CN103878871B - A kind of prefabricated pipeline preformed hole cutter - Google Patents
A kind of prefabricated pipeline preformed hole cutter Download PDFInfo
- Publication number
- CN103878871B CN103878871B CN201410073220.7A CN201410073220A CN103878871B CN 103878871 B CN103878871 B CN 103878871B CN 201410073220 A CN201410073220 A CN 201410073220A CN 103878871 B CN103878871 B CN 103878871B
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- CN
- China
- Prior art keywords
- outer sleeve
- plugging
- preformed hole
- cutting cylinder
- hole cutter
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/162—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes for building blocks or similar block-shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Accessories And Tools For Shearing Machines (AREA)
Abstract
The present invention relates to a kind of prefabricated pipeline preformed hole cutter, including outer sleeve, plugging part is provided with the outer sleeve, cutting cylinder is provided between the outer sleeve and plugging part；It can need the position of perforate that indent is set when producing discharge duct by this cutter, so that the through hole of easy to exhaust pipeline is opened up, the shape of through holes rule opened up.The air admission hole indent of exhaust duct is set to be connected with exhaust duct and conveniently open up air admission hole by adjusting the stroke of cutting cylinder.
Description
Technical field
Patent of the present invention is related to a kind of pipeline mould, more particularly to a kind of prefabricated pipeline preformed hole cutter.
Background technology
Flue, the piping articles for excluding flue gas that kitchen cooking activity produces or toilet foul smell, also referred to as exhausting duct,
Ventilating duct, house exhaust passage, residence chimney neck are house kitchen, the chief component of toilet common exhaust duct system.
Existing discharge duct needs to open up air through hole on the side wall of pipeline, to be connected with each family, realizes cigarette
The discharge of gas or foul smell, discharge duct is thin-wall product, very inconvenient when opening up through hole, is easily damaged discharge duct, enters
And the bulk strength of discharge duct is influenceed, and the shape of the through hole opened up is also irregular, is not easy to the installation of subsequent parts.It is special
It is not that machinery production exhaust gas flue can not reserve air through hole in advance using totally-enclosed mould.
The content of the invention
The problem to be solved in the present invention be for problem above there is provided one kind can reserved through hole position, open up through hole side
Just and the prefabricated pipeline preformed hole cutter for the regular shape that reserved through hole opens up is made.
To solve the above problems, the technical solution adopted in the present invention is：A kind of prefabricated pipeline preformed hole cutter, including
Plugging part is provided with outer sleeve, the outer sleeve, cutting cylinder is provided between the outer sleeve and plugging part.
As a kind of prioritization scheme, the outer sleeve is fixedly connected with plugging part.
A kind of specific prioritization scheme, outer sleeve and the plugging part outer end is provided with contiguous block, the contiguous block difference
It is fixedly connected with outer sleeve and plugging part.
As a kind of prioritization scheme, the outer sleeve and plugging part are structure as a whole.The outer sleeve and plugging part
Between be groove, groove outer end is provided with through hole, and the outer end of cutting cylinder is provided with linking arm and through through hole.The plugging part
On be rotatably connected and have connecting rod, the connecting rod is threadedly coupled with linking arm.
As a kind of prioritization scheme, the outer end of the cutting cylinder, which is connected with linking arm, the plugging part, to be threadedly coupled
There is connecting rod, the connecting rod is rotated with linking arm and is connected.
As a kind of prioritization scheme, the outer end of the outer sleeve is provided with the first plugging plate or the first linking arm, described to cut
The outer end for cutting cylinder is provided with the second plugging plate or the second linking arm.
A kind of specific prioritization scheme, second plugging plate or the second linking arm are threaded with connecting rod, the connection
Bar is rotated with the first plugging plate or the first linking arm and is connected.
A kind of specific prioritization scheme, first plugging plate or the first linking arm are threaded with connecting rod, the connection
Bar is rotated with the second plugging plate or the second linking arm and is connected.
