CN209304984U - Adjustable elastic tubing pipe expander - Google Patents
Adjustable elastic tubing pipe expander Download PDFInfo
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- CN209304984U CN209304984U CN201822012407.2U CN201822012407U CN209304984U CN 209304984 U CN209304984 U CN 209304984U CN 201822012407 U CN201822012407 U CN 201822012407U CN 209304984 U CN209304984 U CN 209304984U
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- expander
- adjustment seat
- adjusting rod
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Abstract
A kind of adjustable elastic tubing pipe expander, includes expander cylinder, and expander cylinder is made of the identical expansion wall of at least two structures；It further include extension component, extension component includes center framework, adjustment seat, adjusting nut, regulating arm and guidance set, and guidance set includes guiding adjustment barrel and guiding adjusting rod.The utility model includes center framework, adjustment seat, adjusting nut, regulating arm and the guidance set with the coaxial arrangement of expander cylinder, one cylindrical shape is formed by expansion wall, center framework, regulating arm and guidance set are set therebetween, adjustment seat and adjusting nut are set on center framework.The utility model is fixedly mounted on mother tube expander center line by fixed plate, and mother tube carries out expander when passing through the utility model.Expanding wall can move under the action of adjustment seat along guiding adjusting rod, so that expander cylinder diameter change can carry out expander operation to various sizes of elastic tubing within the scope of certain size.
Description
Technical field
The utility model relates to tubing pipe expanding device technical fields, more specifically, in particular to a kind of adjustable elastic
Tubing pipe expander.
Background technique
In present life, with the development of construction industry, the demand of elastic tubing is higher and higher, as environmental requirement is more next
Stringenter, elastic tubing will replace steel pipe to become main piping material.
Present elastic tubing uses the production method of assembly line, according to the difference of produced caliber, using different expansions
Tube head carries out expander and needs before carrying out expander operation to various sizes of elastic tubing on same assembly line according to production tube
Diameter dimension require expander head is replaced, the replacement operation of expander head is cumbersome.In addition, an assembly line needs outfit more
A expander head, can reduce the utilization rate of expander head in this way.
In conclusion how to carry out structure optimization to expander head to solve expander head existing for traditional expander assembly line more
Cumbersome problem is changed, those skilled in the art's urgent problem to be solved is become.
Utility model content
The purpose of this utility model is to provide the tubing pipe expanding devices that one kind can simplify expander head replacement operation.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of adjustable elastic tubing pipe expander includes expander cylinder, wherein the expander cylinder is by least two structures
Identical expansion wall composition；
It further include having the extension component being set in the expander cylinder for being controlled the movement for expanding wall, the expansion
Filling component includes center framework, adjustment seat, adjusting nut, regulating arm and the guiding group with expander cylinder coaxial arrangement
Part, the guidance set include the guiding adjusting rod for being oriented to adjustment barrel and being slidably matched with the guiding adjustment barrel；
One end of the center framework is head end, and the head end of the center framework is provided with guide cone, the center framework
The other end be tail end, the tail end of the center framework is provided with fixed plate；
The guiding adjusting rod is fixedly installed on the center framework, and the guiding adjustment barrel is fixedly installed on the expansion
It fills on the medial surface of wall；
The adjustment seat is sheathed on the center framework and is slidably matched with the center framework；
The adjusting nut is sheathed on the center framework and is threadedly engaged with the center framework, the adjustment seat
One end offsets towards the guiding adjusting rod, the other end of the adjustment seat with the adjusting nut；
One end of the regulating arm and the medial surface for expanding wall or the guiding adjustment barrel are hinged, the regulating arm
The other end and the adjustment seat are hinged, and the regulating arm and the guidance set are formed with a corner bracket formula and adjust unit, institute
It states expansion wall and adjusts unit with to its corresponding described corner bracket formula at least provided with one group.
Preferably, erecting bed is provided on Yu Suoshu center framework, the erecting bed is to set with the center framework center
The annular erecting bed set；The guiding adjusting rod is fixedly installed on the downside of the erecting bed.
