CN112917858A - Windscreen wiper rubber strip with hollow cavity and processing technology thereof - Google Patents
Windscreen wiper rubber strip with hollow cavity and processing technology thereof Download PDFInfo
- Publication number
- CN112917858A CN112917858A CN202110092674.9A CN202110092674A CN112917858A CN 112917858 A CN112917858 A CN 112917858A CN 202110092674 A CN202110092674 A CN 202110092674A CN 112917858 A CN112917858 A CN 112917858A
- Authority
- CN
- China
- Prior art keywords
- rubber strip
- hollow cavity
- wiper
- wiper rubber
- finished product
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
-
- 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
- B29C41/08—Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder
-
- 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
- B29C41/20—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 incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/38—Wiper blades
- B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
Abstract
The invention provides a wiper rubber strip with a hollow cavity and a processing technology thereof, wherein the wiper rubber strip comprises a rubber strip scraper arranged at the bottom of the rubber strip, the left side and the right side of the rubber strip are respectively provided with a first-order vertical elastic belt integrally processed with the rubber strip, the left side and the right side of the rubber strip are respectively provided with a second-order vertical elastic belt integrally processed with the rubber strip, the second-order vertical elastic belts are positioned right below the corresponding first-order vertical elastic belts, and the bottom of the front side and the bottom of the rear side of the rubber strip are provided with the same hollow cavity.
Description
Technical Field
The invention relates to the technical field of wiper rubber strips, in particular to a wiper rubber strip with a hollow cavity and a processing technology thereof.
Background
The windscreen wiper is used for wiping and brushing rainwater, dust and the like on the outer surface of the front window glass of an automobile, so that the visual field of an automobile driver is clear, and the driving safety is guaranteed. When the windscreen wiper works, the connecting rod is driven by the windscreen wiper motor, the connecting rod drives the scraping arm, and the scraping arm drives the windscreen wiper rubber strip to do reciprocating motion on glass, so that rainwater, dust and the like on the glass are scraped, the existing windscreen wiper rubber strip is easy to deform when stressed for a long time, and further the wiping function of the existing windscreen wiper rubber strip is caused to fail.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a wiper rubber strip with a hollow cavity and a processing technology thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a windscreen wiper adhesive tape with well cavity, scrapes including setting up the adhesive tape in the adhesive tape bottom, the left side and the right side of adhesive tape all are equipped with one rather than the first order vertical elastic band that integrated processing formed, the left side and the right side of adhesive tape all are equipped with one rather than the second order vertical elastic band that integrated processing formed, the second order vertical elastic band is located under the first order vertical elastic band that corresponds, same well cavity has been seted up to the front side bottom and the rear side bottom of adhesive tape.
Preferably, the adhesive tape scraper and the bottom of the adhesive tape are integrally processed.
Preferably, the front vertical section of the hollow cavity is square, and the width to length ratio of the hollow cavity is set between 0.16 and 0.45.
The invention also provides a processing technology of the wiper rubber strip with the hollow cavity, which comprises the following steps:
s1: mixing the rubber materials: mixing natural rubber, a low-temperature resistant agent, a vulcanizing agent, an antiozonant and an anti-aging agent according to the weight ratio of 1: 0.3: 0.01: 0.015: 0.02, taking out after uniformly mixing the materials in the internal mixer for 3min, then putting the materials into an open mixer to mix for 3-4min by using rollers in the internal mixer, and pressing the materials with uniform thickness in the process of mixing the materials in the open mixer to obtain a mixture;
s2: extrusion molding: putting the mixture obtained in the step S1 into an extruder, extruding the mixture by the extruder through the pressure applied by the extruder to obtain an extruded material, and obtaining a semi-finished product of the wiper rubber strip with a hollow cavity by the extruded material through a rubber material forming die;
s3: spraying: cleaning the surface of the semi-finished product of the wiper rubber strip with the hollow cavity obtained in the step S2 through chlorine and high-pressure plasma, and then uniformly spraying Teflon water-based paint on the surface of the semi-finished product of the wiper rubber strip with the hollow cavity;
s4: and (3) curing: putting the semi-finished product of the wiper rubber strip with the hollow cavity after the spraying operation in the step S3 into an oven, and curing the semi-finished product of the wiper rubber strip with the hollow cavity for 8-12min by the oven;
s5: and (3) finished product: and cutting the semi-finished product of the wiper rubber strip with the hollow cavity subjected to the curing operation in the step S4 according to the width specification and the size to finally obtain the wiper rubber strip with the hollow cavity and the low friction coefficient.
