WO1981000344A1 - Donable surgeon's glove free of inner surface lubricating powder and method of making same - Google Patents
Donable surgeon's glove free of inner surface lubricating powder and method of making same Download PDFInfo
- Publication number
- WO1981000344A1 WO1981000344A1 PCT/US1980/000878 US8000878W WO8100344A1 WO 1981000344 A1 WO1981000344 A1 WO 1981000344A1 US 8000878 W US8000878 W US 8000878W WO 8100344 A1 WO8100344 A1 WO 8100344A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- glove
- set forth
- surgeon
- support
- backing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0064—Producing wearing apparel
- B29D99/0067—Gloves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B42/00—Surgical gloves; Finger-stalls specially adapted for surgery; Devices for handling or treatment thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
- B29C33/64—Silicone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
Definitions
- This invention relates to a powder free surgeon's glove of a material such as latex rubber, which has a halogen resistant layer, such as silicone, covalently bonded to its outer surface.
- Patents 3,845,031 and 3,992,221 describe a treatment for synthetic and natural rubber materials which include halogenating their surfaces.
- the former patent deals with providing a better "glueable" surface to rubber.
- the latter patent is attempting to provide a donable glove that does not require a lubricating powder.
- This proposal involves treating the glove with fluorine gas.
- fluorine treatment has a disadvantage of substantially weakening the rubber glove structure so that it cracks and breaks during stretching. This could be the reason why such glove has never been marketed.
- the present invention overcomes the problem of the prior art by covalently bonding to an exterior surface of a highly stretchable surgeon's
- C-. ⁇ PI glove such as of latex
- an outer barrier glove of a halogen resistant material such as silicone or urethane
- the inner surface of the glove is then halogenated for easy donning without a powdered lubricant.
- Such glove is very sturdy and does not crack or delaminate when highly stretched in sharp angular condition in knuckle flexing and during donning.
- Figure 1 is a front elevational view of the glovej
- Figure 2 is an enlarged fragmentary sectional view taken along line 2-2 of Figure 1
- Figure 3 is a schematic showing of the glove being dipped into a halogen resistant backing or barrier material to form the external backing glovej
- Figure 4 is a schematic showing of the glove being halogenated after the backing glove has been applied.
- a surgeon's glove is shown with the typical finger area 1 and thumb area 2.
- the wall or shell forming the glove includes a support glove 5 which frequently is of a rubber latex material.
- An exterior backing glove 6 which preferably is of a silicone material is covalently bonded at an area 7 to the support glove 5.
- a halogenated area 15 forms the inner surface of the glove. in a co-pending application entitled "Hypoallergenic Slip Resistant
- Example 1 A ceramic glove form was preheated to 150 F and through coagulant and latex dipping processes, as is well-known in the glove art, the latex glove of coagulum was deposited on the form. After air drying for 2-3 minutes, all soluble components in the coagulant, as well as in the latex, were dissolved in running water for 8 minutes. The dry coagulum on the glove form was cured at 260° F for 20 minutes. The glove while still on the form was subjected to forced air cooling, until the temper ⁇ ature became 160° F.
- the form was momentarily dipped into a priming solution com ⁇ posed of a sulfhydryl-alkylethoxysilane in isopropanol as disclosed in Patent 3,434,869.
- the primed glove was then dipped in an RTV silicone coating and cured.
- Example 2 A similar procedure according to Example 1, except the primer and silicone are applied in a single step.
- 1/2 liter of 3% 3-mereaptopropyl-triethoxy-silane in isopropanol was added to 5 liters of 8% acetoxy-polydimethyl-siloxane in petroleum ether containing a small amount of fumed silica and the mixture stirred well. If desired, fumed silica could be eliminated.
- the unstripped gloves were dipped into the solution after they cooled to 150° F. When most of the solvent evaporated, the gloves were heated with steam at 210 F for 5-10 minutes. The gloves were cooled in a cold air stream and then stripped from the form.
- the silicone layer was cured and did not delaminate or craze even when exhaustive repetitive stretching and releasing occured.
- the above process is schematically shown in Figure 3 where the backing glove on a form 9 is dipped into a tank 10 containing the backing glove material 11, such as the silicone.
