WO1999055181A1 - Hairpiece with reinforced mesh base - Google Patents
Hairpiece with reinforced mesh base Download PDFInfo
- Publication number
- WO1999055181A1 WO1999055181A1 PCT/IB1998/000864 IB9800864W WO9955181A1 WO 1999055181 A1 WO1999055181 A1 WO 1999055181A1 IB 9800864 W IB9800864 W IB 9800864W WO 9955181 A1 WO9955181 A1 WO 9955181A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fibers
- hairpiece
- substrate
- tensile strength
- mesh substrate
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G3/00—Wigs
Definitions
- This invention relates to hair replacement devices in general, and more particularly to a hairpiece having a reinforced, mesh base.
- Hair loss is a problem which affects many people. While some people affected by hair loss simply accept the resulting change in appearance, others do not and choose to retain a full head of hair. Over the years, devices have been created to help those individuals with thinning hair who wished to maintain the appearance of a full head of hair.
- One early solution involved the use of full-head wigs to simply mask an individual's balding head. While the use of a wig would cover regions of lost or thinning hair, they were not the answer for everyone. Wigs which cover an individual's entire head not only masked area of lost or thinning hair, they also cover hair-populated areas. In essence, these full-head devices provided too much "coverage" for some individuals.
- partial-head-covering hairpieces were created. These hairpieces had the advantage of exposing an individual's existing hair, while covering balding areas. However, because these early hairpieces were essentially partial wigs with relatively-thick bases, they created new problems. The thick bases were not often sufficiently concealed by an individual's existing hair. As a result, use of the device was apparent to the public. Since hair replacement devices were worn specifically to improve the appearance of their wearers, "non-discrete" hairpieces were unacceptable solutions for many individuals. To improve the appearance of partial-head-covering devices, designers began to make thin-based hairpieces.
- hairpieces did, in some instances, improve the front hairline of wearers. Unfortunately, these hairpieces did not sufficiently address the breatheability problems present in the original rigid-base designs. To improve breatheability and comfort, hair replacement hairpieces were created with bases made totally from mesh. While these hairpieces did improve breatheability, they, too, had problems. Chiefly, these all-mesh bases lacked sufficient structural integrity to be removed and re-applied on a repeated basis. They tended to become stretched out of shape with repeated uses. And to many individuals, wearing a hairpiece that does not fit correctly, is worse wearing than no hairpiece. Because many individuals chose to wear and remove their hairpiece daily, fragile, ill-fitting hairpieces were a not suitable solution.
- a hair replacement hairpieces which is breathable, blends inconspicuously with a user's existing hair, and has the structural integrity needed to withstand multiple applications and removals. Additionally, the hairpiece needs to have sufficient shape retention properties, so as to facilitate such multiple applications and removals.
- This invention is a hairpiece having a base which is secured directly to an individual's scalp.
- the hairpiece employs a lace mesh substrate into which a desired number of hairs is knotted.
- the lace mesh is reinforced by a set of substantially-concentric stabilizing rings.
- the stabilizing rings allow the mesh to maintain a desired, customized shape. As a result, the stabilizing rings extend the useable life of the hairpieces, allowing it to be removed and reapplied as needed, with no degradation in fit quality.
- the entire lace mesh substrate is coated with a supported liquid adhesive, and the adhesive acts to bond the entire scalp-facing surface of the hairpiece to a selected portion of the individual's head.
- a hairpiece with a reinforced lace mesh base which may be removed and applied as needed, without loss in fit quality.
- Another object of the present invention is to provide a hairpiece with a reinforced lace mesh base which allows an individual's scalp to "breathe.”
- Still another object of the present invention is to provide a hairpiece with a reinforced lace mesh base which may be repeatedly removed and correctly applied by an individual without undue effort.
- Figure 1 is a side sectional view of a hairpiece of the present invention
- Figure 2 is a bottom view of an embodiment of the present invention suitable for individuals with low-density hair growth
- Figure 3 is a bottom view of an embodiment of the present invention suitable for individuals with medium- density hair growth
- Figure 4 is a bottom view of an embodiment of the present invention suitable for individuals with high-density hair growth
- Figure 5 is an enlarged view of the section bounded by circle 5 in Figure 4 of the substrate of the present invention.