Preferably, the adjusting rod is plank frame, is provided with trunnion on Yu Suoshu adjusting rod, the trunnion is with two
One group, two trunnions in the length direction of the adjusting rod, trunnion described in same group are symmetrically divided into adjusting rod
Two sides, the trunnion are provided with two groups and are arranged respectively close to the both ends of the adjusting rod；In the guiding adjustment barrel close to institute
It states the one end for expanding wall and is located at the first hinge for offering on the lateral surface for being oriented to adjustment barrel and hingedly cooperating with the trunnion
Connect hole；It is cut with scissors in offering second hingedly cooperated with the trunnion in the adjustment seat and on the lateral surface of the adjustment seat
Connect hole.
Preferably, first hinge hole is slotted hole, and second hinge hole is circular hole.
Preferably, reset spring is provided between Yu Suoshu erecting bed and the adjustment seat, the reset spring is sheathed on
On the center framework.
Preferably, the central axis upright of the rod axis of the guiding adjusting rod and the center framework.
Preferably, there are four the expansion wall settings；The corner bracket formula adjusts unit setting, and there are four and with the expansions
Wall is arranged in a one-to-one correspondence.
Preferably, the end of the guiding adjustment barrel is set in the centroid of the medial surface for expanding wall.
Preferably, the erecting bed be set on the center framework and with the integrated structure of the center framework.
Preferably, the outer rim for expanding wall is chamfering outer rim.
Through said structure design, in adjustable elastic tubing pipe expander provided by the utility model comprising have
With center framework, adjustment seat, adjusting nut, regulating arm and the guidance set of the coaxial arrangement of expander cylinder, one is formed by expansion wall
Center framework, regulating arm and guidance set is arranged in a cylindrical shape therebetween, be arranged on center framework adjustment seat and
Adjusting nut.When work, the utility model is fixedly mounted on mother tube expander center line by fixed plate, and mother tube passes through this
Expander is carried out when utility model.Expanding wall can move under the action of adjustment seat along guiding adjusting rod, so that expander cylinder
Diameter change can carry out expander operation to various sizes of elastic tubing within the scope of certain size.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the partial structural diagram of extension component in an embodiment of the present invention；
Fig. 2 is the main view of extension component in an embodiment of the present invention；
Fig. 3 is the top view of extension component in an embodiment of the present invention；
Fig. 4 is the three-view diagram of adjustable elastic tubing pipe expander in an embodiment of the present invention；
Fig. 5 is the three-view diagram that adjustable elastic tubing pipe expander converts after angle in Fig. 4；
Fig. 6 is the main view of adjustable elastic tubing pipe expander in an embodiment of the present invention；
Fig. 7 is the top view of adjustable elastic tubing pipe expander in an embodiment of the present invention；
Description of symbols:
Expand wall 1, center framework 2, adjustment seat 3, adjusting nut 4, regulating arm 5, guiding adjustment barrel 6, guiding adjusting rod 7,
Guide cone 8, fixed plate 9, erecting bed 10, reset spring 11.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.Each example passes through the utility model
The mode of explanation provide rather than limit the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case where with novel range or spirit, it can modify in the present invention and modification.For example, being illustrated or described as one
The feature of a part of a embodiment can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of the following claims and their equivalents.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
Fig. 1 is please referred to Fig. 7, wherein Fig. 1 is the partial structurtes signal of extension component in an embodiment of the present invention
Figure；Fig. 2 is the main view of extension component in an embodiment of the present invention；Fig. 3 is expansion group in an embodiment of the present invention
The top view of part；Fig. 4 is the three-view diagram of adjustable elastic tubing pipe expander in an embodiment of the present invention；Fig. 5 is in Fig. 4
Adjustable elastic tubing pipe expander converts the three-view diagram after angle；Fig. 6 is adjustable elastic in an embodiment of the present invention
The main view of tubing pipe expander；Fig. 7 is the top view of adjustable elastic tubing pipe expander in an embodiment of the present invention.