- a surgeon's glove prepared according to Example 1 or 2 was stripped from the mold and halogenated in a 1% chlorine and 10% acetic acid in an aqueous solution for 5-20 minutes. The halogenated glove was then rinsed in 0.2% ammonia solution and dried. The dried gloves were finally heated to 70° C for 10 minutes. The resulting glove was:
- halogenation did not affect or accelerate oxidation failure of the gloves, whereas unlaminated gloves could be cracked in several days even at a much lower degree of_halo- genation.
- halogen sensitive elastomers for the support glove could be used, as well as other backing elastomers, so long as they met the general spirit of the present invention.
- synthetic as well as natural rubber latex could be used for the support glove to provide vinyl groups for covalent chemical bonding.
- a polyurethane with an appropriate linker could be employed to provide a halogen resistant outer glove covalently bonded to the support glove.
- the "powder free" donable glove works well when the support glove is of a natural latex rubber of 3-10 mil thickness.
- This glove can be manufactured by a process that does not use talc in its latex dipping slurry for mold release. Such process is described in a co-pending patent application entitled “Surgeon's Glove and Talc Free Process For Forming Same," filed , S.N. .
- the present invention can work with conventional latex surgeon's gloves which include talc suspended in a dipping slurry when the gloves are dip coated to form the glove on a glove form.
- the latex support glove is preferably covalently bonded to the backing glove of silicone or polyurethane in which the backing glove has a thickness of from .25 to 2 mi
- the backing glove has a thickness of from .25 to 2 mi
Abstract
A powder free surgeon's glove of a material such as latex rubber (5), which has covalently bonded to its outer surface a halogen resistant layer (6), such as silicone. The inner surface (15) of the glove has been halogen treated for smooth nontacky donning characteristics.
Description
Description
Donable Surgeon's Glove Free of Inner Surface Lubricating Powder and Method of Making Same
Technical Field This invention relates to a powder free surgeon's glove of a material such as latex rubber, which has a halogen resistant layer, such as silicone, covalently bonded to its outer surface.
Background Art
It is . well-known that the highly stretchable latex surgeon's gloves are very difficult to don without a lubricating powder, such as cornstarch, etc The use of such donning powder, while neeessary in the commercial surgeon's gloves, is not desirable because it requires the surgeon to remove any excess powder after donning. If he does not do this, some of the lubricating powder can enter a surgical wound. Some reports believe that such powder could cause a granuloma in some instances.
Attempts to eliminate the donning powder have not been suc¬ cessful because the surgeons simply could not get the glove on. Patents 3,845,031 and 3,992,221 describe a treatment for synthetic and natural rubber materials which include halogenating their surfaces. The former patent deals with providing a better "glueable" surface to rubber. The latter patent is attempting to provide a donable glove that does not require a lubricating powder. This proposal involves treating the glove with fluorine gas. Such fluorine treatment has a disadvantage of substantially weakening the rubber glove structure so that it cracks and breaks during stretching. This could be the reason why such glove has never been marketed.
Disclosure of Invention
The present invention overcomes the problem of the prior art by covalently bonding to an exterior surface of a highly stretchable surgeon's
C-.ΓPI
glove (such as of latex) an outer barrier glove of a halogen resistant material (such as silicone or urethane). The inner surface of the glove is then halogenated for easy donning without a powdered lubricant. Such glove is very sturdy and does not crack or delaminate when highly stretched in sharp angular condition in knuckle flexing and during donning.
Brief Description of Drawings
Figure 1 is a front elevational view of the glovej Figure 2 is an enlarged fragmentary sectional view taken along line 2-2 of Figure 1; Figure 3 is a schematic showing of the glove being dipped into a halogen resistant backing or barrier material to form the external backing glovej and Figure 4 is a schematic showing of the glove being halogenated after the backing glove has been applied.
