GB1566634A - Stiffener or reinforcement for boots and shoes - Google Patents
Stiffener or reinforcement for boots and shoes Download PDFInfo
- Publication number
- GB1566634A GB1566634A GB1661577A GB1661577A GB1566634A GB 1566634 A GB1566634 A GB 1566634A GB 1661577 A GB1661577 A GB 1661577A GB 1661577 A GB1661577 A GB 1661577A GB 1566634 A GB1566634 A GB 1566634A
- Authority
- GB
- United Kingdom
- Prior art keywords
- article
- sleeve
- matrix
- resin
- strip
- 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
Links
- 239000003351 stiffener Substances 0.000 title claims description 23
- 230000002787 reinforcement Effects 0.000 title claims description 16
- 239000011159 matrix material Substances 0.000 claims description 88
- 229920005989 resin Polymers 0.000 claims description 73
- 239000011347 resin Substances 0.000 claims description 73
- 239000000463 material Substances 0.000 claims description 70
- 229920001187 thermosetting polymer Polymers 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 27
- 229920000728 polyester Polymers 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 20
- -1 polyethylene Polymers 0.000 claims description 19
- 239000004698 Polyethylene Substances 0.000 claims description 17
- 229920000573 polyethylene Polymers 0.000 claims description 17
- 239000000178 monomer Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000003365 glass fiber Substances 0.000 claims description 10
- 230000005855 radiation Effects 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 239000012815 thermoplastic material Substances 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 239000002313 adhesive film Substances 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000002329 infrared spectrum Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000002211 ultraviolet spectrum Methods 0.000 claims 1
- 239000006188 syrup Substances 0.000 description 22
- 235000020357 syrup Nutrition 0.000 description 22
- 239000003054 catalyst Substances 0.000 description 19
- 239000000835 fiber Substances 0.000 description 19
- 229920001169 thermoplastic Polymers 0.000 description 13
- 239000004416 thermosoftening plastic Substances 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000004641 Diallyl-phthalate Substances 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 239000010408 film Substances 0.000 description 8
- 229920002799 BoPET Polymers 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 239000005041 Mylar™ Substances 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 6
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 6
- 239000011976 maleic acid Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 229920005862 polyol Polymers 0.000 description 5
- 150000003077 polyols Chemical class 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000011152 fibreglass Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000013008 thixotropic agent Substances 0.000 description 3
- HSLFISVKRDQEBY-UHFFFAOYSA-N 1,1-bis(tert-butylperoxy)cyclohexane Chemical compound CC(C)(C)OOC1(OOC(C)(C)C)CCCCC1 HSLFISVKRDQEBY-UHFFFAOYSA-N 0.000 description 2
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000012260 resinous material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- DSCFFEYYQKSRSV-UHFFFAOYSA-N 1L-O1-methyl-muco-inositol Natural products COC1C(O)C(O)C(O)C(O)C1O DSCFFEYYQKSRSV-UHFFFAOYSA-N 0.000 description 1
- JMVZGKVGQDHWOI-UHFFFAOYSA-N 2-(2-methylpropoxy)-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC(C)C)C(=O)C1=CC=CC=C1 JMVZGKVGQDHWOI-UHFFFAOYSA-N 0.000 description 1
- NLGDWWCZQDIASO-UHFFFAOYSA-N 2-hydroxy-1-(7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-yl)-2-phenylethanone Chemical compound OC(C(=O)c1cccc2Oc12)c1ccccc1 NLGDWWCZQDIASO-UHFFFAOYSA-N 0.000 description 1
- XESZUVZBAMCAEJ-UHFFFAOYSA-N 4-tert-butylcatechol Chemical compound CC(C)(C)C1=CC=C(O)C(O)=C1 XESZUVZBAMCAEJ-UHFFFAOYSA-N 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920006257 Heat-shrinkable film Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000000687 hydroquinonyl group Chemical class C1(O)=C(C=C(O)C=C1)* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010944 pre-mature reactiony Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- MEBONNVPKOBPEA-UHFFFAOYSA-N trimethyl cyclohexane Natural products CC1CCCCC1(C)C MEBONNVPKOBPEA-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/22—Supports for the shank or arch of the uppers
