CA1341069C - Rasoir securitaire ainsi qu'un procede de manufacture d'une surface de frottement faible pour un rasoir securitaire - Google Patents
Rasoir securitaire ainsi qu'un procede de manufacture d'une surface de frottement faible pour un rasoir securitaireInfo
- Publication number
- CA1341069C CA1341069C CA000583460A CA583460A CA1341069C CA 1341069 C CA1341069 C CA 1341069C CA 000583460 A CA000583460 A CA 000583460A CA 583460 A CA583460 A CA 583460A CA 1341069 C CA1341069 C CA 1341069C
- Authority
- CA
- Canada
- Prior art keywords
- razor blade
- blade unit
- polyurethane
- xerogel
- carrier film
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000008569 process Effects 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002612 dispersion medium Substances 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims description 30
- 229920002635 polyurethane Polymers 0.000 claims description 29
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 25
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 25
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 23
- 239000002904 solvent Substances 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 8
- 239000004800 polyvinyl chloride Substances 0.000 claims description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000008240 homogeneous mixture Substances 0.000 claims description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- -1 polyethylene phthalate Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 239000003518 caustics Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920003009 polyurethane dispersion Polymers 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000001117 sulphuric acid Substances 0.000 claims 1
- 239000000314 lubricant Substances 0.000 abstract description 16
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000012876 carrier material Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 239000000499 gel Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 229920003169 water-soluble polymer Polymers 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 206010040880 Skin irritation Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000036556 skin irritation Effects 0.000 description 2
- 231100000475 skin irritation Toxicity 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 244000182067 Fraxinus ornus Species 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000037307 sensitive skin Effects 0.000 description 1
- 239000008257 shaving cream Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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
- B26B21/443—Lubricating strips attached to the razor head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
- A61K8/8176—Homopolymers of N-vinyl-pyrrolidones. Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/87—Polyurethanes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q9/00—Preparations for removing hair or for aiding hair removal
- A61Q9/02—Shaving preparations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cosmetics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000583460A CA1341069C (fr) | 1987-12-19 | 1988-11-18 | Rasoir securitaire ainsi qu'un procede de manufacture d'une surface de frottement faible pour un rasoir securitaire |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3743298.2 | 1987-12-19 | ||
| CA000583460A CA1341069C (fr) | 1987-12-19 | 1988-11-18 | Rasoir securitaire ainsi qu'un procede de manufacture d'une surface de frottement faible pour un rasoir securitaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1341069C true CA1341069C (fr) | 2000-08-01 |
Family
ID=33315125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000583460A Expired - Fee Related CA1341069C (fr) | 1987-12-19 | 1988-11-18 | Rasoir securitaire ainsi qu'un procede de manufacture d'une surface de frottement faible pour un rasoir securitaire |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1341069C (fr) |
-
1988
- 1988-11-18 CA CA000583460A patent/CA1341069C/fr not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |