CN107310049A - A kind of diamond chain saw and forming method - Google Patents
A kind of diamond chain saw and forming method Download PDFInfo
- Publication number
- CN107310049A CN107310049A CN201710552551.2A CN201710552551A CN107310049A CN 107310049 A CN107310049 A CN 107310049A CN 201710552551 A CN201710552551 A CN 201710552551A CN 107310049 A CN107310049 A CN 107310049A
- Authority
- CN
- China
- Prior art keywords
- chain
- chain link
- diamond
- link
- saw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws
- B28D1/082—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws consisting of chain saws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
Abstract
The present invention discloses a kind of diamond chain saw and forming method, including some chain links, and each section of chain saw is the chain link of integral type, and chain link is connected with chain link by the protruding parts at two ends with recessed position, and diamond segment is welded on the middle part of chain link.The present invention uses chain link in wire cutting technology or MIM technological forming chain links, the present invention to be integral structure, without outer chain sheet and inner chain sheet, and it is big that chain saw of the present invention has the advantages that tensile strength increases, chain saw is difficult beat, cut coverage.
Description
Technical field
The present invention discloses a kind of diamond chain saw and forming method, is divided by International Patent Classification (IPC) (IPC) and belongs to Buddha's warrior attendant
Stone cutting tool technical field.
Background technology
The existing big plate of granite rough block, cutting is processed using diamond rope saw (wall scroll or a plurality of combination), in cutting
When, diamond rope saw is rotated by two rotating wheels or four rotating wheels, realizes horizontal or vertical cutting.Rotating wheel is arranged on
In frame, whole frame is then perpendicular cuts to moving down, if whole frame is moved horizontally, for horizontal resection.But due to Buddha's warrior attendant
Stone rope saw cut is less efficient, and the diamond working layers of rope saw string ball only have 1.5 millimeters, therefore cost is higher, influence
Its use scope.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of diamond chain saw, with cutting efficiency height, uses scope
Extensively, low cost and other advantages.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of diamond chain saw, including some chain links, each section of chain saw are the chain link of integral type, and chain link passes through with chain link
The protruding parts at two ends is connected with recessed position, and diamond segment is welded on the middle part of chain link.
Further, the arrangement of diamond segment is continuously arranged on each chain link of chain saw or is intervally arranged in correspondence
On chain link.
Further, the protruding parts of chain link and chain link is fixedly linked with recessed position by bearing pin, bearing pin both sides and chain link
It is smooth.
Further, bearing pin pin-and-hole corresponding with chain link is fixed with the method for welding or bearing pin two ends are plastically deformed and the company of fixation
Connect.
Further, chain link protruding parts both sides are confined planes, and the chain link is the first chain link, and another chain link being connected is the
Two chain links, the recessed position of the second chain link has two lateral plates, and two lateral plate front end faces include arc surface and plane, the second chain link it is flat
The confined planes of face and the first chain link form the position limiting structure of right-angle surface each other.
Further, the gross thickness of chain saw is 3mm to 7mm.
Further, chain saw coordinates and hung on the rotating wheel of more than two quantity, and the contact site of rotating wheel and chain is embedding
In the rubber strip of rotating wheel outer rim open slot.
The present invention also provides a kind of forming method of diamond chain saw.
A kind of forming method of diamond chain saw, by steel plate by wire cutting technology, is made chain link, by 50 mesh diamond tools
Head bottom is welded to by high-frequency induction welder, using silver soldering piece in the middle part of chain link, then, will be connected per pitch chain section, and will be by chain link
Nose is fitted into another chain link female end, is loaded on connection bearing pin argon arc welding technique or bearing pin two ends plastic deformation is fixed, become
For whole piece diamond chain saw.
A kind of forming method of diamond chain saw, by alloy powder by powder metallurgical technique MIM, is formed integrally formula chain
Section, single chain link is put into graphite grinding tool, diamond segment is directly hot-pressed onto on chain link, after the demoulding, by some chains
Section assembly connection is to load chain link corresponding aperture with bearing pin, then applies pressure to bearing pin, allows the two ends of bearing pin to be plastically deformed, fill up
Chamfer site on the outside of link aperture, forms whole piece diamond chain saw.
Chain link is integral structure in the present invention, without outer chain sheet and inner chain sheet, is had the advantages that：
1st, the middle part of chain piece of the present invention is designed for solid construction, and this middle part is the position welded with diamond segment, chain
Tensile strength increase, chain be difficult beat, it is big with insert contacts face in the middle part of chain piece, it is big, non-slip with rotating wheel frictional force.