Connecting rod, the company are fixedly connected with a kind of specific prioritization scheme, second plugging plate or the second linking arm
Extension bar is slidably connected with the first plugging plate or the first linking arm.
It is provided with a kind of specific prioritization scheme, the cutting cylinder in chute, the chute and is provided with connecting pole, the company
Post is connect to be fixedly connected with outer sleeve and plugging part respectively.
A kind of specific prioritization scheme, guiding is provided between first plugging plate or the first linking arm and plugging part
Post, the lead passes through the second plugging plate or the second linking arm.
As a kind of prioritization scheme, be provided with cutting cylinder on multiple positioning holes, the outer sleeve be provided with it is multiple
The bolt being engaged with positioning hole.
As a kind of prioritization scheme, the cutting cylinder is threadedly coupled with outer sleeve or plugging part.
The present invention takes above technical scheme, with advantages below：By this cutter can produce discharge duct when,
Needing the position of perforate that indent is set, so that the through hole of easy to exhaust pipeline is opened up, the shape of through holes rule opened up.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 2 is the left view of accompanying drawing 1；
Accompanying drawing 3 is the structural representation of linking arm, connecting rod and plugging part in accompanying drawing 1；
Accompanying drawing 4 is a kind of structural representation of prefabricated pipeline preformed hole cutter in inventive embodiments；
Accompanying drawing 5 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 6 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 7 is the structural representation of cutting cylinder upper hopper chute；
Accompanying drawing 8 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 9 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 10 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 11 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 12 is the structural representation of cutting cylinder upper hopper chute；
Accompanying drawing 13 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 14 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 15 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 16 is a kind of structural representation of prefabricated pipeline preformed hole cutter in the embodiment of the present invention；
Accompanying drawing 17 is the left view of accompanying drawing 16；
Accompanying drawing 18 is the structural representation of linking arm, connecting rod and pedestal in accompanying drawing 16.
In figure：
1- side templates；2- outer sleeves；3- cuts cylinder；4- plugging parts；5- limiting plates；6- retainer rings；7- contiguous blocks；8- connects
Joint chair；9- connecting rods；10- handles；11- linking arms；12- connecting plates；13- screwed holes；14- connecting poles；15- chutes；16- second
Plugging plate；The plugging plates of 17- first；18- leads；19- positioning holes；20- bolts；21- pedestals；22- grooves.
Embodiment
Embodiment 1：As shown in Figures 1 and 2, a kind of prefabricated pipeline preformed hole cutter, including outer sleeve 2, overcoat
Plugging part 4 is provided with cylinder 2, reciprocating cutting cylinder 3, outer sleeve 2 are provided between outer sleeve 2 and plugging part 4
It is fixedly connected with plugging part 4.
The outer end of cutting cylinder 3 is connected with three linking arms 11, and plugging part 4, which is rotatably connected, connecting rod 9, connecting rod 9
It is threadedly coupled through linking arm 11 and with linking arm 11, the outer end of connecting rod 9 is fixedly connected with handle 10.
Between linking arm 11 and cutting cylinder 3 it is provided with connecting plate 12, connecting plate 12 is shaped as circular arc.
It is provided with plugging part 4 on connecting seat 8, connecting seat 8 and is provided with two limiting plates 5, limiting plate 5 and connecting rod 9
It is fixedly connected, two limiting plates 5 can be rotated with connecting rod 9.
Outer sleeve 2 and the outer end of plugging part 4 are provided with three contiguous blocks 7, contiguous block 7 respectively with outer sleeve 2 and closure part
Part 4 is fixedly connected.
Outer sleeve 2 is externally connected to retainer ring 6, and retainer ring 6 is fixedly connected with side template 1.
Plugging part 4 is disk body or plate body.
Cutter is arranged on side template 1, and cutter can also be arranged on other positions, as long as disclosure satisfy that needs i.e.
Can.
This cutter can also be applied on other moulds such as formwork erection.