Preferably, in S3, the teflon water-based paint is prepared from polytetrafluoroethylene, molybdenum disulfide, distilled water and teflon resin according to a weight ratio of 4-5: 0.7-0.9: 1-1.6: 0.5-0.7, and mixing uniformly.
Preferably, in the S4, the temperature inside the oven is set to 120-.
Compared with the prior art, the wiper rubber strip with the hollow cavity can effectively avoid the deformation phenomenon of the rubber strip after being stressed for a long time, and greatly prolongs the service life of the wiper rubber strip.
Drawings
Fig. 1 is a schematic structural view of a wiper strip with a hollow cavity according to the present invention.
In the figure: adhesive tape 1, first-order vertical elastic band 2, second-order vertical elastic band 3, adhesive tape scraper 4 and hollow cavity 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the embodiment provides a wiper rubber strip with a hollow cavity, which comprises a rubber strip scraper 4 arranged at the bottom of a rubber strip 1, wherein the rubber strip scraper 4 is integrally processed with the bottom of the rubber strip 1, the left side and the right side of the rubber strip 1 are respectively provided with a first-order vertical elastic belt 2 integrally processed with the rubber strip, the left side and the right side of the rubber strip 1 are respectively provided with a second-order vertical elastic belt 3 integrally processed with the rubber strip 1, the second-order vertical elastic belts 3 are positioned under the corresponding first-order vertical elastic belts 2, the bottom of the front side and the bottom of the rear side of the rubber strip 1 are provided with the same hollow cavity 5, the vertical section of the front side of the hollow cavity 5 is in a square shape, and the width and length ratio of the hollow cavity 5 are set between 0.16-0.45, the wiper rubber strip with the hollow cavity can effectively avoid the deformation phenomenon of the rubber strip 1 after long-time stress, and the service life of the wiper rubber strip is greatly prolonged.
The embodiment also provides a processing technology of the wiper rubber strip with the hollow cavity, which comprises the following steps:
s1: mixing the rubber materials: mixing natural rubber, a low-temperature resistant agent, a vulcanizing agent, an antiozonant and an anti-aging agent according to the weight ratio of 1: 0.3: 0.01: 0.015: 0.02, taking out after uniformly mixing the materials in the internal mixer for 3min, then putting the materials into an open mixer to mix for 3-4min by using rollers in the internal mixer, and pressing the materials with uniform thickness in the process of mixing the materials in the open mixer to obtain a mixture;
s2: extrusion molding: putting the mixture obtained in the step S1 into an extruder, extruding the mixture by the extruder through the pressure applied by the extruder to obtain an extruded material, and obtaining a semi-finished product of the wiper rubber strip with a hollow cavity by the extruded material through a rubber material forming die;
s3: spraying: cleaning the surface of the semi-finished product of the wiper rubber strip with the hollow cavity obtained in the step S2 through chlorine and high-pressure plasma, and then uniformly spraying Teflon water-based paint on the surface of the semi-finished product of the wiper rubber strip with the hollow cavity, wherein the Teflon water-based paint is prepared from polytetrafluoroethylene, molybdenum disulfide, distilled water and Teflon resin according to the weight ratio of 4-5: 0.7-0.9: 1-1.6: 0.5-0.7, and mixing uniformly;
s4: and (3) curing: placing the semi-finished product of the wiper rubber strip with the hollow cavity after the spraying operation in the step S3 into an oven, wherein the temperature in the oven is set to be 120-;
s5: and (3) finished product: and cutting the semi-finished product of the wiper rubber strip with the hollow cavity subjected to the curing operation in the step S4 according to the width specification and the size to finally obtain the wiper rubber strip with the hollow cavity and the low friction coefficient.