- the hairpiece 10 includes a one-piece, lace-mesh substrate 12 that has been fashioned into a domed shell.
- a plurality of hairs 14 extends from an outer surface 15 of the substrate 12.
- a series of stabilizing rings 16 is woven into the substrate 12.
- the substrate 12, itself, employs two transversely- oriented sets of fibers 18, 20.
- the fibers in the first set of fibers 18 are substantially parallel to each other and are evenly spaced apart.
- the fibers in the second set of fibers 20 are also substantially parallel to each other and are evenly spaced apart.
- the two sets of fibers 18,20 are oriented to overlap, forming a grid-like, lattice pattern.
- the two sets of fibers 18,20 are joined at points of overlap 22 by a process of sonic welding. Once welded together, the two sets of fibers 18,20 form a multitude of four-sided, bounded regions 24. Because the two sets of fibers are welded together, the perimeter of each bounded region is fixed. However, because the fibers 18,20 are flexible, the amount of area within each bounded region 24 is not fixed.
- Each set of fibers 18,20 is made from nylon monofilament. Each fiber should have a diameter in the range of approximately two mils to approximately eleven mils.
- the hairpiece 10 also includes a series of stabilizing rings 16 that are woven into the substrate 12.
- the stabilizing rings 16 are flexible, formed from nylon monofilament and arranged in a substantially-concentric fashion within the substrate 12.
- the rings 16 are sonically welded to fibers of the first and second sets of fibers 18,20, at points of overlap 22.
- the rings have a diameter which is approximately two-thirds the diameter of the first and second sets of fibers 18,20.
- Hairs 14 are attached to the substrate 12 and emerge from an outer surface 15 of the substrate 12. The hairs 14 are knotted, one hair at a time, onto the substrate at various points of overlap 22.
- the density of the hairs 14 included with the hairpiece 10 should roughly match the density of the hair of individual who will wear the hairpiece 10.
- the number stabilizing rings 16 may be adjusted. Three examples of stabilizing ring 16 placement are shown in Figures 2, 3, and 4.
- Figure 2 shows a pattern of stabilizing rings 16 which is appropriate for an individual with low-density hair growth.
- Figure 3 shows a pattern of stabilizing rings 16 which is appropriate for an individual with medium-density hair growth.
- Figure 4 shows a pattern of stabilizing rings 16 which is appropriate for an individual with high-density hair growth.
- the stabilizing rings 16 on each hairpiece 10 are substantially concentric.
- the stabilizing rings 16 add structural integrity to the hairpiece 10.
- the nylon monofilament used in the present invention does not stretch noticeably under the forces typically applied by individuals during daily application and removal of the present hairpiece 10. That is, the tensile strengths of the first set of fibers 18, the second set of fibers 20, and the stabilizing rings 16 are higher than the forces applied during normal use of the hairpiece 10. However, the hairpiece 12 will easily deform under forces of typical magnitude which are applied in a direction that is not coaxial with the nylon monofilament. Since the stabilizing rings 16 are not co-axial with either the first ' or second set 18,20 of fibers, the presence of the rings 16 substantially increases the likelihood that forces applied to the substrate 12 will be directed along a nylon filament.
- the stabilizing rings 16 advantageously continue to reinforce the substrate 12 even after the hairpiece 10 has been customized to follow the contours of an individual's head.
- the stabilizing rings 16 have a tensile strength which is lower than the tensile strength of the first and second set 18,20 of fibers.
- the hairpiece is stretched tight against an individual's head. This stretching process applies force to the substrate. In some cases, the stretching forces are larger than the tensile limit of the stabilizing rings 16. As a result, the stabilizing rings 16 undergo controlled breakage.
- the hairpiece 10 fits the individual's head like a bathing cap.
- the hairpiece 10 is attached to the individual's head by application of a supported liquid adhesive to the scalp-facing surface 26 of the hairpieces.