Embodiment 2：As shown in Figure 3, the outer end of cutting cylinder 3, which is connected with linking arm 11, plugging part 4, is provided with screw thread
Hole 13, the internal thread of screwed hole 13 is connected with connecting rod 9, and connecting rod 9 is connected through linking arm 11 and with the rotation of linking arm 11.
Other structures are same as Example 1.
Embodiment 3：As shown in accompanying drawing 16 and accompanying drawing 17, a kind of prefabricated pipeline preformed hole cutter, outer sleeve 2 and closure part
Part 4 is structure as a whole, outer sleeve 2 and the composition pedestal 21 of plugging part 4, sets fluted 22 on pedestal 21, cutting cylinder 3 is located at recessed
In groove 22.
Cutting cylinder 3 is connected with four linking arms 11, and the bottom of groove 22 is provided with four through holes, and linking arm 11 is from groove 22
Bottom pass, being rotatably connected on pedestal 21 has connecting rod 9, and connecting rod 9 is threadedly coupled with linking arm 11, connecting rod 9 it is outer
End is fixedly connected with handle 10.
Pedestal 21 is fixedly connected with side template 1.
Cutter is arranged on side template 1, and cutter can also be arranged on other positions, as long as disclosure satisfy that needs i.e.
Can.
This cutter can also be applied on other moulds such as formwork erection
Embodiment 4：As shown in Figure 18, cutting cylinder 3 is connected with four linking arms 11, and the bottom of groove 22 is provided with four
Through hole, the bottom of linking arm 11 from groove 22 is passed, and screwed hole 13 is provided with pedestal 21, and the internal thread of screwed hole 13 is connected with
Extension bar 9, connecting rod 9 is connected through linking arm 11 and with the rotation of linking arm 11.
Other structures are same as Example 3.
Embodiment 5：As shown in Figure 4, set in a kind of prefabricated pipeline preformed hole cutter, including outer sleeve 2, outer sleeve 2
Plugging part 4 is equipped with, reciprocating cutting cylinder 3, outer sleeve 2 and closure part are provided between outer sleeve 2 and plugging part 4
Part 4 is fixedly connected.
Outer sleeve 2 is externally connected to retainer ring 6, and retainer ring 6 is fixedly connected with side template 1.
The outer end of outer sleeve 2 is provided with the first plugging plate 17, and the outer end of cutting cylinder 3 is provided with the second plugging plate 16.
Second plugging plate 16 is provided with screwed hole, and screwed hole internal thread is connected with connecting rod 9, and connecting rod 9 passes through the first envelope
Closure plate 17 is simultaneously connected with the rotation of the first plugging plate 17.
The outer end of connecting rod 9 is connected with handle 10.
Be provided with chute 15, chute 15 on cutting cylinder 3 and be provided with connecting pole 14, connecting pole 14 respectively with outer sleeve 2 and
Plugging part 4 is fixedly connected.
As shown in Figure 7, chute 15 along cutting cylinder 3 it is longitudinally disposed.
First plugging plate 17 can be replaced by multiple first linking arms, and the second plugging plate 16 can connect by multiple second
Connect arm replacement.
Cutter is arranged on side template 1, and cutter can also be arranged on other positions, as long as disclosure satisfy that needs i.e.
Can.
This cutter can also be applied on other moulds such as formwork erection.
Embodiment 6：As shown in Figure 5, the first plugging plate 17 is provided with screwed hole, and screwed hole internal thread is connected with connecting rod
9, connecting rod 9 is rotated with the second plugging plate 16 through a plugging plate 30 and is connected.
Other structures are same as Example 5.
Embodiment 7：As shown in Figure 6, connecting rod 9 is fixedly connected with the second plugging plate 16, connecting rod 9 passes through the first envelope
Closure plate 17 is simultaneously slidably connected with the first plugging plate 17.
Other structures are same as Example 5.