The experimental description is as follows:
wherein: the angle change is obtained after a wiper blade with a length of 600mm applies a force of 11N to a wiper rubber strip and is placed in an oven at 60 ℃ for 300 hours.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a windscreen wiper adhesive tape with well cavity, scrapes (4) including setting up the adhesive tape in adhesive tape (1) bottom, its characterized in that, the left side and the right side of adhesive tape (1) all are equipped with one and process first order perpendicular elastic webbing (2) that forms rather than the integration, the left side and the right side of adhesive tape (1) all are equipped with one and process second order perpendicular elastic webbing (3) that forms rather than the integration, second order perpendicular elastic webbing (3) are located under first order perpendicular elastic webbing (2) that correspond, same well cavity (5) have been seted up to the front side bottom and the rear side bottom of adhesive tape (1).
2. The wiper rubber strip with the hollow cavity according to claim 1, wherein the rubber strip wiper (4) is integrally formed with the bottom of the rubber strip (1).
3. The wiper strip with the hollow cavity according to claim 1, wherein the front vertical section of the hollow cavity (5) is square, and the width and length ratio of the hollow cavity (5) is set between 0.16-0.45.
4. A processing technology of a wiper rubber strip with a hollow cavity is characterized by comprising the following steps:
s1: mixing the rubber materials: mixing natural rubber, a low-temperature resistant agent, a vulcanizing agent, an antiozonant and an anti-aging agent according to the weight ratio of 1: 0.3: 0.01: 0.015: 0.02, taking out after uniformly mixing the materials in the internal mixer for 3min, then putting the materials into an open mixer to mix for 3-4min by using rollers in the internal mixer, and pressing the materials with uniform thickness in the process of mixing the materials in the open mixer to obtain a mixture;
s2: extrusion molding: putting the mixture obtained in the step S1 into an extruder, extruding the mixture by the extruder through the pressure applied by the extruder to obtain an extruded material, and obtaining a semi-finished product of the wiper rubber strip with a hollow cavity by the extruded material through a rubber material forming die;
s3: spraying: cleaning the surface of the semi-finished product of the wiper rubber strip with the hollow cavity obtained in the step S2 through chlorine and high-pressure plasma, and then uniformly spraying Teflon water-based paint on the surface of the semi-finished product of the wiper rubber strip with the hollow cavity;
s4: and (3) curing: putting the semi-finished product of the wiper rubber strip with the hollow cavity after the spraying operation in the step S3 into an oven, and curing the semi-finished product of the wiper rubber strip with the hollow cavity for 8-12min by the oven;
s5: and (3) finished product: and cutting the semi-finished product of the wiper rubber strip with the hollow cavity subjected to the curing operation in the step S4 according to the width specification and the size to finally obtain the wiper rubber strip with the hollow cavity and the low friction coefficient.
5. The process for manufacturing the wiper strip with the hollow cavity as claimed in claim 4, wherein in the step S3, the Teflon water-based paint is prepared from polytetrafluoroethylene, molybdenum disulfide, distilled water and Teflon resin according to a weight ratio of 4-5: 0.7-0.9: 1-1.6: 0.5-0.7, and mixing uniformly.