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Moulding By Coating Moulds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/681,562 US4081917A (en) | 1976-04-29 | 1976-04-29 | Technique and articles for forming shoe shanks |
| US05/765,096 US4133117A (en) | 1977-02-03 | 1977-02-03 | Stiffener for shoes or the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1566634A true GB1566634A (en) | 1980-05-08 |
Family
ID=27102678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1661577A Expired GB1566634A (en) | 1976-04-29 | 1977-04-21 | Stiffener or reinforcement for boots and shoes |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS52136054A (es) |
| AR (1) | AR220515A1 (es) |
| BR (1) | BR7702640A (es) |
| CA (1) | CA1064252A (es) |
| DE (1) | DE2719239C2 (es) |
| ES (2) | ES458336A1 (es) |
| FR (1) | FR2349295A1 (es) |
| GB (1) | GB1566634A (es) |
| IT (1) | IT1084822B (es) |
| MX (1) | MX146244A (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4162583A (en) * | 1977-10-26 | 1979-07-31 | Bush Universal, Inc. | Shoe stiffener |
| JPS61240901A (ja) * | 1985-04-18 | 1986-10-27 | 株式会社 村井 | 靴用シヤンク入り中底の製造方法 |
| JPH0510641Y2 (es) * | 1985-12-10 | 1993-03-16 | ||
| JPS63150505U (es) * | 1987-03-25 | 1988-10-04 | ||
| US9913510B2 (en) * | 2012-03-23 | 2018-03-13 | Reebok International Limited | Articles of footwear |
| DE102015202014B4 (de) * | 2015-02-05 | 2020-02-06 | Adidas Ag | Verfahren und Vorrichtung zur Herstellung eines Schuhs und damit hergestellter Schuh |
| DE102015202013B4 (de) | 2015-02-05 | 2019-05-09 | Adidas Ag | Verfahren zur Herstellung eines Kunststoffformteils, Kunststoffformteil und Schuh |
| DE102016225623B4 (de) | 2016-12-20 | 2023-02-16 | Adidas Ag | Verfahren zum Verbinden von Komponenten eines Sportschuhs und Sportschuh davon sowie Vorrichtung zum Durchführen des Verfahrens |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1841461A (en) * | 1927-04-13 | 1932-01-19 | North American Chemical Compan | Shoe bottom filler sheet or piece |
| US2200401A (en) * | 1937-12-15 | 1940-05-14 | United Shoe Machinery Corp | Shoemaking |
| US2269562A (en) * | 1938-08-30 | 1942-01-13 | United Shoe Machinery Corp | Shoemaking |
| US2294982A (en) * | 1941-03-31 | 1942-09-08 | United Shoe Machinery Corp | Shank stiffener |
| US2317475A (en) * | 1941-11-05 | 1943-04-27 | United Shoe Machinery Corp | Shoe bottom unit and method of making the same |
| US2352520A (en) * | 1943-06-26 | 1944-06-27 | Compo Shoe Machinery Corp | Manufacture of footwear |
| US2425707A (en) * | 1945-09-08 | 1947-08-12 | Brauer Brothers Shoe Company | Shank stiffener |
| US2832976A (en) * | 1956-10-03 | 1958-05-06 | Carl A Huprich | Method of forming a resin-impregnated shoe shank stiffener |
| LU40755A1 (es) * | 1960-10-31 | 1962-01-02 | ||
| GB1116626A (en) * | 1964-10-03 | 1968-06-12 | British United Shoe Machinery | Improvements in or relating to shoe shank members |
| US3442032A (en) * | 1965-08-23 | 1969-05-06 | Genesco Inc | Shoe manufacture |
-
1977
- 1977-04-04 CA CA275,476A patent/CA1064252A/en not_active Expired
- 1977-04-11 AR AR26716377A patent/AR220515A1/es active
- 1977-04-21 GB GB1661577A patent/GB1566634A/en not_active Expired
- 1977-04-21 MX MX16884977A patent/MX146244A/es unknown
- 1977-04-27 IT IT2289577A patent/IT1084822B/it active
- 1977-04-27 BR BR7702640A patent/BR7702640A/pt unknown
- 1977-04-27 JP JP4900677A patent/JPS52136054A/ja active Granted
- 1977-04-29 ES ES458336A patent/ES458336A1/es not_active Expired
- 1977-04-29 FR FR7713106A patent/FR2349295A1/fr active Granted
- 1977-04-29 DE DE19772719239 patent/DE2719239C2/de not_active Expired
-
1978
- 1978-04-01 ES ES468483A patent/ES468483A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2349295A1 (fr) | 1977-11-25 |
| IT1084822B (it) | 1985-05-28 |
| DE2719239A1 (de) | 1977-11-10 |
| AR220515A1 (es) | 1980-11-14 |
| BR7702640A (pt) | 1978-01-10 |
| JPS52136054A (en) | 1977-11-14 |
| FR2349295B1 (es) | 1982-04-16 |
| ES468483A1 (es) | 1979-09-16 |
| ES458336A1 (es) | 1978-06-16 |
| CA1064252A (en) | 1979-10-16 |
| MX146244A (es) | 1982-06-02 |
| DE2719239C2 (de) | 1985-08-01 |
| JPS6312605B2 (es) | 1988-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19970420 |