Embodiment 8：As shown in Figure 8, set in a kind of prefabricated pipeline preformed hole cutter, including outer sleeve 2, outer sleeve 2
Plugging part 4 is equipped with, reciprocating cutting cylinder 3, outer sleeve 2 and closure part are provided between outer sleeve 2 and plugging part 4
Part 4 is fixedly connected.
Outer sleeve 2 is externally connected to retainer ring 6, and retainer ring 6 is fixedly connected with side template 1.
The outer end of outer sleeve 2 is provided with the first plugging plate 17, and the outer end of cutting cylinder 3 is provided with the second plugging plate 16.
Second plugging plate 16 is provided with screwed hole, and screwed hole internal thread is connected with connecting rod 9, and connecting rod 9 passes through the first envelope
Closure plate 17 is simultaneously connected with the rotation of the first plugging plate 17.
The outer end of connecting rod 9 is connected with handle 10.
Lead 18 is provided between first plugging plate 17 and plugging part 4, lead 18 passes through the second plugging plate 16.
One end of lead 18 is fixedly connected with the first plugging plate 17, and the other end and the plugging part 4 of lead 18 are fixed
Connection.
It is provided with cutting cylinder 3 on two positioning holes 19, outer sleeve 2 and is provided with two positioning being engaged with positioning hole 19
Bolt 20, the stroke of cylinder 3 is cut by positioning hole 19 and the control of bolt 20.
The quantity of positioning hole 19 and bolt 20 can be increased or decreased as needed.
First plugging plate 17 can be replaced by multiple first linking arms, and the second plugging plate 16 can connect by multiple second
Connect arm replacement.
Cutter is arranged on side template 1, and cutter can also be arranged on other positions, as long as disclosure satisfy that needs i.e.
Can.
This cutter can also be applied on other moulds such as formwork erection.
Embodiment 9：As shown in Figure 9, the first plugging plate 17 is provided with screwed hole, and screwed hole internal thread is connected with connecting rod
9, connecting rod 9 is rotated with the second plugging plate 16 through a plugging plate 30 and is connected.
Other structures are same as Example 8.
Embodiment 10：As shown in Figure 10, connecting rod 9 is fixedly connected with the second plugging plate 16, connecting rod 9 passes through first
Plugging plate 17 is simultaneously slidably connected with the first plugging plate 17.
Other structures are same as Example 8.
Embodiment 11：As shown in Figure 11, in a kind of prefabricated pipeline preformed hole cutter, including outer sleeve 2, outer sleeve 2
Plugging part 4 is provided with, reciprocating cutting cylinder 3, outer sleeve 2 and closure are provided between outer sleeve 2 and plugging part 4
Part 4 is fixedly connected.
Outer sleeve 2 is externally connected to retainer ring 6, and retainer ring 6 is fixedly connected with side template 1.
Cutting cylinder 3 is threadedly coupled with outer sleeve 2.
Be provided with chute 15, chute 15 on cutting cylinder 3 and be provided with connecting pole 14, connecting pole 14 respectively with outer sleeve 2 and
Plugging part 4 is fixedly connected.
As shown in Figure 12, chute 15 along cutting cylinder 3 it is circumferentially disposed.
Cutter is arranged on side template 1, and cutter can also be arranged on other positions, as long as disclosure satisfy that needs i.e.
Can.
This cutter can also be applied on other moulds such as formwork erection.
Embodiment 12：As shown in Figure 13, cutting cylinder 3 is not threadedly coupled with outer sleeve, cutting cylinder 3 and the spiral shell of plugging part 4
Line is connected.
Other structures are identical with embodiment 11.
Embodiment 13：As shown in Figure 14, the outer end of outer sleeve 2 is provided with the first plugging plate 17, and the outer end of cutting cylinder 3 is set
It is equipped with the second plugging plate 16, the second plugging plate 16 and is fixedly connected with connecting rod 9, the other end of connecting rod 9 is blocked through first
Plate 17 is connected with handle 10.
Connecting rod 9 rotates with the first plugging plate 17 and is connected and can slide axially.
First plugging plate 17 can be replaced by multiple first linking arms, and the second plugging plate 16 can connect by multiple second
Connect arm replacement.