6. The process for manufacturing the wiper rubber strip with the hollow cavity as claimed in claim 4, wherein in the step S4, the temperature inside the oven is set to be 120-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092674.9A CN112917858B (en) | 2021-01-25 | 2021-01-25 | Wiper rubber strip with hollow cavity and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110092674.9A CN112917858B (en) | 2021-01-25 | 2021-01-25 | Wiper rubber strip with hollow cavity and processing technology thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112917858A true CN112917858A (en) | 2021-06-08 |
| CN112917858B CN112917858B (en) | 2023-05-02 |
Family
ID=76165474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110092674.9A Active CN112917858B (en) | 2021-01-25 | 2021-01-25 | Wiper rubber strip with hollow cavity and processing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112917858B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001008948A1 (en) * | 1999-07-30 | 2001-02-08 | Robert Bosch Gmbh | Wiper blade for cleaning vehicle windscreens |
| KR20010073839A (en) * | 2000-01-21 | 2001-08-03 | 임문혁 | Wiper blade |
| JP3100205U (en) * | 2003-09-02 | 2004-05-13 | 松岡 治幸 | Wiper blade |
| CN1666912A (en) * | 2004-02-09 | 2005-09-14 | 罗伯特·博世有限公司 | Water scraper and manufacturing method thereof |
| EP2025707A1 (en) * | 2007-07-24 | 2009-02-18 | Robert Bosch Gmbh | Cable extrudate and method for its manufacture and application |
| CN201784582U (en) * | 2010-04-09 | 2011-04-06 | 孙再庸 | Rubber bar for automotive windshield wipers |
| US20120297567A1 (en) * | 2011-01-26 | 2012-11-29 | Hyer Michael L | Windscreen wiper having a hollow wiping head |
| WO2012171862A1 (en) * | 2011-06-15 | 2012-12-20 | Valeo Systèmes d'Essuyage | Method for treating a wiping member |
| CN103350686A (en) * | 2013-07-05 | 2013-10-16 | 王建成 | Novel windscreen wiper |
| JP2014122014A (en) * | 2012-11-21 | 2014-07-03 | Asmo Co Ltd | Wiper device and wiper blade |
| CN104369342A (en) * | 2014-12-01 | 2015-02-25 | 贵州省工程复合材料中心 | Soft-hard coextrusion spoiling wing extruding and molding mould for automobile windscreen wiper |
| EP2883764A1 (en) * | 2013-12-16 | 2015-06-17 | Valeo Systèmes d'Essuyage | Windscreen-wiper blade for a windscreen-wiper system of a vehicle and assembling method thereof |
| CN106738981A (en) * | 2016-12-15 | 2017-05-31 | 宁波市镇海阳光交通器材有限公司 | A kind of processing technology of plated film silica gel adhesive tape for wiper blade |
| CN107521461A (en) * | 2016-06-17 | 2017-12-29 | 科布雷德有限公司 | Windshield wiper blade |
| CN111469811A (en) * | 2020-05-29 | 2020-07-31 | 梁文强 | Windscreen wiper adhesive tape and windscreen wiper applying same |
| CN211280949U (en) * | 2019-07-12 | 2020-08-18 | 厦门富可汽车配件有限公司 | Windshield wiper adhesive tape |
| CN214164936U (en) * | 2021-01-25 | 2021-09-10 | 厦门翼竑工贸有限公司 | Windscreen wiper adhesive tape with cavity chamber |
-
2021
- 2021-01-25 CN CN202110092674.9A patent/CN112917858B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001008948A1 (en) * | 1999-07-30 | 2001-02-08 | Robert Bosch Gmbh | Wiper blade for cleaning vehicle windscreens |
| KR20010073839A (en) * | 2000-01-21 | 2001-08-03 | 임문혁 | Wiper blade |
| JP3100205U (en) * | 2003-09-02 | 2004-05-13 | 松岡 治幸 | Wiper blade |
| CN1666912A (en) * | 2004-02-09 | 2005-09-14 | 罗伯特·博世有限公司 | Water scraper and manufacturing method thereof |
| EP2025707A1 (en) * | 2007-07-24 | 2009-02-18 | Robert Bosch Gmbh | Cable extrudate and method for its manufacture and application |
| CN201784582U (en) * | 2010-04-09 | 2011-04-06 | 孙再庸 | Rubber bar for automotive windshield wipers |