2nd, chain saw manufacturing cost of the present invention is low, is welded on the cutter head on chain saw, and its working lining thickness can reach 6 millimeters of left sides
The right side, reduces cutting production cost.
3rd, chain saw of the present invention is not operationally, flexible because the rigidity of chain is stronger than rope saw, therefore cutting efficiency is high.
Brief description of the drawings
Fig. 1 is chain link embodiment stereogram of the present invention.
Fig. 2 is Fig. 1 side views.
Fig. 3 is Fig. 2 top views.
Fig. 4 is another embodiment schematic diagram of chain link of the present invention.
Fig. 5 is Fig. 4 top views.
Fig. 6 is chain schematic diagram of the present invention.
Fig. 7 is schematic diagram before bearing pin riveted of the present invention.
Fig. 8 is schematic diagram after bearing pin riveted.
Fig. 9 is chain position limiting structure schematic diagram of the present invention.
Figure 10 is rotating wheel of the present invention and chain contact position schematic diagram.
Figure 11 is the horizontal stone material cutting schematic diagram of four-wheel horizontal equipment；
Figure 12 is the horizontal stone material cutting schematic diagram of two wheel horizontal equipments；
Figure 13 is the horizontal stone material cutting schematic diagram of two wheel vertical equipments；
Figure 14 is the horizontal stone material cutting schematic diagram of five wheel vertical equipments.
Each part of accompanying drawing is detailed：
1 is the middle part of chain link；
2 be the female end of chain link；
3 be the nose of chain link；
4 be chain link connecting hole；
5 be diamond segment；
6 be rotating wheel；
7 be diamond chain saw；
8 be rough stone block；
9 be sliding stand；
10 be bearing pin；
11 be bearing pin two ends groove；
12 be the chamfering of pin-and-hole both sides；
13 be rubber strip.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment：Fig. 1 is referred to Figure 14, a kind of diamond chain saw, including some chain links 100, each section of chain saw is one
The chain link 100 of body formula, chain link is connected with chain link by the protruding parts at two ends with recessed position, protruding parts and recessed position
The referred to as nose 3 or female end 2 of chain link, diamond segment 5 is welded on the middle part 1 of chain link.The arrangement of diamond segment 5 is continuous row
Cloth is on each chain link of chain saw or is intervally arranged in respective link.The protruding parts of chain link and chain link is set with recessed position
There is chain link connecting hole 4 to be fixedly linked so that bearing pin 10 is worn, the both sides of bearing pin 10 and chain link outer surface are smooth.Bearing pin 10 and chain piece pair
The pin-and-hole answered is fixed with the method for welding or bearing pin two ends are plastically deformed and are fixedly connected.Chain link protruding parts (nose 3) both sides
For confined planes, the chain link is the first chain link, and another chain link being connected is the second chain link, and the recessed position of the second chain link has two
Lateral plate, two lateral plate front end faces include arc surface and plane, and the plane of the second chain link and the confined planes formation of the first chain link are straight each other
The position limiting structure of edged surface.The gross thickness of chain saw can be controlled in 3mm to 7mm.Such as Figure 11 to Figure 14, chain saw, which coordinates, hangs over more than two
On the rotating wheel 6 of quantity, the contact site of rotating wheel and chain is the rubber strip 13 for being embedded in rotating wheel outer rim open slot.
A kind of forming method of diamond chain saw, by steel plate by wire cutting technology, is made chain link, by 50 mesh diamond tools
Head bottom is welded to by high-frequency induction welder, using silver soldering piece in the middle part of chain link, then, will be connected per pitch chain section, and will be by chain link
Nose is fitted into another chain link female end, is loaded on connection bearing pin argon arc welding technique or bearing pin two ends plastic deformation is fixed, become
For whole piece diamond chain saw.
Chain link of the present invention can also be produced using metal powder injection molded MIM, a kind of forming method of diamond chain saw,
By alloy powder by powder metallurgical technique MIM, formula chain link is formed integrally, single chain link is put into graphite grinding tool, will
Diamond segment is directly hot-pressed onto on chain link, after the demoulding, is to load chain link corresponding aperture with bearing pin by some chain link assembly connections, so
Backward bearing pin applies pressure, allows the two ends of bearing pin to be plastically deformed, and the chamfer site filled up on the outside of link aperture forms whole piece diamond
Chain saw.
Chain link is also referred to as chain piece in the present invention, and wheel driving wheel can be also simply referred to as wheel or sprocket wheel.
A kind of diamond chain saw, section turns into chain saw entirety after being connected with section, the connection of section and section is by two ends
Protruding parts is connected with recessed position, is fixed up by bearing pin 10.Diamond segment 5 is welded on the centre position of each section i.e.
In the middle part of chain link physically, on every chain saw, the arrangement of diamond segment can be continuously arranged on each chain link, can also
It is intervally arranged on each chain link.The bearing pin both sides of the chain link of diamond chain saw and chain piece are smooth, are fixed with the method for welding
Or both sides bearing pin two ends are plastically deformed and fixed.Gross thickness 3mm to 7mm of chain or so.Chain can hang over more than two numbers
On the sprocket wheel of amount.Chain can be hung on the wheel of more than two quantity, and the contact site of chain and wheel is to be embedded in wheel outer rim
Rubber strip.
The present invention devises a kind of diamond chain saw, and its chain does not have outer chain sheet and inner chain sheet, and each section of chain is one
Piece, also referred to as chain link, section turn into chain after being connected with section, the connection of section and section is protruding parts and recess by two ends
Position is connected, and is fixed up by bearing pin.Diamond segment is welded on the centre position of each section, every chain saw, diamond tool
The arrangement of head can be continuously arranged on each chain link, can also be intervally arranged on each chain link.Diamond segment
Working lining thickness is up to 6 millimeters, and diamond chain saw, its bearing pin both sides connected and chain piece are smooth, are consolidated with the method for welding
It is fixed, bearing pin two ends can also be taken to be plastically deformed, being allowed to two end external diameters becomes more bigger, matched with the chamfering on the outside of chain film perforation
Close, can be filled at the bevel edge 12 of pin-and-hole both sides, so that chain piece is fixed up.
Because the unique design of chain piece, the particularly middle part of chain piece are solid design, have the advantage that：1st, chain is caused
Tensile strength is added, it is ensured that in cutting stone material, and the pulling force of chain is sufficiently large and chain is difficult beat；2nd, middle plane with
The base plane contact area of diamond segment is big, and the weld strength of cutter head and chain piece or chain link is big during welding, chain saw cut work
When making, cutter head is difficult for drop-off；3rd, because middle part is solid design, with wheel contacts face, coefficient of friction is big, and chain saw does not need chain
Wheel, and chain saw will not skid when being contacted with the rubber blanket of wheel outer rim, it is ensured that the normal operating conditions of chain；4 due to chain piece
It is solid so as to be possibly realized chain piece is thinning, such as when gross thickness can be changed into 3-5 millimeters, be welded in the knife on its chain piece or chain link
Head just can be made into 3.5-5.5 millimeters thicks, so because joint-cutting is small, can be solved long-term for cutting rare granite thin plate
Since cut that the difficulty of rare granite thin plate, i.e. joint-cutting are big, the problem of waste material of rare stone material wastes serious.
Secondly, chain saw manufacturing cost is low, is welded on the cutter head on chain saw, and its working lining thickness can reach 6 millimeters, drop
Low cutting production cost.
Again, chain saw is not operationally, flexible because the rigidity of chain is stronger than rope saw, therefore cutting efficiency is high.
In order to increase the function of chain piece, when designing chain plate shape, change can also be done some, such as in order to improve chain
Stability, the contact area of enhancing chain piece and chain piece, takes Fig. 4, Fig. 5 design, i.e., by position above and below chain piece and chain piece
The direction of external side parallel, recessed position (female end 2), protruding parts (nose 3) and the cambered surface of middle part 1 are connected, and are so carried
The high intensity of chain piece, adds the contact area of chain piece so that chain saw is difficult beat in cutting again.
In order that diamond chain saw is in cutting, it will not be arched up in the middle part of chain saw, therefore the semicircle at chain piece two ends is set
Meter, can also be changed to quadrant above, be right-angle design below, as shown in Figure 9.Such diamond chain saw cutting stone material again
When, due to two adjacent chain pieces, right angle each other, diamond chain saw in stone material joint-cutting, just will not up arch upward in cutting
, will not beat to turn into circular movement track so that chain saw is more stable.Equipment need not apply too big tensioning to chain saw
Power, reduces the degree of wear of chain saw part.
The similar rope saw of this saw saw, can design and installation wall scroll diamond chain saw machine, can also design a plurality of diamond chain of installation
Saw, for stone material cutting.
Embodiment 1, the 45# steel plates with 2 millimeters of thickness, by wire cutting technology, are made chain piece or chain link shape, see Fig. 1
Or Fig. 4, by the bottom of diamond segment 5 by high-frequency induction welder, using silver soldering piece by the diamond segment containing 50 mesh diamonds, weld
It is connected in the middle part of chain piece on (middle part 1 of chain link).Then, every pitch chain piece or chain link are connected, that is, chain piece nose 3 is filled
Enter in chain piece female end 2, be loaded on connection bearing pin 10, and use argon arc welding technique, bearing pin is fixed, become as whole piece diamond
Chain saw 7, is shown in Fig. 6, chain saw is suspended in the equipment containing two wheels, Figure 12, Figure 13, by tensioning apparatus, by two wheels
, just can be with cutting stone material famine material 8 after tight, rough stone block is located on sliding stand 9.
Embodiment 2, by powder metallurgical technique MIM, a kind of chain plate shape (shown in Fig. 2, Fig. 9) is made, by single chain piece
It is put into customized good graphite grinding tool, diamond segment is directly hot-pressed onto on chain piece, after the demoulding, chain piece is assembled
Come, with bearing pin 10, is fitted into the direct hole 4 of chain piece, see Fig. 7, bearing pin two ends fluted 11, then to bearing pin application pressure, allow pin
The two ends plastic deformation of axle 10, fills up the position of chamfering 12 of chain piece pin-and-hole both sides, just installs diamond chain saw, see Fig. 8.So
Afterwards, diamond chain saw is suspended on four-wheel (Figure 11) or five wheel (Figure 14) equipment, just can be cut.
Described above, only using the embodiment of this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the claims of this creation opinion, and be not limited to those disclosed embodiments.
Claims (9)
1. a kind of diamond chain saw, it is characterised in that：Including some chain links, each section of chain saw is the chain link of integral type, chain link
It is connected with chain link by the protruding parts at two ends with recessed position, diamond segment is welded on the middle part of chain link.
2. a kind of diamond chain saw according to claim 1, it is characterised in that：The arrangement of diamond segment is continuous arrangement
On each chain link of chain saw or it is intervally arranged in respective link.
3. a kind of diamond chain saw according to claim 1, it is characterised in that：The protruding parts of chain link and chain link with it is recessed
Position is fixedly linked by bearing pin, and bearing pin both sides and chain link are smooth.
4. a kind of diamond chain saw according to claim 3, it is characterised in that：Bearing pin pin-and-hole welding corresponding with chain link
Method fix or bearing pin two ends plastic deformation and be fixedly connected.
5. a kind of diamond chain saw according to claim 1, it is characterised in that：Chain link protruding parts both sides are confined planes,
The chain link is the first chain link, and another chain link being connected is the second chain link, and the recessed position of the second chain link has two lateral plates, both sides
Piece front end face includes arc surface and plane, and the confined planes of the plane of the second chain link and the first chain link form the spacing of right-angle surface each other
Structure.
6. a kind of diamond chain saw according to claim 1, it is characterised in that：The gross thickness of chain saw is 3mm to 7mm.
7. a kind of diamond chain saw according to one of claim 1 to 6, it is characterised in that：Chain saw coordinate hang over two with
On the rotating wheel of upper quantity, the contact site of rotating wheel and chain is the rubber strip for being embedded in rotating wheel outer rim open slot.
8. a kind of forming method of diamond chain saw, it is characterised in that comprise the following steps：Steel plate is passed through into wire cutting technology, system
Into chain link, 50 mesh diamond segment bottoms are welded to by high-frequency induction welder, using silver soldering piece in the middle part of chain link, then, will often be saved
Chain link is connected, and is that chain link nose is fitted into another chain link female end, is loaded on connection bearing pin argon arc welding technique or bearing pin
Two ends plastic deformation is fixed, and is become as whole piece diamond chain saw.