Other structures are identical with embodiment 11.
Embodiment 14：As shown in Figure 15, the outer end of outer sleeve 2 is provided with the first plugging plate 17, and the outer end of cutting cylinder 3 is set
It is equipped with the second plugging plate 16, the second plugging plate 16 and is fixedly connected with connecting rod 9, the other end of connecting rod 9 is blocked through first
Plate 17.
Connecting rod 9 rotates with the first plugging plate 17 and is connected and can slide axially.
First plugging plate 17 can be replaced by multiple first linking arms, and the second plugging plate 16 can connect by multiple second
Connect arm replacement.
Other structures are identical with embodiment 12.
Claims (20)
1. a kind of prefabricated pipeline preformed hole cutter, it is characterised in that：Including outer sleeve (2), it is provided with the outer sleeve (2)
Plugging part (4), is provided with cutting cylinder (3), the outer sleeve (2) and closure between the outer sleeve (2) and plugging part (4)
Part (4) is fixedly connected, and the outer end of the outer sleeve (2) is provided with the first plugging plate or the first linking arm, the cutting cylinder (3)
Outer end be provided with the second plugging plate or the second linking arm.
2. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 1, it is characterised in that：Second plugging plate or
Two linking arms are threaded with connecting rod (9), and the connecting rod (9) rotates with the first plugging plate or the first linking arm and is connected.
3. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 1, it is characterised in that：First plugging plate or
One linking arm is threaded with connecting rod (9), and the connecting rod (9) rotates with the second plugging plate or the second linking arm and is connected.
4. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 1, it is characterised in that：Second plugging plate or
Connecting rod (9) is fixedly connected with two linking arms, the connecting rod (9) is slidably connected with the first plugging plate or the first linking arm.
5. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 1, it is characterised in that：Set on the cutting cylinder (3)
Be equipped with chute (15), be provided with connecting pole (14) in the chute (15), the connecting pole (14) respectively with outer sleeve (2) and envelope
Stifled part (4) is fixedly connected.
6. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 1, it is characterised in that：First plugging plate or
Lead (18) is provided between one linking arm and plugging part (4), the lead (18) passes through the second plugging plate or second
Linking arm.
7. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 1, it is characterised in that：Set on the cutting cylinder (3)
It is equipped with multiple positioning holes (19), the outer sleeve (2) and is provided with multiple bolts (20) being engaged with positioning hole (19).
8. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 1, it is characterised in that：It is described to cut cylinder (3) and outer
Sleeve (2) or plugging part (4) threaded connection.
9. a kind of prefabricated pipeline preformed hole cutter, it is characterised in that：Including outer sleeve (2), it is provided with the outer sleeve (2)
Plugging part (4), is provided with cutting cylinder (3), the outer sleeve (2) and closure between the outer sleeve (2) and plugging part (4)
Part (4) is fixedly connected, and the outer end of the cutting cylinder (3), which is connected with linking arm (11), the plugging part (4), rotatably to be connected
Connecting rod (9) is connected to, the connecting rod (9) is threadedly coupled with linking arm (11).
10. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 9, it is characterised in that：The outer sleeve (2) and envelope
Stifled part (4) outer end is provided with contiguous block (7), and the contiguous block (7) is fixed with outer sleeve (2) and plugging part (4) respectively to be connected
Connect.
11. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 9, it is characterised in that：The outer sleeve (2) and envelope
Stifled part (4) is structure as a whole.
12. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 9, it is characterised in that：Set on the cutting cylinder (3)
Be equipped with chute (15), be provided with connecting pole (14) in the chute (15), the connecting pole (14) respectively with outer sleeve (2) and envelope
Stifled part (4) is fixedly connected.
13. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 9, it is characterised in that：Set on the cutting cylinder (3)
It is equipped with multiple positioning holes (19), the outer sleeve (2) and is provided with multiple bolts (20) being engaged with positioning hole (19).