Best Mode for Carrying Out the Invention
In Figure 1, a surgeon's glove is shown with the typical finger area 1 and thumb area 2. The wall or shell forming the glove, as shown in Figure 2, includes a support glove 5 which frequently is of a rubber latex material. An exterior backing glove 6 which preferably is of a silicone material is covalently bonded at an area 7 to the support glove 5. A halogenated area 15 forms the inner surface of the glove. in a co-pending application entitled "Hypoallergenic Slip Resistant
Gloves and Methods of Making Same," filed ,
S.N. ._, a description is given for covalently bonding a silicone layer on an inner surface of the glove to prevent contact between a surgeon's hand and the rubber latex glove. Some surgeons, nurses, etc. are highly sensitive to certain components of natural rubber, such as sulphur and other accelerators and preservatives. The donning powder with the internal silicone boundary glove was reduced to about 1/3 of the normal amount, but was still required. The present patent application uses no donning powder on its inner surface, but cannot be considered hypoallergenic because materials from the latex glove can contact the hand of the surgeon or nurse when worn. The present glove is primarily for persons who are not ultrasensitive to materials in natural and synthetic rubber.
Applying the halogen resistant backing glove 6 to support glove 5 by means of covalent chemical bonds to prepare the glove for halo- genation can be done as follows.
Example 1 A ceramic glove form was preheated to 150 F and through coagulant and latex dipping processes, as is well-known in the glove art, the latex glove of coagulum was deposited on the form. After air drying for 2-3 minutes, all soluble components in the coagulant, as well as in the latex, were dissolved in running water for 8 minutes. The dry coagulum on the glove form was cured at 260° F for 20 minutes. The glove while still on the form was subjected to forced air cooling, until the temper¬ ature became 160° F.
The form was momentarily dipped into a priming solution com¬ posed of a sulfhydryl-alkylethoxysilane in isopropanol as disclosed in Patent 3,434,869. The primed glove was then dipped in an RTV silicone coating and cured.
Example 2 A similar procedure according to Example 1, except the primer and silicone are applied in a single step. In the present example, 1/2 liter of 3% 3-mereaptopropyl-triethoxy-silane in isopropanol was added to 5 liters of 8% acetoxy-polydimethyl-siloxane in petroleum ether containing a small amount of fumed silica and the mixture stirred well. If desired, fumed silica could be eliminated. The unstripped gloves were dipped into the solution after they cooled to 150° F. When most of the solvent evaporated, the gloves were heated with steam at 210 F for 5-10 minutes. The gloves were cooled in a cold air stream and then stripped from the form. The silicone layer was cured and did not delaminate or craze even when exhaustive repetitive stretching and releasing occured. The above process is schematically shown in Figure 3 where the backing glove on a form 9 is dipped into a tank 10 containing the backing glove material 11, such as the silicone.
The combined support glove (latex) and backing glove (silicone) which are covalently bonded together are then stripped from form 9 and halogenated as schematically shown in Figure 4.
Example 3
A surgeon's glove prepared according to Example 1 or 2 was stripped from the mold and halogenated in a 1% chlorine and 10% acetic acid in an aqueous solution for 5-20 minutes. The halogenated glove was then rinsed in 0.2% ammonia solution and dried. The dried gloves were finally heated to 70° C for 10 minutes. The resulting glove was:
1) easily donable without any lubricating powder j
2) the silicone side was extremely smooth and had sufficient frictious properties to conveniently hold medical instru- ments whether wet or dry
3) the glove did not delaminate upon repeated stretching
4) halogenation did not affect or accelerate oxidation failure of the gloves, whereas unlaminated gloves could be cracked in several days even at a much lower degree of_halo- genation.
Other halogen sensitive elastomers for the support glove could be used, as well as other backing elastomers, so long as they met the general spirit of the present invention. For instance, synthetic as well as natural rubber latex could be used for the support glove to provide vinyl groups for covalent chemical bonding.
Also, a polyurethane with an appropriate linker could be employed to provide a halogen resistant outer glove covalently bonded to the support glove.
The "powder free" donable glove works well when the support glove is of a natural latex rubber of 3-10 mil thickness. This glove can be manufactured by a process that does not use talc in its latex dipping slurry for mold release. Such process is described in a co-pending patent application entitled "Surgeon's Glove and Talc Free Process For Forming Same," filed , S.N. . However, the present invention can work with conventional latex surgeon's gloves which include talc suspended in a dipping slurry when the gloves are dip coated to form the glove on a glove form. Regardless of the process for forming the latex support glove, it is preferably covalently bonded to the backing glove of silicone or polyurethane in which the backing glove has a thickness of from .25 to 2 mi
In the foregoing description, specific examples have been used to describe the invention. It is understood by those skilled in the art that modifications can be made to these examples without departing from the spirit and scope of the invention.
