CN107477123A - A kind of acute angle anti-collision protection device - Google Patents
A kind of acute angle anti-collision protection device Download PDFInfo
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- CN107477123A CN107477123A CN201710597584.9A CN201710597584A CN107477123A CN 107477123 A CN107477123 A CN 107477123A CN 201710597584 A CN201710597584 A CN 201710597584A CN 107477123 A CN107477123 A CN 107477123A
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- parts
- acute angle
- protection device
- collision
- collision protection
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/37—Thiols
- C08K5/378—Thiols containing heterocyclic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/548—Silicon-containing compounds containing sulfur
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/3605—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by their material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
- F16F2226/042—Gluing
Abstract
The invention discloses a kind of acute angle anti-collision protection device; belong to protector technical field; including anti-collision body, and tack coat, anti-collision body is intersecting and connected first side; first side and first side; the intersection of first side, first side and first side is spherical, the first side of evagination; adhesive linkage is respectively and fixedly provided with the inside of first side and first side, anti-collision body is provided with slot.Have the beneficial effect that：The anti-collision body of acute angle anti-collision protection device of the present invention can pass through slot and acute angle grafting; each property at parts of edges and corners is bonded in by adhesive linkage; original corner angle on lathe or operation element table top can be blocked; the safety of operating personnel can be protected using the elastic deformation of anti-collision body; the service life of protector is permanent, and the protector can Reusability.
Description
Technical field
The invention belongs to protector technical field, more particularly to a kind of acute angle anti-collision protection device.
Background technology
At present, with the fast development of machining manufacturing industry, China is machined on manufacturing line using increasingly
More automatic conveying equipments, while automated production is met, and can reduces the harm to operating personnel in process.But
It is while operation element table top, switch board and feed tank on production line etc. is mostly using the length after metal sheet, plastic shaping
Cube is used as protective cover, but the profile of these cuboid protective covers has multiple corner angle, especially these operation element table tops,
Again mostly in the scope of activities of operating personnel, operating personnel are in operation, it is easy to are knocked by these corner angle for switch board, feed tank
Touch, wound or scratch limbs, and cause the injury of operating personnel.In the today of " Safety first, precaution crucial ", producing and processing
Manufacturing, personal safety increasingly attract attention, and technical staff is when completing various processing, production work, it is necessary to fully examines
Consider security, the personal safety of operating personnel is gived top priority.It is, thus, sought for a kind of protection device, buffer operation
Personnel's limbs reduce corner angle scratch, the degree for limbs of wounding, so as to improve the job security in workshop to the impulsive force of corner angle.
The content of the invention
It is an object of the invention to provide a kind of anti-collision body using abrasive rubber, lathe or operation element table top can be blocked
Upper original corner angle, the safety of operating personnel is protected, the corner angle that can be firmly pasted on for a long time on lathe or operation element platform
Position, bonded part will not leave cohesive vestige when coming off, and processing and forming technology is simple, goodlooking, and production cost is low, general
The strong acute angle anti-collision protection device of property.
The scheme taken to achieve the above object of the present invention is：A kind of acute angle anti-collision protection device, including anti-collision body, and
Tack coat, anti-collision body are intersecting and connected first side, first side and first side, first side, first side and the
The intersection of one side is spherical, the first side of evagination, and adhesive linkage, anticollision are respectively and fixedly provided with the inside of first side and first side
Body is provided with slot.The anti-collision body of acute angle anti-collision protection device of the present invention can by slot and acute angle grafting, by first side,
Adhesive linkage on the inside of one side and first side is bonded in each property at parts of edges and corners, can block original on lathe or operation element table top
Corner angle, the safety of operating personnel can be protected using the elastic deformation of anti-collision body, while also protect lathe or operation element table top,
The service life of protector is permanent, and the protector can Reusability；Paste simultaneously it is quick, it is easy to operate, when can be long
Between be firmly pasted on property at parts of edges and corners on lathe or operation element platform, it is difficult for drop-off, and when coming off bonded part will not leave it is viscous
Tie vestige；The protector processing and forming technology is simple, and production cost is low, and outward appearance is generous good-looking, versatile.
