CN202278189U - Powder metallurgy part with inner hole forming inclination angle with die parting face, and die structure - Google Patents
Powder metallurgy part with inner hole forming inclination angle with die parting face, and die structure Download PDFInfo
- Publication number
- CN202278189U CN202278189U CN2011203612444U CN201120361244U CN202278189U CN 202278189 U CN202278189 U CN 202278189U CN 2011203612444 U CN2011203612444 U CN 2011203612444U CN 201120361244 U CN201120361244 U CN 201120361244U CN 202278189 U CN202278189 U CN 202278189U
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- mould
- endoporus
- face
- cushion block
- delivery sheet
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Abstract
The utility model relates to a powder metallurgy part with an inner hole forming inclined angles with die parting faces, and a die structure. The powder metallurgy part comprises a part body formed through one-step pressing of powder metallurgy, wherein an upper die parting face and a lower die parting face which are parallel to each other, and a side surface twining along the outline of the part body are arranged on the part body, the side surface and a perpendicular bisector form an included angle Alpha1, at least one inner hole is formed on the part body, the inner hole penetrates through the upper die parting face and the lower die parting face, the spindle axis of the inner hole forms an included angle Alpha 2 with the perpendicular bisector, the Alpha1 equals to Alpha 2, the die structure comprises a core rod, an upper die, a middle die, a lower die, a delivery sheet and a powder feeder; the part body is formed through one-step pressing of powder metallurgy, and the part has the advantages of favorable chemical, mechanical and physical property in powder metallurgy processes and high dimensional precision.
Description
Technical field
The utility model relates to a kind of powdered metal parts, relates in particular to a kind of endoporus becomes the inclination angle with die joint powdered metal parts and mould thereof.
Background technology
At present, powder metallurgical technique has unique chemical to be formed and machinery, physical property, can reduce alloying component to greatest extent and gather partially; Eliminate thick, uneven cast sturcture; Can directly process porous, half fine and close or full dense material and goods, like oiliness bearing, gear, cam, guide rod, cutter etc., because in the power metallurgy equipment; The structure of mold platform, powder feeder all is the datum-plane setting with the horizontal plane; Upper and lower mould to be making the upper and lower part that is crushed to perpendicular to horizontal direction, so it can only extrusion modling goes out the part of above and below and lateral vertical, when needs produce above and below and side irregular part at an angle to each other and band perpendicular to the internal control of horizontal plane; If process according to conventional molds, powder feeder structure; Can't accomplish, can only pass through other machining mode such as completion such as turning, milling, make the part of this this structure can't reach chemistry, machinery, the physical property of the metallurgical part of ordinary powder.
Summary of the invention
The purpose of the utility model is to solve the deficiency of above-mentioned prior art; And provide a kind of rational in infrastructure; Low cost of manufacture, chemistry, machinery, the good endoporus of physical property become powdered metal parts and the innovation at inclination angle, the mould structure of installation is quick, production efficiency is high this part of manufacturing with die joint.
The utility model solves the technical scheme that its technical problem adopted: a kind of endoporus becomes the powdered metal parts at inclination angle with die joint; It is characterized in that; Comprise part noumenon through a compression moulding of powder metallurgy; Said part noumenon is provided with upper and lower die joint that is parallel to each other and the side of coiling along the part noumenon profile, and side and perpendicular bisector constitute angle 1, offer at least one endoporus on the part noumenon; Endoporus runs through formation angle 2 between upper and lower die joint and its central axis and the perpendicular bisector, and said α 1 equals α 2; The part noumenon of a compression moulding of this powder metallurgy, it possesses the good chemistry of powder metallurgical technique, machinery, physical property, and dimensional accuracy is high.
The cross section of said part noumenon is the strip ellipsoid, and ellipsoidal and arranged on left and right sides has two endoporus;
Said α 1 is 0 °～25 ° with α 2; Its angle can be set arbitrarily in 0 °～25 ° scopes, improves product and uses flexibility.