Claims
1. A powder free surgeon's glove comprising: a support glove of a first elastomer; a backing glove of a second elastomer having greater resistance to halogen degradation than the first elastomer secured at covalent chemical bonds to an outer surface of the support glove; and a halogenated inner surface of the support glove, whereby sharp angular flexing in this knuckle area as well as stretching and snapping during donning does not crack the halogenated support glove nor delaminate it from this backing glove.
2. A surgeon's glove as set forth in Claim 1, wherein the, first elastomer is latex rubber.
3. A surgeon's glove as set forth in Claim 1, wherein the second elastomer is silicone.
4. A surgeon's glove as set forth in Claim 1, wherein the support glove has a thickness of .003 to .010 inch and the backing glove has a thickness of .0002 to .002 inch.
5. A surgeon's glove as set forth in Claim 1, wherein the inner surface is chlorine halogenated.
6. A surgeon's glove as set forth in Claim 1, wherein the backing glove has greater slip resistance than the support glove for manipulating surgical instruments.
7. A surgical glove as set forth in Claim 1, wherein the second elastomer is capable of stretching as much or more than the first elastomer to prevent crazing in the knuckle area.
8. A method of making a powder free surgeon's glove comprising the steps of: L a) forming a support glove of a first elastomer; b) attaching a backing glove of a second elastomer to an exterior of the support glove, which backing glove has a greater resistance to halogen degradation than the support glove; c) bonding the two gloves together by covalent chemical bonds; d) curing the backing glove; and e) halogenating a surface of the support glove that is not protected by the backing glove to provide a surgeon's glove that is easily donable without lubricating powders.
9. A method as set forth in Claim 8, wherein the support glove is formed of latex rubber.
10. A method as set forth in Claim 8, wherein the backing glove is formed of silicone.
11. A method as set forth in Claim 8, wherein the support glove is halogenated with chlorine.
12. A method as set forth in Claim 8, wherein the method includes the further step of heat treating the halogenated glove.
13. A method as set forth in Claim 8, wherein the heat treating step is carried out at 50° to 110° C for a period of 5 to 30 minutes.
14. A method as set forth in Claim 8, wherein the halogenation step includes submerging the glove in an aqueous solution containing a halogen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61787 | 1979-07-30 | ||
US06/061,787 US4304008A (en) | 1979-07-30 | 1979-07-30 | Donable surgeon's glove free of inner surface lubricating powder and method of making same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1981000344A1 true WO1981000344A1 (en) | 1981-02-19 |
Family
ID=22038131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1980/000878 WO1981000344A1 (en) | 1979-07-30 | 1980-07-14 | Donable surgeon's glove free of inner surface lubricating powder and method of making same |
Country Status (4)
Country | Link |
---|---|
US (1) | US4304008A (en) |
EP (1) | EP0032509A4 (en) |
BE (1) | BE884551A (en) |
WO (1) | WO1981000344A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990003632A1 (en) * | 1988-09-19 | 1990-04-05 | Margaret Pamela Richardson | Tamper- or damage-indicating members |
GB2264632A (en) * | 1992-03-07 | 1993-09-08 | Smith & Nephew | Protective liners for surgical gloves |
WO1994025512A1 (en) * | 1993-04-30 | 1994-11-10 | Slim River Latex Sdn. Bhd. | Process for surface treatment of natural and synthetic rubber |