Preferably, the angle of first side, first side and first side intersection two-by-two is 80-90 °.First side,
Junction is in non-obtuse two-by-two for first side and first side, and above-mentioned angular range may be such that the acute angle protector can meet not
Design with the demand of acute angle, and the angle causes protector to be easier to shaping manufacture, reduces the generation of waste material, while can drop
Low energy consumption, save production cost.
Preferably, first side, first side and first side use abrasive rubber, the composition of abrasive rubber and its again
Measuring part is：Nitrile rubber 280-330 parts, γ-mercaptopropyl trimethoxysilane 27-36 parts, diethylene glycol monobutyl ether adipate ester 22-
35 parts, tetramethylthiuram disulfide 40-55 parts, carbon black 20-40 parts, 4,4'- dimorpholinyl disulfide 10-18 parts, 4- nitros it is adjacent
Rutgers 2-3 parts, 4- methoxyl group -3,5- dimethyl -2- hydroxymethylpyridine 1.8-2.2 parts, antiaging agent 0.2-0.5
Part.The abrasive rubber causes first side, and first side and first side have stronger wearability and Marresistance, can subtracted
Abrasion and scratching during slow use, extend the protector uses duration, while has certain flexibility, is operating
When person is hit, can effective buffering percussive force, the safety of operator can be protected, the abrasive rubber also has stronger anti-aging in addition
Property, oil resistivity and biocidal property, the application field of the protector can be expanded.
Preferably, the width of first side, first side and first side is 30-50mm, thickness 2-3mm.First side
The width and thickness of face, first side and first side are reasonable, and narrow area coverage is too small, it is impossible to effectively cover acute angle, protect
It is ineffective, wide then waste of materials, improve production cost；It is excessively thin that buffering effect can be caused bad, it is impossible to reach desired and prevent
Effect is protected, it is blocked up, increase production cost.
Preferably, the height of hemisphere jut is 10-20mm.The rational design of the height of the hemisphere jut causes operator to hit
Power when can effectively disperse to hit when hitting, by the elastic deformation at the spherical place, is transformed into face stress by a stress, prevents rib
Angle is collided with to operating personnel, while the projection can also increase the aesthetic feeling of the protector.
Preferably, adhesive linkage is double-sided adhesive, and bonding layer surface is designed with film.The design of the protector causes
With convenient, paste quick, directly film is torn during use, you can protective case is directly bonded in operation element platform or lathe
Property at parts of edges and corners, the adhesive linkage double-sided adhesive strong using persistence is bonded, can not only firmly be pasted on lathe or behaviour for a long time
Make the property at parts of edges and corners on workbench, it is difficult for drop-off, and also bonded part will not leave cohesive vestige when coming off.
Compared with prior art, beneficial effects of the present invention are：The anti-collision body of acute angle anti-collision protection device of the present invention can lead to
Slot and acute angle grafting are crossed, each property at parts of edges and corners is bonded in by adhesive linkage, can be blocked original on lathe or operation element table top
Corner angle, the safety of operating personnel can be protected using the elastic deformation of anti-collision body, the service life of protector is permanent, and this is anti-
Protection unit can Reusability；The protector using when directly film is torn stickup, paste quick, easy to operate, energy
Enough property at parts of edges and corners being firmly pasted on for a long time on lathe or operation element platform, it is difficult for drop-off, and bonded part will not when coming off
Leave cohesive vestige；The protector uses the rubber system with wear resistance, Marresistance, oil resistivity and biocidal property to obtain, and adds
Work moulding process is simple, and production cost is low, and outward appearance is generous good-looking, versatile.
Present invention employs above-mentioned technical proposal to provide a kind of acute angle anti-collision protection device, compensate for prior art not
Foot, it is reasonable in design, it is easy to operate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of acute angle anti-collision protection device of the present invention；
Fig. 2 is a kind of upward view of acute angle anti-collision protection device of the present invention；
Fig. 3 is a kind of schematic diagram of the tack coat of acute angle anti-collision protection device of the present invention.
Description of reference numerals：1 anti-collision body；2 adhesive linkages；3 films；4 is spherical；5 slots；11 first sides, 12 second sides；
13 the 3rd sides.
Embodiment
It is described in further detail with reference to embodiments with accompanying drawing：
Embodiment 1：
As Figure 1-3, a kind of acute angle anti-collision protection device, including anti-collision body 1, and tack coat 2, anti-collision body 1 are intersecting and phase
First side 11 even, first side 12 and first side 13, first side 11, first side 12 and first side 13 intersect
Locate as spherical the 4 of evagination, first side 11, first side 12 and the inner side of first side 13 are respectively and fixedly provided with adhesive linkage 2, anti-collision body 1
Provided with slot 5.The anti-collision body of the protection device can pass through first side 11, first side 12 and by slot 5 and acute angle grafting
The adhesive linkage 2 of the inner side of one side 13 is bonded in each property at parts of edges and corners, can block original corner angle on lathe or operation element table top, energy
The safety of operating personnel is protected using the elastic deformation of anti-collision body 1, while also protects lathe or operation element table top, protection dress
The service life put is permanent, and the protector can Reusability；Paste simultaneously fast, it is easy to operate, can for a long time firmly
The property at parts of edges and corners being pasted on lathe or operation element platform, it is difficult for drop-off, and bonded part will not leave cohesive vestige when coming off；
The protector processing and forming technology is simple, and production cost is low, and outward appearance is generous good-looking, versatile.
The angle of first side 11, first side 12 and first side 13 intersection two-by-two is 85 °.First side 11, the
Junction is in non-obtuse two-by-two for one side 12 and first side 13, and above-mentioned angular range may be such that the acute angle protector can meet
The demand of different acute angles, and the design of the angle causes protector to be easier to shaping manufacture, reduces the generation of waste material, while can
Energy consumption is reduced, saves production cost.
First side 11, first side 12 and first side 13 use abrasive rubber, the composition of abrasive rubber and its again
Measuring part is：300 parts of nitrile rubber, 32 parts of γ-mercaptopropyl trimethoxysilane, 28 parts of diethylene glycol monobutyl ether adipate ester, two sulphur
Change 47 parts of tetra methylthiuram, 30 parts of carbon black, 14 parts of 4,4'- dimorpholinyl disulfides, 4- nitrophthalic acids dimethyl ester 2.5
Part, 2 parts of 4- methoxyl group -3,5- dimethyl -2- hydroxymethylpyridines, 0.35 part of antiaging agent.The abrasive rubber causes first side
11, first side 12 and first side 13 have stronger wearability and Marresistance, can slow down the abrasion during use
And scratching, extend the protector uses duration, while has certain flexibility, when operator is hit, can effectively delay
Impact is rushed, the safety of operator can be protected, the abrasive rubber also has stronger ageing resistance, oil resistivity and antibacterial in addition
Property, the application field of the protector can be expanded.
The preparation process of above-mentioned abrasive rubber is：
High-speed mixer is preheating to 90 DEG C, by nitrile rubber, γ-mercaptopropyl trimethoxysilane, diethylene glycol monobutyl ether oneself two
Acid esters is poured into machine, and 1min is stirred under 350rpm, is added 0.005 part of active peptides, is then stirred under 950rpm
50min, the 2min that uncaps is shut down, it is adjacent then to add tetramethylthiuram disulfide, carbon black, 4,4'- dimorpholinyl disulfides, 4- nitros
Rutgers, 4- methoxyl group -3,5- dimethyl -2- hydroxymethylpyridines, antiaging agent, 15min is stirred under 950rpm,
Discharge into twin-roll plastics processing mill, add in two roller mills and be kneaded, 170 DEG C of mill preliminary roller, 160 DEG C of back roller, plasticated
15min, then pulling-on piece, is finally put into the vulcanizing press that temperature is 150 DEG C, pressure is 0.5MPa and suppresses sheet material by bottom sheet
10min, you can.The amino acid sequence of above-mentioned active peptides is HSHACKLVNCFCCLCRVLHPGKLCCSK, the active peptides with
Coupling agent γ-mercaptopropyl trimethoxysilane collective effect, the interface energy and rheological property of nitrile rubber can be improved, reduce fourth
The viscosity of nitrile rubber, and can be combined with nitrile rubber, its processing characteristics is improved, obtained rubber is obtained preferably wear-resisting
Property, the ageing resistance of abrasive rubber is improved, while can make rubber that there is biocidal property.
The width of first side 11, first side 12 and first side 13 is 40mm, thickness 2.5mm.First side 11,
The width and thickness of first side 12 and first side 13 are reasonable, and narrow area coverage is too small, it is impossible to effectively cover acute angle, protect
It is ineffective, wide then waste of materials, improve production cost；It is excessively thin that buffering effect can be caused bad, it is impossible to reach desired and prevent
Effect is protected, it is blocked up, increase production cost.
Spherical 4 raised height are 15mm.The rational design of the spherical 4 raised height enables operator to have when hitting
Power when effect ground disperses to hit, by the elastic deformation at spherical 4, a stress is transformed into face stress, prevents corner angle to behaviour
Make colliding with for personnel, while the projection can also increase the aesthetic feeling of the protector.
Adhesive linkage 2 is double-sided adhesive, and the surface of adhesive linkage 2 is designed with film 3.The design of the protector causes user
Just, paste quick, directly film 3 is torn during use, you can protective case is directly bonded in the rib of operation element platform or lathe
Angular position, the double-sided adhesive strong using persistence is bonded of adhesive linkage 2, can not only firmly be pasted on lathe or operation for a long time
Property at parts of edges and corners on workbench, it is difficult for drop-off, and also bonded part will not leave cohesive vestige when coming off.
Embodiment 2：
The operation principle of acute angle anti-collision protection device of the present invention is：Anti- collision body 1 is intersecting in acute angle anti-collision protection device of the present invention
And connected first side 11, first side 12 and first side 13, first side 11, first side 11, the He of first side 12
First side 13, first side 11 use abrasive rubber, have stronger wearability and Marresistance, can slow down and use
Abrasion and scratching in journey, while there is certain flexibility, when operator is hit, can effective buffering percussive force, can protect
The intersection of the safety of operator, first side 12 and first side 13 is spherical the 4 of evagination, and projection can effectively disperse to hit
When power, by the elastic deformation at spherical 4, a stress is transformed into face stress, prevents corner angle from being collided with to operating personnel,
One side 11, first side 12 and the inner side of first side 13 are respectively and fixedly provided with adhesive linkage 2, and the surface of adhesive linkage 2 is designed with film 3, made
Used time directly tears film 3, you can protective case is directly bonded in the property at parts of edges and corners of operation element platform or lathe, anti-collision body 1
Provided with slot 5, anti-collision body can be by slot 5 and acute angle grafting, by first side 11, in first side 12 and first side 13
The adhesive linkage 2 of side is bonded in each property at parts of edges and corners, can block original corner angle on lathe or operation element table top, can utilize anti-collision body
1 elastic deformation protects the safety of operating personnel, while also protects lathe or operation element table top.
The prior art of routine techniques dawn known to those skilled in the art in above-described embodiment 1-2, do not make herein in detail
Thin narration.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, the ordinary skill people of this area
Member, without departing from the spirit and scope of the present invention, it can also make a variety of changes and modification.Therefore, it is all equivalent
Technical scheme fall within scope of the invention, scope of patent protection of the invention should be defined by the claims.
SEQUENCE LISTING
<110>Pujiang County frontlighting Science and Technology Ltd.
<120>A kind of acute angle anti-collision protection device
<130> 1
<160> 1
<170> PatentIn version 3.5
<210> 1
<211> 27
<212> PRT
<213>It is artificial synthesized
<400> 1
His Ser His Ala Cys Lys Leu Val Asn Cys Phe Cys Cys Leu Cys Arg
1 5 10 15
Val Leu His Pro Gly Lys Leu Cys Cys Ser Lys
20 25
Claims (6)
1. a kind of acute angle anti-collision protection device, including anti-collision body（1）, and tack coat（2）, it is characterised in that：The anti-collision body（1）
For intersecting and connected first side（11）, first side（12）And first side（13）, the first side（11）, the first side
Face（12）And first side（13）Intersection it is spherical for evagination（4）, the first side（11）, first side（12）With
One side（13）Inner side is respectively and fixedly provided with adhesive linkage（2）, the anti-collision body（1）Provided with slot（5）.
A kind of 2. acute angle anti-collision protection device according to claim 1, it is characterised in that：The first side（11）, the
One side（12）And first side（13）The angle of intersection is 80-90 ° two-by-two.
A kind of 3. acute angle anti-collision protection device according to claim 1, it is characterised in that：The first side（11）, the
One side（12）And first side（13）Abrasive rubber is used, the composition and its parts by weight of the abrasive rubber are：Butyronitrile rubber
Glue 280-330 parts, γ-mercaptopropyl trimethoxysilane 27-36 parts, diethylene glycol monobutyl ether adipate ester 22-35 parts, curing four
Methyl thiuram 40-55 parts, carbon black 20-40 parts, 4,4'- dimorpholinyl disulfide 10-18 parts, 4- nitrophthalic acid dimethyl esters
2-3 parts, 4- methoxyl group -3,5- dimethyl -2- hydroxymethylpyridine 1.8-2.2 parts, antiaging agent 0.2-0.5 parts.
A kind of 4. acute angle anti-collision protection device according to claim 1, it is characterised in that：The first side（11）, the
One side（12）And first side（13）Width be 30-50mm, thickness 2-3mm.
A kind of 5. acute angle anti-collision protection device according to claim 1, it is characterised in that：It is described spherical（4）Raised height
Spend for 10-20mm.
A kind of 6. acute angle anti-collision protection device according to claim 1, it is characterised in that：The adhesive linkage（2）To be two-sided
Binding agent, the adhesive linkage（2）Surface is designed with film（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597584.9A CN107477123A (en) | 2017-07-21 | 2017-07-21 | A kind of acute angle anti-collision protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710597584.9A CN107477123A (en) | 2017-07-21 | 2017-07-21 | A kind of acute angle anti-collision protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477123A true CN107477123A (en) | 2017-12-15 |
Family
ID=60595040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710597584.9A Pending CN107477123A (en) | 2017-07-21 | 2017-07-21 | A kind of acute angle anti-collision protection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107477123A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008023286A1 (en) * | 2008-05-13 | 2009-11-19 | Maertin & Co. Ag | Impact protection strip for protecting infant during collision with furniture against impact injury, has upholstery provided between suction cup and front side of strip, where suction cup is arranged at carrier layer |
| CN201615334U (en) * | 2010-03-31 | 2010-10-27 | 常州星宇车灯股份有限公司 | Novel acute-angle anti-collision protective cover |
| CN202222743U (en) * | 2011-09-20 | 2012-05-23 | 许益嘉 | Table corner bumper |
| CN102731850A (en) * | 2012-06-28 | 2012-10-17 | 芜湖宏达橡塑阀门制造有限公司 | Oil resistance and abrasion resistance rubber |
| CN104194092A (en) * | 2014-09-17 | 2014-12-10 | 江阴海达橡塑股份有限公司 | Abrasion-resistant rubber |
| CN105906870A (en) * | 2016-06-22 | 2016-08-31 | 阮丽丽 | Abrasion-resistant rubber and preparation method thereof |
-
2017
- 2017-07-21 CN CN201710597584.9A patent/CN107477123A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008023286A1 (en) * | 2008-05-13 | 2009-11-19 | Maertin & Co. Ag | Impact protection strip for protecting infant during collision with furniture against impact injury, has upholstery provided between suction cup and front side of strip, where suction cup is arranged at carrier layer |
| CN201615334U (en) * | 2010-03-31 | 2010-10-27 | 常州星宇车灯股份有限公司 | Novel acute-angle anti-collision protective cover |
| CN202222743U (en) * | 2011-09-20 | 2012-05-23 | 许益嘉 | Table corner bumper |
| CN102731850A (en) * | 2012-06-28 | 2012-10-17 | 芜湖宏达橡塑阀门制造有限公司 | Oil resistance and abrasion resistance rubber |
| CN104194092A (en) * | 2014-09-17 | 2014-12-10 | 江阴海达橡塑股份有限公司 | Abrasion-resistant rubber |
| CN105906870A (en) * | 2016-06-22 | 2016-08-31 | 阮丽丽 | Abrasion-resistant rubber and preparation method thereof |
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Application publication date: 20171215 |
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| RJ01 | Rejection of invention patent application after publication |