9. a kind of forming method of diamond chain saw, it is characterised in that comprise the following steps：Alloy powder is passed through into powder metallurgy
Technique MIM, is formed integrally formula chain link, and single chain link is put into graphite grinding tool, diamond segment is directly hot-pressed onto into chain
On section, after the demoulding, it is to load chain link corresponding aperture with bearing pin by some chain link assembly connections, then applies pressure to bearing pin, allow pin
The two ends plastic deformation of axle, the chamfer site filled up on the outside of link aperture forms whole piece diamond chain saw.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710552551.2A CN107310049A (en) | 2017-07-07 | 2017-07-07 | A kind of diamond chain saw and forming method |
| PCT/CN2018/075764 WO2019007064A1 (en) | 2017-07-07 | 2018-02-08 | Diamond chainsaw and forming method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710552551.2A CN107310049A (en) | 2017-07-07 | 2017-07-07 | A kind of diamond chain saw and forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107310049A true CN107310049A (en) | 2017-11-03 |
Family
ID=60177723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710552551.2A Withdrawn CN107310049A (en) | 2017-07-07 | 2017-07-07 | A kind of diamond chain saw and forming method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107310049A (en) |
| WO (1) | WO2019007064A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019007064A1 (en) * | 2017-07-07 | 2019-01-10 | 厦门致力金刚石科技股份有限公司 | Diamond chainsaw and forming method therefor |
| CN109483742A (en) * | 2018-11-06 | 2019-03-19 | 能诚集团有限公司 | Cut chain group and cutter device |
| CN109537660A (en) * | 2019-01-04 | 2019-03-29 | 重庆长征重工有限责任公司 | Bar shaped deep trouth foundation excavation equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115648353B (en) * | 2022-09-04 | 2024-01-02 | 浙江朝鸿机械有限公司 | Cutting member of saw chain |
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| EP0418915A2 (en) * | 1989-09-22 | 1991-03-27 | Mitsubishi Materials Corporation | Cutting apparatus |
| US5119798A (en) * | 1990-09-04 | 1992-06-09 | Blount, Inc. | Abrasive cutting apparatus including inverted cutting chain with inward facing cutting elements |
| US20120132051A1 (en) * | 2010-11-29 | 2012-05-31 | Diamond Products, Limited | Saw Chain For Aggregate Materials |
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| JPH1058434A (en) * | 1996-08-15 | 1998-03-03 | Mitsubishi Materials Corp | Plate-shaped chain body, cutter chain, and cutting device |
| CN201070805Y (en) * | 2007-07-25 | 2008-06-11 | 中国科学院广州电子技术研究所 | Chain for diamond chain saw |
| DE102011005034A1 (en) * | 2011-03-03 | 2012-09-06 | Robert Bosch Gmbh | Method for producing at least one cutting strand segment of a cutting strand |
| CN202388631U (en) * | 2011-12-12 | 2012-08-22 | 无锡市英政机械工具厂 | Diamond saw chain |
| CN203843937U (en) * | 2014-04-28 | 2014-09-24 | 杭州顺峰链业有限公司 | Special saw chain for cutting tree root |
| CN104690361B (en) * | 2015-03-12 | 2017-03-22 | 金华职业技术学院 | Manufacturing method of diamond saw chain |
| CN206277521U (en) * | 2016-11-24 | 2017-06-27 | 衡阳智华科技有限公司 | A kind of Novel chain of chain arm saw |
| CN107310049A (en) * | 2017-07-07 | 2017-11-03 | 厦门致力金刚石科技股份有限公司 | A kind of diamond chain saw and forming method |
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2017
- 2017-07-07 CN CN201710552551.2A patent/CN107310049A/en not_active Withdrawn
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2018
- 2018-02-08 WO PCT/CN2018/075764 patent/WO2019007064A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0418915A2 (en) * | 1989-09-22 | 1991-03-27 | Mitsubishi Materials Corporation | Cutting apparatus |
| US5119798A (en) * | 1990-09-04 | 1992-06-09 | Blount, Inc. | Abrasive cutting apparatus including inverted cutting chain with inward facing cutting elements |
| US20120132051A1 (en) * | 2010-11-29 | 2012-05-31 | Diamond Products, Limited | Saw Chain For Aggregate Materials |
| US20140150621A1 (en) * | 2012-11-30 | 2014-06-05 | Genady Rabinovich | Chain and a chain tool |
| CN204997828U (en) * | 2015-08-26 | 2016-01-27 | 徐柏龄 | Diamond tool on modified stone material profile of tooth cutting chain saw |
| CN206870144U (en) * | 2017-07-07 | 2018-01-12 | 厦门致力金刚石科技股份有限公司 | A kind of diamond chain saw |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019007064A1 (en) * | 2017-07-07 | 2019-01-10 | 厦门致力金刚石科技股份有限公司 | Diamond chainsaw and forming method therefor |
| CN109483742A (en) * | 2018-11-06 | 2019-03-19 | 能诚集团有限公司 | Cut chain group and cutter device |
| CN109537660A (en) * | 2019-01-04 | 2019-03-29 | 重庆长征重工有限责任公司 | Bar shaped deep trouth foundation excavation equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019007064A1 (en) | 2019-01-10 |
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Application publication date: 20171103 |