CN113043619A (en) * | 2021-02-01 | 2021-06-29 | 重庆门朵新材料科技有限公司 | System for manufacturing polyurethane condom by wet method |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3201976A1 (en) * | 1982-01-22 | 1983-08-04 | Alkem Gmbh, 6450 Hanau | GLOVE BOX |
US4499154A (en) * | 1982-09-03 | 1985-02-12 | Howard L. Podell | Dipped rubber article |
US4597108A (en) * | 1984-11-28 | 1986-07-01 | Akira Momose | Powderfree surgical gloves |
US5025502A (en) * | 1989-09-18 | 1991-06-25 | Raymond Douglas W | Puff-off glove |
DE69308172D1 (en) * | 1992-06-10 | 1997-03-27 | Maxxim Med Inc | Flexible rubber article and process for its manufacture |
US6075081A (en) | 1997-04-23 | 2000-06-13 | Ansell Healthcare Products Inc. | Manufacture of rubber articles |
US5441355A (en) * | 1994-05-24 | 1995-08-15 | Arbitrage Imports Incorporated | Scrubber device with waterproof mitt |
ES2109144B1 (en) * | 1994-10-28 | 1998-08-16 | Productes Del Latex S A | COMPOSITION FOR THE COATING OF RUBBER OR LATEX ARTICLES. |
US5700585A (en) * | 1995-02-14 | 1997-12-23 | Avery Dennison Corporation | Acrylic emulsion coatings for formed articles |
US5691069A (en) * | 1995-02-14 | 1997-11-25 | Avery Dennison Corporation | Acrylic emulsion coatings for rubber articles |
US6284856B1 (en) | 1995-02-14 | 2001-09-04 | Avery Dennison Corporation | Acrylate, silicone, styrene, urethane copolymer coatings for natural and synthetic rubber articles |
US6383552B1 (en) | 1995-08-30 | 2002-05-07 | Audra Noecker | Thin-walled natural rubber latex material substantially free of sulfur and nitrosamines, and method of making same |
US6051320A (en) * | 1995-08-30 | 2000-04-18 | Audra International, L.L.C. | Thin-walled natural rubber latex material substantially free of sulfur and nitrosamines |
US6730380B2 (en) | 1996-02-20 | 2004-05-04 | Safeskin Corp. | Readily-donned elastomeric articles |
US6242042B1 (en) | 1998-09-14 | 2001-06-05 | Lrc Products Ltd. | Aqueous coating composition and method |
US6347408B1 (en) | 1998-11-05 | 2002-02-19 | Allegiance Corporation | Powder-free gloves having a coating containing cross-linked polyurethane and silicone and method of making the same |
US6391409B1 (en) | 1999-02-12 | 2002-05-21 | Allegiance Corporation | Powder-free nitrile-coated gloves with an intermediate rubber-nitrile layer between the glove and the coating and method of making same |
JP3635060B2 (en) * | 1999-05-28 | 2005-03-30 | 株式会社鈴木ラテックス | Non-sticky latex product |
US7582343B1 (en) | 1999-06-15 | 2009-09-01 | Kimberly-Clark Worldwide, Inc. | Elastomeric article with fine colloidal silica surface treatment, and its preparation |
US6465591B1 (en) | 2000-04-24 | 2002-10-15 | Avery Dennison Corporation | Acrylic emulsion coating for films, paper and rubber |
US20030118761A1 (en) | 2001-12-21 | 2003-06-26 | Kimberly-Clark Worldwide, Inc. | Elastomeric articles having improved chemical resistance |
US6875391B2 (en) * | 2002-06-03 | 2005-04-05 | Kimberly-Clark Worldwide, Inc. | Method of making a glove having improved donning characteristics |
US20030226191A1 (en) * | 2002-06-03 | 2003-12-11 | Kimberly-Clark Worldwide, Inc. | Elastomeric gloves having improved gripping characteristics |
US7178171B2 (en) | 2002-08-19 | 2007-02-20 | Kimberly-Clark Worldwide, Inc. | Elastomeric gloves having enhanced breathability |
US20040217506A1 (en) * | 2003-05-02 | 2004-11-04 | Kimberly-Clark Worldwide, Inc. | Method of treating an elastomeric matrix |
US7052642B2 (en) | 2003-06-11 | 2006-05-30 | Kimberly-Clark Worldwide, Inc. | Composition for forming an elastomeric article |
US20060059604A1 (en) * | 2005-12-01 | 2006-03-23 | Ansell Healthcare Products Llc | Latex glove with fabric-adherent cuff region |
US20070225425A1 (en) * | 2006-03-24 | 2007-09-27 | Nash Paul L | Low tack elastomer composition, part and methods |