- the hairpieces is removed by application of a solvent which breaks the bond between the user's head and the hairpieces.
- the hairpiece may be applied and removed on a daily basis or as needed by an individual.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Surgical Instruments (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Treatment Of Fiber Materials (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98920715A EP1073349A1 (en) | 1998-04-24 | 1998-04-24 | Hairpiece with reinforced mesh base |
PCT/IB1998/000864 WO1999055181A1 (en) | 1998-04-24 | 1998-04-24 | Hairpiece with reinforced mesh base |
CN988139871A CN1131678C (en) | 1998-04-24 | 1998-04-24 | Hairpiece with reinforced mesh base |
KR1020007011818A KR20010042984A (en) | 1998-04-24 | 1998-04-24 | Hairpiece with reinforced mesh base |
AU73490/98A AU7349098A (en) | 1998-04-24 | 1998-04-24 | Hairpiece with reinforced mesh base |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB1998/000864 WO1999055181A1 (en) | 1998-04-24 | 1998-04-24 | Hairpiece with reinforced mesh base |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999055181A1 true WO1999055181A1 (en) | 1999-11-04 |
Family
ID=11004722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB1998/000864 WO1999055181A1 (en) | 1998-04-24 | 1998-04-24 | Hairpiece with reinforced mesh base |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1073349A1 (en) |
KR (1) | KR20010042984A (en) |
CN (1) | CN1131678C (en) |
AU (1) | AU7349098A (en) |
WO (1) | WO1999055181A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4009910B2 (en) * | 2003-10-06 | 2007-11-21 | 株式会社プロピア | Disposable wigs |
KR100921860B1 (en) * | 2007-11-27 | 2009-10-13 | 정정길 | Wig Net And Manufacturing Method |
KR100818608B1 (en) * | 2007-11-27 | 2008-04-02 | 정정길 | Finishing machine for wig net |
JP5498619B2 (en) * | 2013-12-25 | 2014-05-21 | 株式会社アデランス | Wig base |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3139113A1 (en) * | 1981-06-10 | 1982-12-30 | West Coast Hair Products, Inc., 90039 Los Angeles, Calif. | LOWER PART FOR HAIR PARTS OR TOUPETS AND METHOD FOR THE PRODUCTION THEREOF |
US4509539A (en) * | 1984-02-08 | 1985-04-09 | Charles Alfieri | Hairpiece with simulated natural hairline front |
EP0224881A2 (en) * | 1985-11-28 | 1987-06-10 | Bergmann GmbH & Co. KG | Method for manufacturing a hair piece, and hair piece produced by this method |
-
1998
- 1998-04-24 KR KR1020007011818A patent/KR20010042984A/en not_active Application Discontinuation
- 1998-04-24 EP EP98920715A patent/EP1073349A1/en not_active Withdrawn
- 1998-04-24 CN CN988139871A patent/CN1131678C/en not_active Expired - Fee Related
- 1998-04-24 WO PCT/IB1998/000864 patent/WO1999055181A1/en not_active Application Discontinuation
- 1998-04-24 AU AU73490/98A patent/AU7349098A/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3139113A1 (en) * | 1981-06-10 | 1982-12-30 | West Coast Hair Products, Inc., 90039 Los Angeles, Calif. | LOWER PART FOR HAIR PARTS OR TOUPETS AND METHOD FOR THE PRODUCTION THEREOF |
US4509539A (en) * | 1984-02-08 | 1985-04-09 | Charles Alfieri | Hairpiece with simulated natural hairline front |
EP0224881A2 (en) * | 1985-11-28 | 1987-06-10 | Bergmann GmbH & Co. KG | Method for manufacturing a hair piece, and hair piece produced by this method |
Also Published As
Publication number | Publication date |
---|---|
AU7349098A (en) | 1999-11-16 |
EP1073349A1 (en) | 2001-02-07 |
KR20010042984A (en) | 2001-05-25 |
CN1291085A (en) | 2001-04-11 |
CN1131678C (en) | 2003-12-24 |
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