link |
---|---|
US (1) | US9221185B2 (en) |
EP (1) | EP2346652B1 (en) |
KR (1) | KR20110055607A (en) |
CN (1) | CN102036792B (en) |
AP (1) | AP2010005392A0 (en) |
BR (1) | BRPI0919186B1 (en) |
EG (1) | EG26349A (en) |
MA (1) | MA32149B1 (en) |
MX (1) | MX2011002584A (en) |
PL (1) | PL2346652T3 (en) |
RU (1) | RU2455150C1 (en) |
WO (1) | WO2010030595A1 (en) |
ZA (1) | ZA201006450B (en) |
Cited By (2)
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WO2012018892A1 (en) * | 2010-08-03 | 2012-02-09 | The Gillette Company | Shaving cartridge guard for supporting skin |
WO2012018905A1 (en) * | 2010-08-03 | 2012-02-09 | The Gillette Company | Shaving cartridge with suppressed blade geometry |
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US8151468B2 (en) * | 2008-09-26 | 2012-04-10 | The Gillette Company | Handle for shaving razors having improved grip |
US20110067245A1 (en) | 2009-09-21 | 2011-03-24 | Kelly Daniel Bridges | Shaving Razors and Cartridges |
US20110162209A1 (en) * | 2010-01-06 | 2011-07-07 | Kevin James Wain | Blades for Shaving Razors |
US20130081289A1 (en) * | 2011-09-30 | 2013-04-04 | Kevin James Wain | Shaving razor handle for biasing a shaving cartridge |
US20130081291A1 (en) * | 2011-09-30 | 2013-04-04 | Kevin James Wain | Biasing shaving razors |
US20130097868A1 (en) * | 2011-10-21 | 2013-04-25 | Paul Michael Jessemey | Hair Removal Cartridge with Elongated Recess Region |
KR101499287B1 (en) * | 2012-06-13 | 2015-03-05 | 주식회사 도루코 | Comb guard razor cartridge |
US11148309B2 (en) | 2013-06-05 | 2021-10-19 | The Gillette Company Llc | Razor components with novel coating |
USD737513S1 (en) * | 2013-08-26 | 2015-08-25 | The Gillette Company | Razor component |
EP2857154B1 (en) * | 2013-10-01 | 2019-02-20 | Koninklijke Philips N.V. | Blade set and hair cutting appliance |
MX2016005979A (en) | 2013-11-08 | 2016-08-11 | Bic Violex Sa | Razor head with improved guard bar. |
CN207495560U (en) * | 2014-08-20 | 2018-06-15 | 沙夫罗吉克公司 | Shaving assembly and razor |
US10828793B2 (en) | 2015-04-15 | 2020-11-10 | Rk Inventions, Llc | Razor assembly |
USD765912S1 (en) | 2016-03-23 | 2016-09-06 | Phan Thi Minh Vinh | Razor handle |
EP3435959A1 (en) | 2016-04-01 | 2019-02-06 | The Procter and Gamble Company | Oral care compositions containing a gel network phase |
US10369713B1 (en) | 2016-04-21 | 2019-08-06 | Stubl Llc | Spacer for razor blade for creating and maintaining a 5 o'clock shadow shave |
USD802842S1 (en) | 2017-03-15 | 2017-11-14 | Vu Phan Quang Ngo | Safety razor handle |
USD839477S1 (en) | 2017-04-18 | 2019-01-29 | The Gillette Company Llc | Shaving razor |
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USD815776S1 (en) | 2017-10-08 | 2018-04-17 | Vu Phan Quang Ngo | Safety razor |
USD874727S1 (en) * | 2017-10-26 | 2020-02-04 | The Gillette Company Llc | Razor cartridge |
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USD886380S1 (en) * | 2018-09-05 | 2020-06-02 | The Gillette Company Llc | Razor cartridge |
USD890995S1 (en) * | 2018-09-05 | 2020-07-21 | The Gillette Company Llc | Razor cartridge |
EP3919242A4 (en) * | 2019-01-29 | 2022-08-17 | Wenzhou Mers R&D Ltd. | Shaving razor head |
USD926374S1 (en) | 2019-04-04 | 2021-07-27 | The Gillette Company Llc | Shaving razor cartridge cover |
EP3946849A1 (en) * | 2019-04-04 | 2022-02-09 | The Gillette Company LLC | Razor cartridge |
USD970815S1 (en) * | 2019-07-26 | 2022-11-22 | Wenzhou Mers R&D Ltd. | Razor head |
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USD1016392S1 (en) | 2020-09-24 | 2024-02-27 | The Gillette Company Llc | Shaving razor cartridge |
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- 2009-09-08 WO PCT/US2009/056189 patent/WO2010030595A1/en active Application Filing
- 2009-09-08 AP AP2010005392A patent/AP2010005392A0/en unknown
- 2009-09-08 PL PL09792308T patent/PL2346652T3/en unknown
- 2009-09-08 EP EP09792308.0A patent/EP2346652B1/en active Active
- 2009-09-08 KR KR1020117005500A patent/KR20110055607A/en not_active Application Discontinuation
- 2009-09-08 BR BRPI0919186-0A patent/BRPI0919186B1/en active IP Right Grant
- 2009-09-08 MX MX2011002584A patent/MX2011002584A/en active IP Right Grant
- 2009-09-08 RU RU2011105064/02A patent/RU2455150C1/en active
- 2009-09-08 CN CN2009801154288A patent/CN102036792B/en active Active
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2010
- 2010-09-08 MA MA33155A patent/MA32149B1/en unknown
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012018892A1 (en) * | 2010-08-03 | 2012-02-09 | The Gillette Company | Shaving cartridge guard for supporting skin |
WO2012018905A1 (en) * | 2010-08-03 | 2012-02-09 | The Gillette Company | Shaving cartridge with suppressed blade geometry |
CN103052477A (en) * | 2010-08-03 | 2013-04-17 | 吉列公司 | Shaving cartridge guard for supporting skin |
CN103052476A (en) * | 2010-08-03 | 2013-04-17 | 吉列公司 | Shaving cartridge with suppressed blade geometry |
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Also Published As
Publication number | Publication date |
---|---|
PL2346652T3 (en) | 2016-04-29 |
EP2346652B1 (en) | 2015-10-28 |
BRPI0919186B1 (en) | 2020-02-18 |
RU2455150C1 (en) | 2012-07-10 |
US20100058595A1 (en) | 2010-03-11 |
EG26349A (en) | 2013-08-21 |
AP2010005392A0 (en) | 2010-10-31 |
EP2346652A1 (en) | 2011-07-27 |
ZA201006450B (en) | 2018-11-28 |
MA32149B1 (en) | 2011-03-01 |
CN102036792B (en) | 2013-07-17 |
MX2011002584A (en) | 2011-04-26 |
CN102036792A (en) | 2011-04-27 |
KR20110055607A (en) | 2011-05-25 |
BRPI0919186A2 (en) | 2017-01-17 |
US9221185B2 (en) | 2015-12-29 |
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