PVC base pipe is after extruder squeezes out by adding after base pipe is transmitted heating equipment by level-one dragger by sizing cooling
Hot equipment is heated, and is completely wrapped up under elastomeric state by second level traction machine travel after base pipe is heated and (being expanded by dilatation mold
Socket) biaxial tension to PVC pipe is completed, it is formed under the rapid cooling of cooling equipment after the tubing after stretching.?
In the prior art, the tube wall of expander cylinder is an integral structure, in this way when carrying out different size caliber expansion operations to mother tube,
It just needs to replace expander cylinder.In order to solve the problems, such as that expander cylinder replacement operation is cumbersome, the utility model provides one kind
Adjustable elastic tubing pipe expander, is mountable on PVC-O pipe production line, for realizing the expander of tubing.
The utility model carries out structure optimization to expander cylinder: firstly, expander cylinder is designed to split type structure, i.e., expanding original
Socket is split at least two cutting units, i.e., the structure of the expansion wall 1 in the utility model, each expansion wall 1 is identical.
In the present invention, which includes expander cylinder, needs to carry out the original of expander
Expects pipe is initially heated in production line, is then passed through on the outside of expander cylinder again, and the diameter of expander cylinder is greater than the diameter of mother tube
(being equal to pipe diameter size after expander), such mother tube realize that caliber is expanded under the action of expander cylinder.
In a specific embodiment of the utility model, expand there are four the settings of wall 1, such expander cylinder diameter becomes larger
When, expanding wall 1 and expands outward, the exterior contour of expander cylinder and round dimensional discrepancy are smaller, meanwhile, four 1 liang of expansion wall
Two is symmetrical, additionally it is possible to improve the utility model internal component stress balance, simultaneously, additionally it is possible to guarantee the utility model structure more
It simplifies.
When carrying out caliber expansion, the outside of medial surface and expander cylinder is in close contact mother tube, in order to avoid expander cylinder
The appearance of scuffing problem is caused to the medial surface of mother tube, the lateral surface for expanding wall 1 is designed as flat and smooth by the utility model
Curved-surface structure, also, by technique for grinding by expand wall 1 outer rim be designed to chamfering outer rim.
It is provided with extension component in the inside of expander cylinder, extension component is set in expander cylinder and for expansion wall 1
Movement is controlled, and extension component can be carried out while be controlled to the multiple expansion walls 1 for constituting expander cylinder, so that whole
Expand wall 1 equidistantly to be moved.
Specifically, extension component includes and the center framework 2 of expander cylinder coaxial arrangement, adjustment seat 3, adjusting nut 4, tune
Joint arm 5 and guidance set.
Center framework 2 is preferably fabricated using metal material, can guarantee the structure with higher of center framework 2 in this way
Intensity.The component of center framework 2 generally one similar axis, center framework 2 and expander cylinder are coaxially disposed, and center framework 2 is arranged
In expander cylinder, head end is fixedly installed a guide cone 8 in such a way that screw thread is installed, and the cross section of tail end is using rule
Non-circular structure design then.
In the present invention, the tail end of center framework 2, cross section can for ellipse, triangle, square or
It is the polygonized structure of other rules, can be limited by shape a fixed plate 9 is fixedly mounted in this way.
One end of center framework 2 is head end, and the head end of center framework 2 is provided with guide cone 8, the other end of center framework 2
For tail end, the tail end of center framework 2 is provided with fixed plate 9, and guide cone 8 is hard material integrated molding, can use metal
Material is fabricated, and can also be fabricated using ceramic material.The lateral surface of guide cone 8 is smooth conical camber, guiding
The mode that cone 8 is connected through a screw thread is installed to the head end of center framework 2.Fixed plate 9 is that the utility model is installed on assembly line
Installation foundation, therefore, in order to improve the structural strength of fixed plate 9, fixed plate 9 is integrally formed using metal material, simultaneously also
Its structural strength can be further increased by the way of increasing its integral thickness and setting reinforcing rib.
The middle part of center framework 2 is provided with coaxially be arranged a, circular ring type structure or truncated cone-shaped structure
Erecting bed 10, erecting bed 10 and center framework 2 can use separate structure, and erecting bed 10 is threadedly coupled with center framework 2, install
Platform 10 can also be molded directly on center framework 2, and erecting bed 10 is an integral structure with center framework 2.In the utility model
In, design is preferentially adopted a split structure between erecting bed 10 and center framework 2, is convenient for the manufacturing of part in this way, simultaneously
If damage of components is also convenient for the replacement of part.
