CN1066390C - Method for mfg. sleeve of double straight-hole extruder - Google Patents
Method for mfg. sleeve of double straight-hole extruder Download PDFInfo
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- CN1066390C CN1066390C CN98100533A CN98100533A CN1066390C CN 1066390 C CN1066390 C CN 1066390C CN 98100533 A CN98100533 A CN 98100533A CN 98100533 A CN98100533 A CN 98100533A CN 1066390 C CN1066390 C CN 1066390C
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- inner lining
- material pipe
- lining material
- pairing gold
- sleeve
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Abstract
The present invention relates to a method for manufacturing a sleeve barrel of a double-straight-hole extruder. Double alloy inner lining pipes which are used are fixedly gripped by an outside diameter parallelling and fixing clamp and an inside diameter pressing and outwards enlarging device, are placed on a standard platform for correction, and are cut by a wire cutting machine in order to form a C shape; two C-shaped material cutting tubes which are cut are welded after being fixed by a figure-eight fixing clamp, projecting parts of welding points are removed, and the C-shaped material cutting tubes are corrected. An outer cylinder on a back segment is placed in a heating furnace for heating to 300 to 400 DEG C, the temperature is maintained for 3 to 5 hours, the outer cylinder is planted into the material tube after thermal expansion is outwards enlarged to 0.3 to 0.5mm, and a product of the two segments type double-straight-hole double-alloy inner lining sleeve barrel is manufactured by assembling the outer cylinder and a sleeve barrel on a front segment.
Description
The present invention relates to the manufacture method of the extruder sleeve in a kind of forcing press field, particularly relate to a kind of manufacture method of double straight-hole extruder sleeve.
See also Fig. 1, shown in Figure 2, the whole shape extruder of the one-part form double straight-hole of present existing extruder sleeve, the top layer, aperture of its double straight-hole is adopts gas nitriding hardness to handle, its rigidity layer only is 0.3～0.6mm, because its rigidity layer is thin, be unable to undergo to push the lasting abrasion of plastic material and as easy as rolling off a log damage reduces service life; And for example fruit is used extruder sleeve integral body then instead can increase its cost.This shows that the whole shape sleeve of the one-part form double straight-hole of above-mentioned existing extruder still has many defectives, and the assistant officer waits to be improved.
Because the drawback that the whole shape sleeve of the one-part form double straight-hole of above-mentioned existing extruder exists, the inventor is based on abundant practical experience and professional knowledge, through constantly research, design, and after studying sample and improvement repeatedly, create the manufacture method of the novel double straight-hole extruder sleeve of two-period form grafting double straight-hole pairing gold liner sleeve of the present invention finally.
Main purpose of the present invention is, overcome the defective of the whole shape sleeve existence of one-part form double straight-hole of existing extruder, and provide a kind of manufacture method of double straight-hole extruder sleeve, make its improvement by the back segment sleeve, with pairing gold inner lining material pipe implantation back segment urceolus and in conjunction with the leading portion sleeve, and can improve its wearability, have and increase the service life, reduce the loss that renews processing charges, and can reduction equipment renew the effect of rate.
The objective of the invention is to realize by following technical scheme.The manufacture method of a kind of double straight-hole extruder sleeve that proposes according to the present invention, it is characterized in that: place four groups of external diameter secured in parallel anchor clamps to be gripped pairing gold inner lining material pipe, and after giving level of corrections, lock aforesaid pairing gold inner lining material pipe with bolt, internal diameter packing extended out tool and be implanted in the inside of aforementioned pairing gold inner lining material pipe thereafter, and be locked at the head and the tail two ends, sending into wire cutting machine carries out the line cutting and cuts into the C shape, and be this wire cutting machine of N Reference Alignment with external diameter secured in parallel anchor clamps, make itself and wire cutting machine platform axle be parallel shape, the material cutting pipe to be cut center of circle to the outer point of contact of circle reaches specified distance cutting, be transferred to face lapping mill thereafter, removing the coarse part on cutting surface, and be the roughness that the parallel benchmark of timing is ground to appointment with the bottom of external diameter secured in parallel anchor clamps; Dismantle its external diameter secured in parallel anchor clamps and internal diameter packing and extend out tool thereafter, and acquisition is the pairing gold inner lining material of two C types, utilize 8 font stationary fixtures tight through the pairing of cutting and grinding gold inner lining material pipe fixed correction bolt to the depth of parallelism of appointment again with these two, and carrying out spot welding for the two groove place, composition surface, that it is combined is fixing, remove this stationary fixture thereafter, worn spot welding point protrudes partly, this moment the back segment urceolus is placed and heat 300～400 ℃ in the heating furnace, held temperature 3～5 hours, make its thermal expansion 0.3～0.5mm, take advantage of this moment 8 font pairings gold inner lining material pipe is implanted this back segment urceolus, engage with the leading portion sleeve again, can make two-period form double straight-hole pairing gold liner sleeve.