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US732360A (en) * | 1903-04-24 | 1903-06-30 | Clarence A Lindsay | Seamless rubber glove. |
US2668789A (en) * | 1950-10-16 | 1954-02-09 | Calvin White H | Composite rubber and resinous plastic materials and method of making same |
US2781288A (en) * | 1954-08-30 | 1957-02-12 | Dow Corning | Laminated rubber article and a method of making same |
US2789933A (en) * | 1952-04-30 | 1957-04-23 | Us Rubber Co | Manufacture of rubber articles |
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US2989755A (en) * | 1957-10-18 | 1961-06-27 | Seamless Rubber Co | Surgeons' gloves and method of making the same |
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GB787417A (en) * | 1954-12-15 | 1957-12-11 | Us Rubber Co | Improvements in slip-finish flock coated rubber article |
GB881474A (en) * | 1957-08-30 | 1961-11-01 | Dunlop Rubber Co | Rubber gloves |
CA1049345A (en) * | 1975-06-24 | 1979-02-27 | Pascal E. Esemplare | Rubber articles having improved slip coating |
-
1979
- 1979-07-30 US US06/061,787 patent/US4304008A/en not_active Expired - Lifetime
-
1980
- 1980-07-14 WO PCT/US1980/000878 patent/WO1981000344A1/en not_active Application Discontinuation
- 1980-07-30 BE BE0/201588A patent/BE884551A/en unknown
-
1981
- 1981-02-24 EP EP19800901600 patent/EP0032509A4/en not_active Withdrawn
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US732360A (en) * | 1903-04-24 | 1903-06-30 | Clarence A Lindsay | Seamless rubber glove. |
US2668789A (en) * | 1950-10-16 | 1954-02-09 | Calvin White H | Composite rubber and resinous plastic materials and method of making same |
US2789933A (en) * | 1952-04-30 | 1957-04-23 | Us Rubber Co | Manufacture of rubber articles |
US2781288A (en) * | 1954-08-30 | 1957-02-12 | Dow Corning | Laminated rubber article and a method of making same |
USRE24953E (en) * | 1954-11-22 | 1961-03-28 | Gjajj | |
US2989755A (en) * | 1957-10-18 | 1961-06-27 | Seamless Rubber Co | Surgeons' gloves and method of making the same |
US3992221A (en) * | 1975-10-23 | 1976-11-16 | Vitek, Inc. | Method of treating extensible hydrocarbon articles |
Non-Patent Citations (1)
Title |
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See also references of EP0032509A4 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990003632A1 (en) * | 1988-09-19 | 1990-04-05 | Margaret Pamela Richardson | Tamper- or damage-indicating members |
EP0368456A1 (en) * | 1988-09-19 | 1990-05-16 | RICHARDSON, Margaret Pamela | Tamper or damage-indicating members |
GB2242817A (en) * | 1988-09-19 | 1991-10-16 | Margaret Pamela Richardson | Tamper or damage-indicating members |
GB2242817B (en) * | 1988-09-19 | 1992-04-08 | Margaret Pamela Richardson | Tamper or damage-indicating members |
US5224221A (en) * | 1988-09-19 | 1993-07-06 | Philip Richardson | Tamper or damage indicating members |
GB2264632A (en) * | 1992-03-07 | 1993-09-08 | Smith & Nephew | Protective liners for surgical gloves |
GB2264632B (en) * | 1992-03-07 | 1996-10-30 | Smith & Nephew | Protective liners for surgical gloves |
WO1994025512A1 (en) * | 1993-04-30 | 1994-11-10 | Slim River Latex Sdn. Bhd. | Process for surface treatment of natural and synthetic rubber |
CN113043619A (en) * | 2021-02-01 | 2021-06-29 | 重庆门朵新材料科技有限公司 | System for manufacturing polyurethane condom by wet method |
CN113043619B (en) * | 2021-02-01 | 2022-09-09 | 桂林恒保健康防护有限公司 | System for manufacturing polyurethane condom by wet method |
Also Published As
Publication number | Publication date |
---|---|
BE884551A (en) | 1980-11-17 |
EP0032509A4 (en) | 1981-12-10 |
EP0032509A1 (en) | 1981-07-29 |
US4304008A (en) | 1981-12-08 |
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