Part (part) on center framework 2 and between erecting bed 10 and its tail end is provided with external screw thread, in
Heart skeleton 2 is provided with externally threaded partial threads and is connected with adjusting nut 4, by rotating adjusting nut 4 can make its
Axis direction on center framework 2 along center framework 2 is moved.Adjusting nut 4 is an integral structure, and can use metal
Material is fabricated, and can also be fabricated using rigid plastics.
Adjustment seat 3 is provided between erecting bed 10 and adjusting nut 4, adjustment seat 3 is sleeved on center framework 2 and in
Heart skeleton 2 is slidably matched.Specifically, the part on center framework 2 for being slidably matched with adjusting set is using smooth smooth surface structure
Design, cross section can be round, ellipse or regular polygon.Center framework 2 is used for the part of adjusting set sliding, horizontal
Section can be avoided adjusting set by shape limit and rotation fortune occur when being designed using ellipse or regular polygon structure
It is dynamic, the stability that the utility model integrally uses can be improved.
In a state of use, the lower end of adjusting nut 4 and the upper end of adjustment seat 3 offset, by adjusting nut 4 to adjustment seat
3 apply active force so that 3 stress balance hold mode of adjustment seat is stablized.Therefore, the utility model will be under adjusting nut 4
End part is designed as cylindrical structure, and structure design can increase its contact area between adjustment seat 3, and it is single to reach reduction
The purpose that plane accumulates stress, improves contact stabilization between component.
Guidance set and regulating arm 5 cooperate, for realizing the control of 3 pairs of expansion walls 1 of adjustment seat.Specifically, guidance set
It include the guiding adjusting rod 7 for being oriented to adjustment barrel 6 and being slidably matched with guiding adjustment barrel 6, guiding adjustment barrel 6 offers one
Cylinder sliding slot, be oriented to adjusting rod 7 cross section and cylinder sliding slot cross-sectional structure coincide, guiding adjusting rod 7 be inserted into
Cylinder sliding slot is simultaneously slidably matched with guiding adjustment barrel 6.
Guiding adjusting rod 7 is fixedly installed on center framework 2, is specifically mounted on the downside of erecting bed 10.In order to mention
The bonding strength that high guiding adjusting rod 7 is arranged on center framework 2, the end of guiding adjusting rod 7 are fixedly connected with center framework 2
Afterwards, upper side is connect with erecting bed 10.
Guiding adjustment barrel 6 is fabricated using metal material, is an integral structure design.Adjustment barrel 6 is oriented to using weldering
The mode connect in succession is fixedly installed on the medial surface for expanding wall 1.
Regulating arm 5 is main stressed member in the utility model, and setting is being expanded between wall 1 and adjustment seat 3, simultaneously
By the active force for expanding wall 1 and adjustment seat 3.In order to improve the structural strength of regulating arm 5, the probability of its stress deformation is reduced,
In the present invention, regulating arm 5 is integrally formed using metal material, and main body is plank frame, in the two sides of regulating arm 5
Upper and close to its outer rim position is provided with the reinforcement edge of a wing vertical with its main structure, reinforces the edge of a wing and 5 main body knot of regulating arm
Structure is integrally formed, and can effectively increase the structural strength of regulating arm 5 in this way.
Specifically, one end of regulating arm 5 and expand wall 1 medial surface or guiding adjustment barrel 6 it is hinged, regulating arm 5 it is another
End and adjustment seat 3 are hinged, and regulating arm 5 and guidance set are formed with a corner bracket formula and adjust unit, expand wall 1 at least provided with
One group adjusts unit with to its corresponding corner bracket formula.