Purpose of the present invention can also further realize by following technical measures.The manufacture method of aforesaid double straight-hole extruder sleeve, wherein it has the rectifiable pairing gold of enforcement inner lining material pipe cutting back to be out of shape the corrective measure of situation for there being the distortion situation to design in addition for the C shape pairing gold inner lining material pipe after cutting through wire cutting machine, it is meant and uses the internal diameter packing to extend out the tool group, directly in the C shape material pipe that implantation has deformed, lock with bolt at the head and the tail two ends, be expanded to required size, place, bolt is tight behind the following stationary fixture seat board, deliver in the heating furnace and heat 500～600 ℃, held temperature 4～6 hours, take out dismounting after cooling, and make the material pipe of normal size, continue to use in order to the back segment manufacturing procedure.
The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, The present invention be directed to a kind of manufacture method of novel double straight-hole extruder sleeve, it is to use pairing gold inner lining material pipe, extend out tool via external diameter secured in parallel anchor clamps and internal diameter packing and give fixed clamp, and place standard platform to proofread and correct, make it c-shaped with the wire cutting machine cutting again, and this two c-shaped cutting material pipes of cutting have been finished, after fixing, weld 8 font stationary fixtures, and removed the pad protuberance, proofread and correct again, the back segment urceolus placed heat 300～400 ℃ in the heating furnace and held warm 3-5 hour, plant feeding pipe after making its thermal expansion extend out 0.3～0.5mm, warp is assembled mutually with the leading portion sleeve again, and makes this two-period form double straight-hole pairing gold liner sleeve goods.It is by the improvement of back segment sleeve, implants the back segment urceolus and in conjunction with the leading portion sleeve with pairing gold inner lining material pipe, and can improve its wearability, has to increase the service life, reduce the loss that renews processing charges, and can reduction equipment renews the effect of rate.No matter it is all having bigger improvement on manufacture method, on the structure or on the function, and have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Concrete grammar of the present invention and structure thereof are provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the finished product structural representation of the whole shape extruder of existing one-part form double straight-hole sleeve.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural representation of back segment sleeve of the present invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the structural representation of two-period form double straight-hole pairing gold liner extruder sleeve of the present invention.
Fig. 6 is the right view of Fig. 5.
Fig. 7 is the combining structure schematic diagram that pairing gold inner lining material bore of the present invention packing extends out tool.
Fig. 8 is the side view of Fig. 7.
Fig. 9 is the combining structure schematic diagram of pairing gold inner lining material external diameter of pipe secured in parallel anchor clamps of the present invention.
Figure 10 is the side view of Fig. 9.
Figure 11 is the structural representation of the c-shaped shape in pairing gold inner lining material of the present invention pipe cutting back.
Figure 12 is the side view of Figure 11.
Figure 13 is the structural representation of pairing gold inner lining material pipe of the present invention.
Figure 14 is the structural representation of Figure 13.
Figure 15 is that pairing gold inner lining material pipe of the present invention is two combined combining structure schematic diagrames.
Figure 16 is that pairing gold inner lining material pipe of the present invention is implanted the structural representation in the back segment urceolus.
Figure 17 is the side view of Figure 16.
Figure 18 is that pairing gold inner lining material pipe of the present invention is implanted the schematic diagram in the back segment urceolus.
Figure 19 is the structural representation of pairing gold inner lining material pipe straightening tool of the present invention.
Figure 20 is the finished product structural representation of back segment sleeve of the present invention.
Figure 21 is the side view of Figure 20.
Figure 22 is the structural representation of wire cutting machine of the present invention.
Figure 23 is the side view of Figure 22.
Figure 24 is the structural representation of face lapping mill of the present invention.
Figure 25 is the structural representation of heating furnace of the present invention.
Figure 26, Figure 27 are the side views of Figure 25.
Figure 28 is a manufacturing process schematic diagram of the present invention.
Below in conjunction with accompanying drawing and preferred embodiment, its concrete grammar of manufacture method, constructional device, feature and the effect thereof of the double straight-hole extruder sleeve that foundation the present invention is proposed, describe in detail as after.
See also shown in Figure 28, and please in conjunction with consulting Fig. 7 to shown in Figure 14, the manufacture method of double straight-hole extruder sleeve of the present invention, its constructional device comprises that mainly external diameter secured in parallel anchor clamps, internal diameter packing extend out tool, wire cutting machine, face lapping mill, 8 font stationary fixture and heating furnaces in this manufacture method, wherein:
Seeing also Fig. 9, shown in Figure 10, is the combining structure schematic diagram of pairing gold inner lining material external diameter of pipe secured in parallel anchor clamps of the present invention.These external diameter secured in parallel anchor clamps 4-1, it is gripped pairing gold inner lining material pipe 5-1, wherein its skin of this pairing gold inner lining material pipe 5-1 is to use carbon steel material, internal layer is to be selected from nickel, chromium, copper etc. have hardness and the good metal of wearability is a material, 5-1 is arranged at external diameter secured in parallel anchor clamps 4-1 (as shown in Figure 9) with this pairing gold inner lining material pipe, this group needs 4 external diameter secured in parallel anchor clamps 4-1 to be gripped altogether, and these external diameter secured in parallel anchor clamps 4-1 is placed on carries out level correction above the standard platform, and make pairing gold inner lining material pipe 5-1 bolt tight, influence precision in order to avoid in moving the process of transporting, make its displacement.
See also Fig. 7, shown in Figure 8, this internal diameter packing extends out tool, get its internal diameter packing and extend out the inside that the tool group is implanted pairing gold inner lining material pipe 5-1, and it is locked at the head and the tail two ends, to prevent that pairing gold inner lining material pipe 5-1 produces stress and is the recessed shape attitude in cutting process, avoid external diameter secured in parallel anchor clamps 4-1 (as shown in Figure 9) to cause displacement, and can't carry out follow-up procedure for processing because of loosening; This internal diameter packing extends out tool and is made of assemblies such as left internal diameter clamp holder 3-1, rightinternal diameter clamp holder 3-2, internal diameter packing ring 3-3, internal diameter packing stationary pipes 3-4, internal diameter packing gim peg 3-5; So the time pairing gold inner lining material pipe 5-1 extend out tool institute's fixed clamp and become one in conjunction with integrated member via external diameter secured in parallel anchor clamps 4-1 and internal diameter packing.
See also Figure 22, shown in Figure 23, this wire cutting machine, be to deliver to this wire cutting machine in conjunction with integrated member with above-mentioned, the circle material pipe that makes pairing gold inner lining material pipe 5-1 is through cutting and c-shaped shape, be to be that benchmark is proofreaied and correct on wire cutting machine during cutting according to external diameter secured in parallel anchor clamps 4-1, itself and the board axial plane of wire cutting machine are promptly cut after parallel, and cut into required size range.
See also shown in Figure 24, this face lapping mill, be to be transferred to face lapping mill after pairing gold inner lining material pipe 5-1 cutting is finished, to remove the coarse part on its cutting surface, be the parallel benchmark of making timing with the bottom of external diameter secured in parallel anchor clamps 4-1 during grinding, it is below the 0.8S that the surface of cut surface need be ground to roughness; The external diameter secured in parallel anchor clamps 4-1 and the internal diameter packing of dismantling this integrated member thereafter extend out tool, can make the pairing gold inner lining material pipe 5-2 (as Fig. 4, shown in Figure 11) of the c-shaped shape in cutting back, with the pairing gold inner lining material pipe 5-2 of two C shapes of above-mentioned processing procedure preparation.
See also shown in Figure 15, this 8 font stationary fixture 6-1, be its depth of parallelism of the pairing of c-shaped shape after aforementioned two cuttings gold inner lining material pipe 5-2 fixed correction just to be carried out bolt after below the 0.05mm fasten, and can avoid in carrying displacement and influence precision, bolt fastens composition surface groove 6-2 place means of spot welds 6～10 places of back at the pairing gold inner lining material pipe 5-2 (as Figure 15, shown in Figure 17) of this 8 font, it is fixing that the pairing gold inner lining material pipe 5-2 of 8 fonts is combined, and is beneficial to carry out it is implanted the step of (as shown in figure 18) in the aperture of back segment urceolus; Promptly detachable this 8 font stationary fixture 6-1 after welding is finished, and carried out the pad protuberance worn, (as shown in figure 18) is interrupted and can't implant when preventing to implant the internal diameter of this back segment urceolus, measure the dimensional accuracy of the pairing gold inner lining material pipe 5-2 of 8 fonts this moment, check whether it meets the requirements, whether its deflection is in the allowed band of implanting the urceolus tolerance value.
See also shown in Figure 25, this heating furnace, be (as Figure 20 with this back segment urceolus, shown in Figure 21) place in the heating furnace and heat 300～400 ℃, held temperature about 3-5 hour, make the internal diameter of this back segment urceolus extend out 0.3-0.5mm because of thermal expansion, big 0.2～the 0.4mm of external diameter of 8 font pairings gold inner lining material pipe 5-2 to be implanted can implant (as shown in figure 18), when this pairing gold inner lining material pipe 5-2 implants the back segment urceolus, then implant operation in the time of must finishing in the heating period, cause implanting difficulty in order to avoid cause the aperture to shrink after the cooling of back segment urceolus, can slightly not knock in order to operation (as shown in figure 18) if any smooth during implantation, can finish back segment sleeve with pairing gold inner lining material pipe 5-2 (extremely shown in Figure 14) as Figure 11, treat this back segment sleeve (shown in the B of Fig. 5) cooling, after leading portion sleeve (shown in the A of Fig. 5) was assembled mutually, the double straight-hole pairing gold liner sleeve of promptly finishing extruder of the present invention was (as Fig. 5, shown in Figure 6).
Another technical characterictic of the present invention is the distortion situation after the cutting of rectifiable pairing gold inner lining material pipe.
Can produce internal stress in the process that this pairing gold inner lining material pipe 5-2 cuts on wire cutting machine (as Figure 22, shown in Figure 23), so after cutting is finished, after external diameter secured in parallel anchor clamps 4-1 and internal diameter packing extended out tool (as Fig. 7, shown in Figure 8) dismounting, to have to be and be oblate shape, or the oblate shape that contracts in becoming, or be the situation that extends out oblate shape; No matter but which kind of situation all must be done the processing of corrective measure, make the unlikely thereby damage of goods;
Seeing also shown in Figure 19ly, is the structural representation of pairing of the present invention gold inner lining material pipe straightening tool.Above-mentioned rectification flow process is, with the pairing gold inner lining material pipe 5-2 that deforms, extend out the left internal diameter clamp holder 3-1 of tool group with the internal diameter packing, rightinternal diameter clamp holder 3-2, internal diameter packing ring 3-3, internal diameter packing stationary pipes 3-4, after assemblies (as shown in Figure 7) such as internal diameter packing gim peg 3-5 are implanted and are reached required size in the pairing gold inner lining material pipe 5-2, place down (as shown in figure 19) behind the stationary fixture seat board 8-2, to go up stationary fixture seat board 8-1 again covers, and should go up stationary fixture seat board 8-1, following stationary fixture seat board 8-2 bolt fastens state as shown in figure 19, deliver to again and be heated to 500～600 ℃ in the heating furnace, and make temperature hold temperature 4～6 hours, it cools off (it is cold to be stove) gradually in heating furnace after, hang out outside the stove, dismantle all holder anchor clamps and internal diameter packing and extend out the tool group.The pairing gold inner lining material pipe 5-2 that the method can produce all metabolies obtains to correct, and it is it to be recovered behind original apparent size and implantable in the back segment urceolus.
Specific embodiments of the invention below are described, it is the pairing gold liner sleeve according to the extruder of the prepared φ 90mm of manufacture method of double straight-hole extruder sleeve of the present invention.
See also Fig. 9, shown in Figure 10, it is the pairing gold inner lining material pipe 5-1 (extremely shown in Figure 14 as Fig. 7) with φ 90mm, it is of a size of internal diameter φ 90 (+0, + 0.035) * external diameter φ 107 (0,-0.02) * L787.5 (± 0.5), nickel-base alloy thickness is 25mm, place 4 groups of external diameter secured in parallel anchor clamps 4-1 to be gripped (as Fig. 9, shown in Figure 10), and these 4 groups of external diameter secured in parallel anchor clamps 4-1 are placed on above the standard platform after the level of corrections, lock aforesaid pairing gold inner lining material pipe 5-1 with bolt, get the internal diameter packing and extend out tool (as Fig. 7, shown in Figure 8) be left internal diameter clamp holder 3-1, rightinternal diameter clamp holder 3-2, internal diameter packing ring 3-3, internal diameter packing stationary pipes 3-4, assemblies such as internal diameter packing gim peg 3-5 are implanted the inside of this pairing gold wadding pipe 5-1, and be locked at the head and the tail two ends respectively, deliver to wire cutting machine after assembling is finished and carry out the line cutting, make its c-shaped shape, be to be that benchmark is proofreaied and correct at wire cutting machine during cutting according to external diameter secured in parallel anchor clamps 4-1, make itself and wire cutting machine platform axle be parallel shape, point of contact 37.5mm cuts outside measuring from the material pipe center of circle to be cut to circle, after finishing, cutting is transferred to face lapping mill to remove the coarse part on cutting surface, make the parallel benchmark of timing during grinding with the bottom of external diameter secured in parallel anchor clamps 4-1, and be ground to roughness below 0.8S, dismantle its external diameter secured in parallel anchor clamps 4-1 and internal diameter packing expansion tool thereafter, be of a size of internal diameter φ 90.1 * external diameter φ 107.9 * L787.55 after can making the cutting of c-shaped shape pairing gold inner lining material pipe 5-2, nickel-base alloy thickness is 2.5mm (as shown in figure 11), with two C shape pairings gold of the preparation of processing procedure so inner lining material pipe 5-2, utilize 8 font stationary fixture 6-1 (as shown in figure 15), the pairing gold inner lining material pipe 5-2 fixed correction of the c-shaped shape after aforementioned two cutting and grindings are finished, its depth of parallelism back below 0.5mm is locked with bolt, and at this pairing gold inner lining material pipe 5-2 that is 8 fonts (as Figure 15, shown in Figure 180) the 6-2 of groove place, composition surface (as shown in figure 15), carry out means of spot welds 6～10 places, make the pairing gold inner lining material pipe 5-2 of this 8 font combine fixing, after welding is finished is detachable 8 font stationary fixture 6-1, carried out the pad protuberance worn again, measure the size of the pairing gold inner lining material pipe 5-2 of this 8 font, can obtain two distance of center circle is 75.2mm, in conjunction with the back maximum diameter is 182.2mm, and preparation is implanted in the internal diameter of back segment urceolus, with this back segment urceolus 9-1 (as Figure 20, shown in Figure 21) cooperate the pairing gold inner lining material pipe 5-2 of 8 fonts to be processed as 8 font aperture 9-2 (as Figure 20, shown in Figure 21), the straight degree in this aperture needs less than 0.05mm, so that it is combined closely, place this back segment urceolus 9-1 in the heating furnace this moment, be heated to 300 ℃, and kept temperature 4 hours, make back segment urceolus 9-1 big because of the external diameter of thermal expansion 8 font pairings gold inner lining material pipe 5-2 to be implanted, and this 8 font pairing gold inner lining material pipe 5-2 is implanted in the internal diameter of back segment urceolus 9-1 (as Figure 16, Figure 17, shown in Figure 180), implant and promptly become back segment sleeve (as shown in Figure 4) after assembling is finished with pairing gold inner lining material pipe 5-2, after treating this back segment sleeve (B of Fig. 3 to Fig. 6) cooling, assemble mutually with leading portion sleeve (A of Fig. 3 to Fig. 6) again, promptly finish the double straight-hole pairing gold liner sleeve goods (extremely shown in Figure 6) of φ 90 extruders of the present invention after the assembling as Fig. 3.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1. the manufacture method of a double straight-hole extruder sleeve is characterized in that:
Place four groups of external diameter secured in parallel anchor clamps to be gripped pairing gold inner lining material pipe, and after giving level of corrections, lock aforesaid pairing gold inner lining material pipe with bolt, internal diameter packing extended out tool and be implanted in the inside of aforementioned pairing gold inner lining material pipe thereafter, and be locked at the head and the tail two ends, sending into wire cutting machine carries out the line cutting and cuts into the C shape, and be this wire cutting machine of N Reference Alignment with external diameter secured in parallel anchor clamps, make itself and wire cutting machine platform axle be parallel shape, the material cutting pipe to be cut center of circle to the outer point of contact of circle reaches specified distance cutting, be transferred to face lapping mill thereafter, removing the coarse part on cutting surface, and be the roughness that the parallel benchmark of timing is ground to appointment with the bottom of external diameter secured in parallel anchor clamps;
Dismantle its external diameter secured in parallel anchor clamps and internal diameter packing and extend out tool thereafter, and acquisition is the pairing gold inner lining material of two C types, utilize 8 font stationary fixtures tight through the pairing of cutting and grinding gold inner lining material pipe fixed correction bolt to the depth of parallelism of appointment again with these two, and carrying out spot welding for the two groove place, composition surface, that it is combined is fixing, remove this stationary fixture thereafter, worn spot welding point protrudes partly, this moment the back segment urceolus is placed and heat 300～400 ℃ in the heating furnace, held temperature 3～5 hours, make its thermal expansion 0.3～0.5 mm, take advantage of this moment 8 font pairings gold inner lining material pipe is implanted this back segment urceolus, engage with the leading portion sleeve again, can make two-period form double straight-hole pairing gold liner sleeve.
2. the manufacture method of double straight-hole extruder sleeve according to claim 1, it is characterized in that it has the rectifiable pairing gold of enforcement inner lining material pipe cutting back to be out of shape the corrective measure of situation for there being the distortion situation to design in addition for the C shape pairing gold inner lining material pipe after cutting through wire cutting machine, it is meant and uses the internal diameter packing to extend out the tool group, directly in the C shape material pipe that implantation has deformed, lock with bolt at the head and the tail two ends, be expanded to required size, place, bolt is tight behind the following stationary fixture seat board, deliver in the heating furnace and heat 500～600 ℃, held temperature 4～6 hours, take out dismounting after cooling, and make the material pipe of normal size, continue to use in order to the back segment manufacturing procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98100533A CN1066390C (en) | 1998-02-16 | 1998-02-16 | Method for mfg. sleeve of double straight-hole extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98100533A CN1066390C (en) | 1998-02-16 | 1998-02-16 | Method for mfg. sleeve of double straight-hole extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1191175A CN1191175A (en) | 1998-08-26 |
| CN1066390C true CN1066390C (en) | 2001-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN98100533A Expired - Fee Related CN1066390C (en) | 1998-02-16 | 1998-02-16 | Method for mfg. sleeve of double straight-hole extruder |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101347886B (en) * | 2008-08-27 | 2012-03-21 | 宜昌江峡船用机械有限责任公司 | Nonuniform heating enclosed method in large-sized high-pressure bottle heat sleeve stove |
| CN103144265B (en) * | 2013-03-07 | 2017-05-31 | 上海逊达橡塑机械制造有限公司 | A kind of dual-metal cylinder body of extruder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667299A (en) * | 1983-04-12 | 1987-05-19 | Microoffice Systems Technology | Portable computer |
| CN2059872U (en) * | 1989-10-25 | 1990-08-01 | 沈阳市食品酿造机械厂沈阳化工学院 | Rubber desulfurization extruder |
| CN1009073B (en) * | 1987-11-13 | 1990-08-08 | 吉林大学 | Macropartical diamond polycrystal with boracium surface and synthetic method thereof |
| CN1055013A (en) * | 1990-03-21 | 1991-10-02 | 北京有色金属研究总院 | The extruding tool and mould and the manufacture method thereof of band coating |
| JPH0811187A (en) * | 1994-07-04 | 1996-01-16 | Friends Of Freesia:Kk | Plastic resin kneading and extruding method and apparatus having plurality of selectively operated cylinders |
-
1998
- 1998-02-16 CN CN98100533A patent/CN1066390C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667299A (en) * | 1983-04-12 | 1987-05-19 | Microoffice Systems Technology | Portable computer |
| CN1009073B (en) * | 1987-11-13 | 1990-08-08 | 吉林大学 | Macropartical diamond polycrystal with boracium surface and synthetic method thereof |
| CN2059872U (en) * | 1989-10-25 | 1990-08-01 | 沈阳市食品酿造机械厂沈阳化工学院 | Rubber desulfurization extruder |
| CN1055013A (en) * | 1990-03-21 | 1991-10-02 | 北京有色金属研究总院 | The extruding tool and mould and the manufacture method thereof of band coating |
| JPH0811187A (en) * | 1994-07-04 | 1996-01-16 | Friends Of Freesia:Kk | Plastic resin kneading and extruding method and apparatus having plurality of selectively operated cylinders |
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| Publication number | Publication date |
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| CN1191175A (en) | 1998-08-26 |
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