14. a kind of prefabricated pipeline preformed hole cutter, it is characterised in that：Including outer sleeve (2), set in the outer sleeve (2)
There is plugging part (4), cutting cylinder (3), the outer sleeve (2) and envelope are provided between the outer sleeve (2) and plugging part (4)
Stifled part (4) is fixedly connected, and the outer end of the cutting cylinder (3) is connected with screw thread on linking arm (11), the plugging part (4) and connected
Connecting rod (9) is connected to, the connecting rod (9) rotates with linking arm (11) and is connected.
15. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 14, it is characterised in that：The outer sleeve (2) and
Plugging part (4) outer end is provided with contiguous block (7), and the contiguous block (7) is fixed with outer sleeve (2) and plugging part (4) respectively
Connection.
16. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 14, it is characterised in that：The outer sleeve (2) and
Plugging part (4) is structure as a whole.
17. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 14, it is characterised in that：On the cutting cylinder (3)
Be provided with chute (15), be provided with connecting pole (14) in the chute (15), the connecting pole (14) respectively with outer sleeve (2) and
Plugging part (4) is fixedly connected.
18. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 14, it is characterised in that：On the cutting cylinder (3)
It is provided with multiple positioning holes (19), the outer sleeve (2) and is provided with multiple bolts being engaged with positioning hole (19)
(20)。
19. a kind of prefabricated pipeline preformed hole cutter, it is characterised in that：Including outer sleeve (2), set in the outer sleeve (2)
There is plugging part (4), cutting cylinder (3), the outer sleeve (2) and envelope are provided between the outer sleeve (2) and plugging part (4)
Stifled part (4) is fixedly connected, and the cutting cylinder (3) is threadedly coupled with outer sleeve (2) or plugging part (4).
20. a kind of prefabricated pipeline preformed hole cutter as claimed in claim 19, it is characterised in that：On the cutting cylinder (3)
Be provided with chute (15), be provided with connecting pole (14) in the chute (15), the connecting pole (14) respectively with outer sleeve (2) and
Plugging part (4) is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073220.7A CN103878871B (en) | 2014-02-25 | 2014-02-25 | A kind of prefabricated pipeline preformed hole cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073220.7A CN103878871B (en) | 2014-02-25 | 2014-02-25 | A kind of prefabricated pipeline preformed hole cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103878871A CN103878871A (en) | 2014-06-25 |
| CN103878871B true CN103878871B (en) | 2017-08-25 |
Family
ID=50948145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410073220.7A Active CN103878871B (en) | 2014-02-25 | 2014-02-25 | A kind of prefabricated pipeline preformed hole cutter |
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| CN (1) | CN103878871B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825571A (en) * | 2017-09-23 | 2018-03-23 | 山东中科恒基建材有限公司 | Prefabricated discharge duct preformed hole cutter |
| CN107839058B (en) * | 2017-09-23 | 2024-04-09 | 山东中科恒基建材有限公司 | Forming die of prefabricated exhaust duct |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3839212A1 (en) * | 1988-11-19 | 1990-05-23 | Asea Brown Boveri | METHOD FOR PRODUCING A CYLINDER-SHAPED BODY AND DEVICE FOR IMPLEMENTING THE METHOD |
| JP4270830B2 (en) * | 2002-09-24 | 2009-06-03 | Ｔｄｋ株式会社 | Optical recording medium manufacturing method and optical recording medium manufacturing apparatus |
| CN101224624A (en) * | 2007-01-19 | 2008-07-23 | 深圳富泰宏精密工业有限公司 | Stock cutter in mould and moulds using the same |
| CN201467966U (en) * | 2009-07-10 | 2010-05-19 | 谢金仰 | Slurry food shaping die |
| CN203697223U (en) * | 2014-02-25 | 2014-07-09 | 韩文强 | Preformed hole cutter for precast pipeline |
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2014
- 2014-02-25 CN CN201410073220.7A patent/CN103878871B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103878871A (en) | 2014-06-25 |
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