Adjusting rod is mounted on using articulated manner to be expanded between wall 1 and adjustment seat 3, and specifically, adjusting rod is plank frame,
In being provided with trunnion on adjusting rod, two ears of the trunnion with two for one group, in the length direction, same group of trunnion of adjusting rod
Axial symmetry is divided into the two sides of adjusting rod, and trunnion is provided with two groups and is arranged respectively close to the both ends of adjusting rod.It is adjusted in guiding
Cylinder 6 close to the one end for expanding walls 1 and be located at offered on the lateral surface of guiding adjustment barrel 6 hingedly cooperate with trunnion it is first hinged
Hole；In in adjustment seat 3 and be located at adjustment seat 3 lateral surface on offer the second hinge hole hingedly cooperated with trunnion.Specifically,
First hinge hole is slotted hole, and the second hinge hole is circular hole.First hinge hole is designed as slotted hole, structure design can make
Obtaining adjusting rod sliding initial stage, there is a mobile surplus to enable to adjusting nut 4 during expanding 1 retracted for clearance of wall
Starting spinning movement go on smoothly.
Specifically, reset spring 11 is provided between erecting bed 10 and adjustment seat 3, reset spring 11 is sheathed on center bone
On frame 2.
It limits herein: the rod axis of guiding adjusting rod 7 and the central axis upright of center framework 2.
Certainly, guiding adjusting rod 7 can also have certain angle between center framework 2, that is, be oriented to the one of adjusting rod 7
End is connect with center framework 2, and the other end for being oriented to adjusting rod 7 is tilted towards the head end direction of center framework 2, and tilt angle is not
Preferably more than 10 °.
Specifically, expand there are four the settings of wall 1；Corner bracket formula adjusts unit setting, and there are four and with expand wall 1 to correspond
Setting.
In the present embodiment, the end for being oriented to adjustment barrel 6 is set in the centroid for expanding the medial surface of wall 1, in this way can be with
Improve the balance for expanding 1 stress of wall.
Through said structure design, in adjustable elastic tubing pipe expander provided by the utility model comprising have
Center framework 2, adjustment seat 3, adjusting nut 4, regulating arm 5 and the guidance set being coaxially disposed with expander cylinder, by 1 group of expansion wall
At a cylindrical shape, center framework 2, regulating arm 5 and guidance set are set therebetween, is arranged on center framework 2 and adjusts
Save seat 3 and adjusting nut 4.When work, the utility model is fixedly mounted on mother tube expander center line by fixed plate 9,
Mother tube carries out expander when passing through the utility model.Expanding wall 1 can move under the action of adjustment seat 3 along guiding adjusting rod 7,
So that expander cylinder diameter change can carry out expander operation to various sizes of elastic tubing within the scope of certain size.
The utility model operating procedure is as follows: Step 1: four expansion walls 1 are connected by regulating arm 5 and guidance set
It connects on center framework 2, and encloses for the expander cylinder of a cylindrical shape；Step 2: by reset spring 11, adjustment seat 3, adjusting spiral shell
Mother 4 is mounted on center framework 2；Step 3: rotating adjusting nut 4, pushes adjustment seat 3 in center framework 2 by adjusting nut 4
Then upper movement installs guide cone 8 in the head end of center framework 2 to be adjusted to the diameter of expander cylinder；Step 4: right
Mother tube carries out expander operation.
Compared with prior art, the utility model has the following structure feature: structure is simple, adjustment is flexible, assembles and tears open
Unload that simple and quick, work efficiency is high, can satisfy various expander job requirements.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for the skill of this field
For art personnel, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of adjustable elastic tubing pipe expander includes expander cylinder, which is characterized in that
The expander cylinder is made of the identical expansion wall (1) of at least two structures；
It further include having the extension component being set in the expander cylinder for being controlled the movement for expanding wall, the expansion group
Part include with the expander cylinder coaxial arrangement center framework (2), adjustment seat (3), adjusting nut (4), regulating arm (5) and
Guidance set, the guidance set include the guiding tune for being oriented to adjustment barrel (6) and being slidably matched with the guiding adjustment barrel
Pole (7)；
One end of the center framework is head end, and the head end of the center framework is provided with guide cone (8), the center framework
The other end is tail end, and the tail end of the center framework is provided with fixed plate (9)；
The guiding adjusting rod is fixedly installed on the center framework, and the guiding adjustment barrel is fixedly installed on the expansion wall
Medial surface on；
The adjustment seat is sheathed on the center framework and is slidably matched with the center framework；
The adjusting nut is sheathed on the center framework and is threadedly engaged with the center framework, one end of the adjustment seat
Towards the guiding adjusting rod, the other end of the adjustment seat offsets with the adjusting nut；
One end of the regulating arm and it is described expand wall medial surface or the guiding adjustment barrel it is hinged, the regulating arm it is another
End is hinged with the adjustment seat, and the regulating arm and the guidance set are formed with a corner bracket formula and adjust unit, the expansion
It fills wall and adjusts unit with to its corresponding described corner bracket formula at least provided with one group.