| US20120297567A1 (en) * | 2011-01-26 | 2012-11-29 | Hyer Michael L | Windscreen wiper having a hollow wiping head |
| WO2012171862A1 (en) * | 2011-06-15 | 2012-12-20 | Valeo Systèmes d'Essuyage | Method for treating a wiping member |
| JP2014122014A (en) * | 2012-11-21 | 2014-07-03 | Asmo Co Ltd | Wiper device and wiper blade |
| CN103350686A (en) * | 2013-07-05 | 2013-10-16 | 王建成 | Novel windscreen wiper |
| EP2883764A1 (en) * | 2013-12-16 | 2015-06-17 | Valeo Systèmes d'Essuyage | Windscreen-wiper blade for a windscreen-wiper system of a vehicle and assembling method thereof |
| CN104369342A (en) * | 2014-12-01 | 2015-02-25 | 贵州省工程复合材料中心 | Soft-hard coextrusion spoiling wing extruding and molding mould for automobile windscreen wiper |
| CN107521461A (en) * | 2016-06-17 | 2017-12-29 | 科布雷德有限公司 | Windshield wiper blade |
| CN106738981A (en) * | 2016-12-15 | 2017-05-31 | 宁波市镇海阳光交通器材有限公司 | A kind of processing technology of plated film silica gel adhesive tape for wiper blade |
| CN211280949U (en) * | 2019-07-12 | 2020-08-18 | 厦门富可汽车配件有限公司 | Windshield wiper adhesive tape |
| CN111469811A (en) * | 2020-05-29 | 2020-07-31 | 梁文强 | Windscreen wiper adhesive tape and windscreen wiper applying same |
| CN214164936U (en) * | 2021-01-25 | 2021-09-10 | 厦门翼竑工贸有限公司 | Windscreen wiper adhesive tape with cavity chamber |
Non-Patent Citations (2)
| Title |
|---|
| 孔子明: "《最新工程材料生产技术应用于新潮开发研制及行业标准实用大全2橡胶与塑料卷》", 30 November 2004 * |
| 高志敏: "汽车雨刮片塑料组件的研制", 现代塑料加工应用 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112917858B (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU654626B2 (en) | Method of forming an improved wiper blade | |
| EP2780203B1 (en) | Windscreen wiper device | |
| CN106738981B (en) | A kind of processing technology of plated film silica gel adhesive tape for wiper blade | |
| CN112917858B (en) | Wiper rubber strip with hollow cavity and processing technology thereof | |
| CN100560336C (en) | A kind of manufacture craft of automobile door and window sealing strip | |
| EP1211050A3 (en) | Method for extruding tire rubber material | |
| CN1084267C (en) | Sealing tape and method and apparatus for its production and method of repairs with it | |
| US4904434A (en) | Method of forming an improved wiper blade | |
| EP2435281B1 (en) | Wiper blade for a windshield wiper | |
| CN1730973A (en) | Joined raw-edge V-belt and manufacturing method thereof | |
| CN112485097A (en) | Sample preparation method for factory inspection of elastic adhesive | |
| CN114163758B (en) | Fluororubber, preparation method thereof and application of fluororubber as watchband | |
| EP2862698A1 (en) | Method for manufacturing steering wheel cover | |
| EP1607293A1 (en) | Rubber profile and a method for the manufacturing thereof | |
| CN220076328U (en) | Windscreen wiper rubber strip with hollow cavity | |
| CN104974526A (en) | Material and method for manufacturing waterway controller | |
| CN209851427U (en) | Plastic plate forming device | |
| CN104386027A (en) | Soft hard coextrusion fin for automobile wiper and manufacture method thereof | |
| CN201151175Y (en) | Compression molding die of seal strip of heat radiator for engine cooling system | |
| CN103847116A (en) | Tire molding technology | |
| CN1075437C (en) | Method of forming automotive trim strip from extruded thermoplastic materials | |
| CN113071152A (en) | Method for manufacturing paper-plastic composite bag | |
| CN117048007B (en) | Pneumatic type automatic tape-blank plastering equipment | |
| JP5342808B2 (en) | Wind molding method | |
| CN109466095A (en) | A kind of processing technology of new-energy automobile vacuum formed box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |