CN106003774B - A kind of utricule of tyre moulding capsules and preparation method thereof - Google Patents
A kind of utricule of tyre moulding capsules and preparation method thereof Download PDFInfo
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- CN106003774B CN106003774B CN201610317085.5A CN201610317085A CN106003774B CN 106003774 B CN106003774 B CN 106003774B CN 201610317085 A CN201610317085 A CN 201610317085A CN 106003774 B CN106003774 B CN 106003774B
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- utricule
- package
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- rim
- capsule
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- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
-
- 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
- B29D22/00—Producing hollow articles
- B29D22/02—Inflatable articles
-
- 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
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
- B29D2030/0655—Constructional or chemical features of the flexible cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Tyre Moulding (AREA)
Abstract
The present invention relates to tire building fields more particularly to a kind of utricule of tyre moulding capsules and preparation method thereof.A kind of utricule of tyre moulding capsules, the utricule includes the molding outer utricule of integrated vulcanizing, the first anti-package utricule and the second anti-package utricule, first anti-package utricule and the second anti-package utricule are separately connected the both ends of outer utricule and anti-package of turning back, when the utricule sulfidization molding, the outer surface of outer utricule, the first anti-package utricule and the second anti-package utricule is bonded mold, the inner surface of outer utricule, the first anti-package utricule and the second anti-package utricule inflates 2 ~ 10bar, and vulcanization time is 30 ~ 120min, and temperature is 120 ~ 180 DEG C.The flatness on utricule surface of the present invention can lean on the finish of mold clamshell to control guarantee.The thickness uniformity of utricule, in cavity body of mould size and under inflating pressure-stabilized situation, mainly by semi-products film stock thickness influence of fluctuations.
Description
Technical field
The present invention relates to tire building fields more particularly to a kind of utricule of tyre moulding capsules and preparation method thereof.
Background technique
Tire disclosed in Chinese utility model patent (application number: CN201420214567.4, the applying date: 2014.04.30)
Moulding capsules include utricule and fixing seat, and utricule is arranged in fixing seat, and utricule includes outer utricule, the first anti-package utricule and second
Anti-package utricule, the first anti-package utricule and the second anti-package utricule are separately connected the both ends of outer utricule and anti-package of turning back.This tire at
Type capsule utricule uses straight barrel type structure, successively spreads film and adhesion-proof cloth, fixed using water cloth (also referred to as salt item), vulcanization
Infantees moisture evaporation afterwards generates clamping force, is combined together adhesion-proof cloth and sizing material, the stability of this technique way depends on
The winding density of water cloth, angle wind the uniformity of power and winding interval.The difference of winding density and angle, will cause
The difference of capsule sizing material and adhesion-proof cloth binding force direction；And the elastic and uniformity wound will cause capsule in conjunction with adhesion-proof cloth
The difference of power size.In the case where complete manual operation, the above four elements cannot all be guaranteed.The result of artificial volume production
It is the clamping force deficiency for necessarily leading to capsule quality fluctuation, and being generated by water cloth vulcanization, leads to the knot of sizing material and adhesion-proof cloth
It is inadequate to close strength, has resulted in the early damages such as easy broken skin.In addition, utricule finished product is on being installed to tooling, outer utricule and
One anti-package utricule needs are once turned down, and the characteristic of rubber product can be generated in bending to arch upward, and big wind necessarily occurs
Stock problem.
Summary of the invention
In order to solve the above technical problems, it is an object of the present invention to provide a kind of utricule of tyre moulding capsules,
A second object of the present invention is to provide a kind of preparation methods of above-mentioned utricule.Utricule of the invention improves the densification of sizing material
Degree substantially increases the combination strength of sizing material and adhesion-proof cloth.
In order to realize first above-mentioned purpose, present invention employs technical solutions below:
A kind of utricule of tyre moulding capsules, the utricule include the molding outer utricule of integrated vulcanizing, the first anti-package utricule and
Second anti-package utricule, the first anti-package utricule and the second anti-package utricule are separately connected the both ends of outer utricule and anti-package of turning back, the utricule
When sulfidization molding, the outer surface of outer utricule, the first anti-package utricule and the second anti-package utricule is bonded mold, outer utricule, the first anti-package
The inner surface of utricule and the second anti-package utricule inflates 2 ~ 10bar, and vulcanization time is 30 ~ 120min, and temperature is 120 ~ 180 DEG C.
Preferably, the inner surface of the outer utricule, the first anti-package utricule and the second anti-package utricule inflates 4 ~ 8bar, sulphur
The change time is 40 ~ 60min, and temperature is 140 ~ 160 DEG C.
Preferably, the end of the first anti-package utricule is provided with the first rim of the mouth, the first rim of the mouth and the first anti-package capsule
Body is vertical setting, and the end of the second anti-package utricule is provided with the second rim of the mouth, and the second rim of the mouth is also perpendicular with the first anti-package utricule
Setting.
Preferably, the tip inside protrusion in first rim of the mouth is provided with the first ebonite item, the end in the second rim of the mouth
Inside protrusion is provided with the second ebonite item.
Preferably, the outer annular surface of the second anti-package utricule is oblique annular surface.As further preferably, the external capsule
The end that body connects with the second anti-package utricule is set as oblique ring-type.
Preferably, the utricule is made of outer glue-line, reinforcement casing play and inner glue layer, set in the outer surface of outer utricule
It is equipped with adhesion-proof cloth, adhesion-proof cloth both ends anti-package to the first anti-package utricule and the second anti-package utricule.As further preferably, the outer utricule
Area's inner surface of turning back of first anti-package utricule is provided with reinforcement glue-line.
In order to realize second above-mentioned purpose, present invention employs technical solutions below:
Prepare a kind of vulcanization process of utricule described in any one above-mentioned technical solution.
A kind of method of the preparation utricule, this method include the following steps:
1) it is successively spread on mold and reinforces framework material and film, and reserve the width in rim of the mouth；
2) hard glue core is put in rim of the mouth position, brushes rubber cement, extrude rim of the mouth shape；
3) material posted is turned down, then pushes down rim of the mouth sizing, sticks adhesion-proof cloth on utricule surface；
4) outer surface of outer utricule, the first anti-package utricule and the second anti-package utricule is bonded mold, outer utricule, the first anti-package
The inner surface of utricule and the second anti-package utricule inflates 2 ~ 10bar；
5) mold is put into vulcanizing tank to vulcanize, vulcanization time is 30 ~ 120min, and temperature is 120 ~ 180 DEG C；
6) mold vulcanized is dismantled, takes out utricule.
Due to the adoption of the above technical solution, the flatness on utricule surface can lean on the finish of mold clamshell to the present invention
Control guarantees.The thickness uniformity of utricule, in cavity body of mould size and under inflating pressure-stabilized situation, mainly by semi-products glue
Piece thickness fluctuation influences.In addition, sizing material and adhesion-proof cloth are combined closely under the action of interior external pressure, it is broken that the early stage such as peeling will not be generated
Damage.Simultaneously.The problem of tail shape is consistent with the working condition of design, is not in big hip.Further, due to interior external pressure
In the presence of the connector of surface anti sticking cloth can not have to sewing and use simple overlapping mode, very smooth.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utricule of tyre moulding capsules of the present invention.
Fig. 2 is the structural schematic diagram of tyre moulding capsules device of the present invention.
Fig. 3 is the structural schematic diagram of molding die of the present invention.
Fig. 4 is the structural schematic diagram of sulfurizing mould of the present invention.
Fig. 5 is the equal thick section wave pattern for the capsule that K2S tests capsule utricule and normal use.
Fig. 6 is normal capsule service life Tracing Experiment figure.
Fig. 7 is K2S capsule series service life Tracing Experiment figure.
Fig. 8 is normal capsule service life Tracing Experiment figure.
Fig. 9 is K2S capsule series service life Tracing Experiment figure.
Specific embodiment
1 utricule of embodiment
A kind of utricule of tyre moulding capsules as shown in Figure 1, the utricule include the molding outer utricule 1 of integrated vulcanizing,
One anti-package utricule 2 and the second anti-package utricule 3, the first anti-package utricule 2 and the second anti-package utricule 3 are separately connected the both ends of outer utricule 1
And anti-package of turning back.The utricule is made of outer glue-line 11, reinforcement casing play 12 and inner glue layer 13, in the outer surface of outer utricule 1
It is provided with adhesion-proof cloth 14,14 both ends anti-package of adhesion-proof cloth to the first anti-package utricule 2 and the second anti-package utricule 3, outer utricule 1 and first is anti-
Area's inner surface of turning back of cystozooid 2, which is provided with, reinforces glue-line 15.The outer annular surface of second anti-package utricule 3 is oblique annular surface, external capsule
The end that body 1 connects with the second anti-package utricule 3 is set as oblique ring-type.The end of the first anti-package utricule 2 is provided with first
Rim of the mouth 4, the first rim of the mouth 4 are vertical setting with the first anti-package utricule 2, and the end of the second anti-package utricule 3 is provided with the second rim of the mouth 5,
Second rim of the mouth 5 is also vertical setting with the first anti-package utricule 2.The tip inside protrusion in the first rim of the mouth 4 is provided with the first ebonite item
6, the tip inside protrusion in the second rim of the mouth 5 is provided with the second ebonite item 7.
2 molding die of embodiment
Molding die as shown in Figure 3 includes the first capsule cylinder 31, the second capsule cylinder 32, pressure ring 33 and rear cover 34.First capsule cylinder
31 and second are connected with connector sleeve 35 among capsule cylinder 32, and connector sleeve 35 is arranged on connector sleeve 35 for connecting rotary shaft
There is fastening screw 36.The left end of first capsule cylinder 31 is provided with the first rim of the mouth bulge loop 37, and right end is provided with connection bulge loop 38, the first capsule
It is connected with each other between cylinder 31 and the second capsule cylinder 32 by connection bulge loop 38,32 right end of the second capsule cylinder is provided with the second rim of the mouth bulge loop
39, the pressure ring 33 is fixedly installed in the annular groove of the second rim of the mouth bulge loop 39 formation, the outer ring of pressure ring 33 and the second rim of the mouth
The inner ring of bulge loop 39 is isometrical, and the rear cover 34 is fixedly connected with pressure ring 33, and rear cover 34 is in direction 39 lower end of the second rim of the mouth bulge loop
Side be provided with the second formation recess 40.The second son is formed between the second rim of the mouth bulge loop 39, pressure ring 33 and rear cover 34
Mouth mouth mold 41.
3 sulfurizing mould of embodiment
Sulfurizing mould as shown in Figure 4 includes the first capsule cylinder 31, third capsule cylinder 42, external capsule cylinder 43, bottom cover 44 and upper cover
45.The first capsule cylinder 31 is identical as the first capsule cylinder 31 of embodiment 1, and the outer ring of the first capsule cylinder 31 is first surface 46, the
The centre of one capsule cylinder 31 is connected with connector sleeve 35, and connector sleeve 35 is provided with tight for connecting rotary shaft on connector sleeve 35
Gu screw 36.The first rim of the mouth bulge loop 37 in 31 left side of the first capsule cylinder is connected with the right side of third capsule cylinder 42, third capsule cylinder 42
Outer ring is second surface 47, and the right-hand end of third capsule cylinder 42 is provided with the first formation recess 48, third capsule cylinder 42 and the first rim of the mouth
The first rim of the mouth mouth mold 49 is formed between bulge loop 37.The left-hand end of third capsule cylinder 42 is provided with third and forms recess 54, the bottom
Lid 44 is fixedly connected with third capsule cylinder 42, and the outer ring of bottom cover 44 is provided with third surface 50, the right end face of bottom cover 44 with it is described
Third capsule cylinder 42 between form the vulcanization mouth mold 51 in the second rim of the mouth 5.The setting of external capsule cylinder 43 in outer ring, external capsule cylinder 43 it is interior
Circle is the 4th surface 52.First surface 46, second surface 47, third surface 50 and the 4th surface 52 constitutes the mould of utricule
Has cavity, the external capsule cylinder 43 matches the left-hand end of closed mould cavity with bottom cover 44, and the upper cover 45 is provided with
The bulge loop matched with the connection bulge loop 38 of the first capsule cylinder 31, the right-hand end of 45 closed mould cavity of upper cover.The third capsule
Cylinder 42 has been arranged radially filling channel 53, and filling channel 53 is connected to mould cavity.
4 utricule molding sulfuration process of embodiment
1. molding die is carried out assembled；
2. successively spreading framework material and double-layer film on the first capsule cylinder 31, the second capsule cylinder 32, and reserve rim of the mouth
Width；
3. putting hard glue core in rim of the mouth position, rubber cement is brushed, respectively in the first rim of the mouth mouth mold 49 and the second rim of the mouth mouth mold
41 extrude the shape in the first rim of the mouth 4 and the second rim of the mouth 5；
4. removing rear cover 34, upper cover 45 is covered, the material posted is subjected to fold and forms the first anti-package utricule 2 and outer utricule
1, the first anti-package utricule 2 is attached to first surface 46, and outer utricule 1 is turned back in 45 position of upper cover, rides over second surface on the left of outer utricule 1
On, it then turns back to form the second anti-package utricule 3 again, the second rim of the mouth 5 of 3 end of the second anti-package utricule is buckled in third capsule cylinder 42
End；Finally adhesion-proof cloth 14 is sticked on utricule surface；
5. it is fixed to cover bottom cover 44 and external capsule cylinder 43, past by filling channel, outward utricule 1,2 and of the first anti-package utricule
The inner surface of second anti-package utricule 3 is inflated, air pressure 6bar；
6. sulfurizing mould is put into vulcanizing tank to vulcanize, vulcanization time 50min, temperature is 150 DEG C
7. the mold vulcanized is dismantled, capsule is taken out, week age is placed under reasonable environment and produce makes
With.
5 capsule apparatus of embodiment
A kind of tyre moulding capsules device as shown in Figure 2, the device include utricule and fixing seat, and fixing seat includes cylinder
21, support plate 22 and external pressure plate 23, cylinder 21 and external pressure plate 23 are respectively fixedly disposed at the two sides of support plate 22, and the first rim of the mouth 4 is fixed
It is arranged between cylinder 21 and support plate 22, the second rim of the mouth 5 is fixed between support plate 22 and external pressure plate 23, is arranged on support plate 22
There is radial stomata 24, stomata 24 is connected to utricule inner cavity.Two end faces of support plate 22 are provided with the first fixing port 27 and second
Fixing port 28 is provided with the first fixing groove 25 between 22 end face of 21 end face of cylinder and support plate, and the first rim of the mouth 4 is fixed at first
In fixing groove 25, the first ebonite item 6 is embedded in the first fixing port 27, and support plate 22 and end face external pressure plate have second between 23 end face
Fixing groove 26, the second rim of the mouth 5 are fixed in the second fixing groove 26, and the second ebonite item 7 is embedded in the second fixing port 28.
Test example
14 cun of capsules each 1 for taking the test capsule K2S of 14 cun of preparations of the embodiment of the present invention 4 and normally producing and using, edge
Capsule circumferencial direction uniformly cuts 3 sections of samples, is labeled as 1#, 2#, 3#.Sample, every 20mm, successively takes since capsule head end
Ten measurement points are labeled as 1-10, use the thickness of each mark point of vernier caliper measurement.
Following table is the recording photograph and measurement data of print:
The thick section of capsule designs of capsule K2S is tested with a thickness of 3.8-4.0mm, there is one piece of reinforcement film in tail portion, with a thickness of
0.7-0.8mm.Because having contraction after the demoulding of capsule heat, the equal thick section thickness of practical print is in 3.0mm, the corresponding thickness one in tail portion
Point.
The thick section of the design of normal production capsule is with a thickness of 5.5mm, head and tail portion because the design of capsule bucket has step, film
Extension has bubble presence, and local thickness is caused to become larger or become smaller.Practical thick section thickness should be 4.5mm, head or
Local location meeting thickness in tail portion is exceeded or insufficient.
Coordinate map analysis such as Fig. 5: K2S is carried out for above data and tests capsule in equal thick section fluctuation very little (maximum fluctuation
Value 0.16mm, 5.0%);The capsule of normal use is larger (maximum fluctuation value 0.75mm, 16.7%) in equal thick section fluctuation.
The thickness fluctuation of rubber capsule is big, and when with isobaric inflated condition, the position of different-thickness will appear height.Instead
Because of capsule surface out-of-flatness when packet, the problems such as keeping the power of anti-package uneven, influence uniformity.And K2S capsule is one relatively equal
One product, the active section especially in turn-up process, this section of thickness fluctuation is smaller, and the difference of power is with regard to smaller when anti-package, fetus
Quality is higher.
K2S capsule series are not in early damage problem it can be seen from the above test result as shown in Fig. 6 ~ 9, no
Have the case where peeling, scaling-off, suture destruction etc. may influence Forming Quality appearance.And K2S capsule series are using the longevity
Life facilitates performance highly beneficial, and from the point of view of the operations for forming situation of moderate strength, service life improves 550% ~ 650%, even if
Under the conditions of the operations for forming of one load high intensity of producing at full capacity, still it can guarantee molding 20000 times or more.
With the estimation of actual experiment effect, test service life reaches flat 350% ~ 600% of raw water.Save because of glue
Down time caused by capsule the reason of changing can be converted as improving production efficiency, and former every 70 composing type machine plan is made to reduce 1 group.Such as
It can be generalized to full factory's molding machine, 130 estimations, can save equipment cost 5,300,000, labor hour, capsule cost every year in an amount
About more than 180 ten thousand, add up to 7,000,000/year of escapable cost altogether.
Claims (5)
1. a kind of utricule production method of tyre moulding capsules, which includes the molding outer utricule (1) of integrated vulcanizing, first anti-
Cystozooid (2) and the second anti-package utricule (3), the first anti-package utricule (2) and the second anti-package utricule (3) are separately connected outer utricule (1)
Both ends and anti-package of turning back, it is characterised in that: when the utricule sulfidization molding, outer utricule (1), the first anti-package utricule (2) and second
The outer surface of anti-package utricule (3) is bonded mold, outer utricule (1), the first anti-package utricule (2) and the second anti-package utricule (3) interior table
2 ~ 10bar is inflated in face, and vulcanization time is 30 ~ 120min, and temperature is 120 ~ 180 DEG C；The end of first anti-package utricule (2) is provided with
First rim of the mouth (4), the first rim of the mouth (4) are vertical setting with the first anti-package utricule (2), the end setting of the second anti-package utricule (3)
Have the second rim of the mouth (5), the second rim of the mouth (5) are also vertical setting with the first anti-package utricule (2)；Utricule is by outer glue-line (11), reinforcement
Casing play (12) and inner glue layer (13) are constituted, and are provided with adhesion-proof cloth (14) in the outer surface of outer utricule (1), adhesion-proof cloth (14) both ends
Anti-package is to the first anti-package utricule (2) and the second anti-package utricule (3)；Table in the area of turning back of outer utricule (1) and the first anti-package utricule (2)
Face, which is provided with, reinforces glue-line (15)；
The mold of the utricule includes molding die and sulfurizing mould；The molding die include capsule cylinder, pressure ring (33) and
Rear cover (34), the centre of capsule cylinder are connected with rotary shaft, and the left end of capsule cylinder is provided with the first rim of the mouth bulge loop (37), the right side of capsule cylinder
End is provided with the second rim of the mouth bulge loop (39), and the pressure ring (33) is fixed at the annular groove of the second rim of the mouth bulge loop (39) formation
Interior, the outer ring of pressure ring (33) and the inner ring of the second rim of the mouth bulge loop (39) are isometrical, the rear cover (34) and pressure ring (33) fixed company
It connects, rear cover (34) is being provided with the second formation recess (40) towards the side of second rim of the mouth bulge loop (39) lower end；Described second
The second rim of the mouth mouth mold (41) is formed between rim of the mouth bulge loop (39), pressure ring (33) and rear cover (34)；The sulfurizing mould includes the
One capsule cylinder (31), third capsule cylinder (42), external capsule cylinder (43), bottom cover (44) and upper cover (45)；The outer ring of first capsule cylinder (31) is
First surface (46), the centre of the first capsule cylinder (31) are connected with rotary shaft, and the outer ring of third capsule cylinder (42) is second surface
(47), the bottom cover (44) is fixedly connected with third capsule cylinder (42), and the outer ring of bottom cover (44) is provided with third surface (50), outside
Capsule cylinder (43) setting is set in outer ring, the inner ring of external capsule cylinder (43) is the 4th surface (52)；The first surface (46), second
Surface (47), third surface (50) and the 4th surface (52) constitute the mould cavity of utricule, the external capsule cylinder (43) and bottom
Lid (44) matches the left-hand end of closed mould cavity, the right-hand end of upper cover (45) closed mould cavity；The third capsule cylinder
(42) be arranged radially filling channel (53), filling channel (53) is connected to mould cavity；
The preparation method of the utricule includes the following steps:
1) molding die is carried out assembled；
2) framework material and double-layer film are successively spread on the first capsule cylinder (31), the second capsule cylinder (32), and reserves rim of the mouth
Width；
3) hard glue core is put in rim of the mouth position, brushes rubber cement, respectively in the first rim of the mouth mouth mold (49) and the second rim of the mouth mouth mold
(41) shape of the first rim of the mouth (4) and the second rim of the mouth (5) is extruded；
4) rear cover (34) are removed, upper cover (45) are covered, the material posted is subjected to fold and forms the first anti-package utricule (2) and external capsule
Body (1), the first anti-package utricule (2) are attached to first surface (46), and outer utricule (1) is turned back in upper cover (45) position, and outer utricule (1) is left
Side is taken on a second surface, then turns back to form the second anti-package utricule (3) again, second son of second anti-package utricule (3) end
Mouth (5) is buckled in the end of third capsule cylinder (42)；Finally adhesion-proof cloth (14) are sticked on utricule surface；
5) it is fixed that bottom cover (44) and external capsule cylinder (43) are covered, outward utricule (1), first anti-package utricule past by filling channel
(2) and the inflation of the inner surface of the second anti-package utricule (3), air pressure are 2 ~ 10bar；
6) sulfurizing mould is put into vulcanizing tank to vulcanize, vulcanization time is 30 ~ 120min, and temperature is 120 ~ 180 DEG C；
7) mold vulcanized is dismantled, takes out capsule, week age is placed under reasonable environment and is produced and used.
2. a kind of utricule production method of tyre moulding capsules according to claim 1, it is characterised in that: outer utricule (1),
The inner surface of first anti-package utricule (2) and the second anti-package utricule (3) inflates 4 ~ 8bar, and vulcanization time is 40 ~ 60min, and temperature is
140~160℃。
3. a kind of utricule production method of tyre moulding capsules according to claim 1, it is characterised in that: the first rim of the mouth
(4) tip inside protrusion is provided with the first ebonite item (6), and the tip inside protrusion of the second rim of the mouth (5) is provided with the second ebonite
Item (7).
4. a kind of utricule production method of tyre moulding capsules according to claim 1, it is characterised in that: the second anti-package capsule
The outer annular surface of body (3) is oblique annular surface.
5. a kind of utricule production method of tyre moulding capsules according to claim 4, it is characterised in that: outer utricule (1)
The end to connect with the second anti-package utricule (3) is set as oblique ring-type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610317085.5A CN106003774B (en) | 2016-05-13 | 2016-05-13 | A kind of utricule of tyre moulding capsules and preparation method thereof |
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| CN201610317085.5A CN106003774B (en) | 2016-05-13 | 2016-05-13 | A kind of utricule of tyre moulding capsules and preparation method thereof |
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| FR3064527A1 (en) * | 2017-03-30 | 2018-10-05 | Compagnie Generale Des Etablissements Michelin | COOKING MEMBRANE FOR PNEUMATIC |
| CN109676984A (en) * | 2018-12-21 | 2019-04-26 | 永一橡胶有限公司 | A kind of tire building reverse-wrapped capsule and preparation method thereof |
| CN110962381B (en) * | 2019-12-25 | 2022-03-01 | 永一橡胶有限公司 | Tire turn-up capsule and preparation method thereof |
| CN113442483B (en) * | 2021-06-15 | 2022-11-22 | 赛轮(沈阳)轮胎有限公司 | Process method for improving break point crack of all-steel three-drum turn-up capsule |
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