2. adjustable elastic tubing pipe expander according to claim 1, which is characterized in that
In being provided on the center framework erecting bed (10), the erecting bed is the annular being arranged with the center framework center
Erecting bed；
The guiding adjusting rod is fixedly installed on the downside of the erecting bed.
3. adjustable elastic tubing pipe expander according to claim 1, which is characterized in that
The adjusting rod is plank frame, is provided with trunnion on Yu Suoshu adjusting rod, the trunnion with two for one group, along described
Two trunnions in the length direction of adjusting rod, trunnion described in same group are symmetrically divided into the two sides of adjusting rod, the ear
Axis is provided with two groups and is arranged respectively close to the both ends of the adjusting rod；
It is offered close to described one end for expanding wall and on the lateral surface of the guiding adjustment barrel in the guiding adjustment barrel
The first hinge hole hingedly cooperated with the trunnion；
It is cut with scissors in offering second hingedly cooperated with the trunnion in the adjustment seat and on the lateral surface of the adjustment seat
Connect hole.
4. adjustable elastic tubing pipe expander according to claim 3, which is characterized in that
First hinge hole is slotted hole, and second hinge hole is circular hole.
5. adjustable elastic tubing pipe expander according to claim 2, which is characterized in that
Reset spring (11) are provided between the erecting bed and the adjustment seat, the reset spring is sheathed on the center
On skeleton.
6. adjustable elastic tubing pipe expander according to claim 1, which is characterized in that
The rod axis of the guiding adjusting rod and the central axis upright of the center framework.
7. adjustable elastic tubing pipe expander according to claim 1, which is characterized in that
There are four the expansion wall settings；
The corner bracket formula is adjusted there are four unit settings and is arranged in a one-to-one correspondence with the expansion wall.
8. adjustable elastic tubing pipe expander according to claim 1, which is characterized in that
The end of the guiding adjustment barrel is set in the centroid of the medial surface for expanding wall.
9. adjustable elastic tubing pipe expander according to claim 2, which is characterized in that
The erecting bed be set on the center framework and with the integrated structure of the center framework.
10. adjustable elastic tubing pipe expander according to any one of claims 1 to 9, which is characterized in that
The outer rim for expanding wall is chamfering outer rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012407.2U CN209304984U (en) | 2018-12-03 | 2018-12-03 | Adjustable elastic tubing pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012407.2U CN209304984U (en) | 2018-12-03 | 2018-12-03 | Adjustable elastic tubing pipe expander |
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| Publication Number | Publication Date |
|---|---|
| CN209304984U true CN209304984U (en) | 2019-08-27 |
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ID=67675429
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822012407.2U Active CN209304984U (en) | 2018-12-03 | 2018-12-03 | Adjustable elastic tubing pipe expander |
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| CN (1) | CN209304984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501222A (en) * | 2018-12-03 | 2019-03-22 | 山东钢铁股份有限公司 | Adjustable elastic tubing pipe expander |
-
2018
- 2018-12-03 CN CN201822012407.2U patent/CN209304984U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501222A (en) * | 2018-12-03 | 2019-03-22 | 山东钢铁股份有限公司 | Adjustable elastic tubing pipe expander |
| CN109501222B (en) * | 2018-12-03 | 2024-03-01 | 山东钢铁股份有限公司 | Adjustable elastic pipe expander |
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