The utility model also comprises a kind of mould structure of making above-mentioned part noumenon; Comprise plug, patrix, middle mould, counterdie, delivery sheet and powder feeder; Its end face of solid cylindrical shell that middle mould is the approximate circle tubular is skewed and constitutes angle β with horizontal plane; Delivery sheet is that thin plate shape one of which side has the middle nib that matches with middle mould outline; The delivery sheet bottom surface be tilting with high and low cushion block support and be set in through middle nib on the mould its end face fair with middle mould end face; Offer the part noumenon forming cavity on the middle mould; The bottom surface of patrix is respectively equipped with the upper and lower mould inclined plane parallel with middle mould end face with the end face of counterdie, and the counterdie inclined plane is securing elongated to be gone in the part noumenon forming cavity, and the patrix inclined plane goes to upper and lower the slip form and when compression moulding, extends in the part noumenon forming cavity; Correspondingly respectively on the upper and lower mould offer at least one and be suitable for the upper and lower mould endoporus that plug wears; Plug wears in the counterdie endoporus its end by the counterdie bottom and extends the counterdie inclined plane and extend in the patrix endoporus when the compression moulding, and powder feeder is slidingly connected at the delivery sheet opposite side with tilting, offer in the powder feeder powder feeder along in the mould end face slide into the meal outlet of using do powder feeding on the part noumenon forming cavity; This mould structure, skewed through middle mould end face is arranged to, angle β that it constitutes with horizontal plane and angle 1, α 2 are identical; Delivery sheet is connected with high and low cushion block through the bottom surface and is tilting and installs, and middle die sleeve is located at that its end face maintains an equal level with middle mould end face on the middle nib of delivery sheet one side, and it is to be close to the delivery sheet opposite side that powder feeder is slip; The bottom surface of upper and lower mould and end face correspondence are provided with upper and lower mould inclined plane, and during work, the counterdie inclined plane of counterdie end face extends in the part noumenon forming cavity; Plug wears in the counterdie endoporus its end by the counterdie bottom and extends the counterdie inclined plane and extend in the patrix endoporus when the compression moulding, and powder feeder slides toward middle mould direction, when sliding into the part noumenon forming cavity; Alloy powder is along the meal outlet whereabouts and fill up the part noumenon forming cavity; Powder feeder returns to home position (delivery sheet opposite side) then, and this moment, patrix passed through the interior alloy powder of the downward extrusion sections body of drive forming cavity of cam and bent axle, finally was pressed into the above-mentioned part noumenon of mentioning; Adopt above-mentioned tilting powder feeding (being that powder feeder bottom surface same level face becomes certain inclination angle); Product endoporus and product die joint out of plumb, its mould structure innovation is enhanced productivity; Practice thrift cost, more help guaranteeing the product precision size and the powder metallurgical technique characteristic that process.
Said high and low cushion block is separately positioned on the high and low both sides of delivery sheet bottom surface; The end face of high and low cushion block is equipped with the cushion block inclined plane that adapts with middle mould end face, and two cushion block inclined planes and delivery sheet bottom surface offset and be affixed with screw, screw type of attachment and delivery sheet; The setting of high and low cushion block makes the delivery sheet location more firmly with stable, and simple and reasonable for structure, installing and locating is quick.
Said high cushion block is made up of upper and lower pad stack, and the cushion block inclined plane is arranged on the pad end face, and last pad bottom surface offsets with the horizontal plane form with following pad end face; High cushion block is arranged to upper and lower pad stack, be because delivery sheet need be located as tilting through high and low cushion block, and high and low cushion block is in position fixing process; Be fixed on low level one side of delivery sheet bottom surface after at first at least two low cushion block turning being come out, and then turning goes out high cushion block, and because high cushion block is in the actual installation process; Playing the effect of regulating the delivery sheet gradient, as high cushion block is come out by a whole turning, and should the integral body end face be the cushion block inclined plane; When in adjustment process, needing chipping allowance to carry out turning, the cushion block inclined plane of one of which side makes turning process be difficult to the location, so; The utility model is arranged to split type upper and lower pad with high cushion block, on weigh the body end face in the hand and have the cushion block inclined plane, process according to α 1 or α 2 or β angle one-time turning; And pad is the column of rule down, can in the delivery sheet installation process, carry out surplus cutting arbitrarily, and its structure is ingenious; Use flexibly, make things convenient for the integral installation and the adjusting of mould structure.
Also be bonded with seal by circumferencial direction between nib inwall and the middle mould sidewall in said, seal is made up of cotton and industrial glue bonding; The seal that cotton and industrial glue bonding are formed prevents that effectively alloy powder from being flowed away by the space between middle nib inwall and the middle mould sidewall, avoids the waste of alloy powder.
Corresponding respectively and arranged on left and right sides offers two respectively and is suitable for the upper and lower mould endoporus that plug wears on the said upper and lower mould, two plugs wear respectively in the upper and lower mould endoporus and right side plug length greater than the left side plug.
The beneficial effect of the utility model is: a kind of endoporus of the utility model becomes the powdered metal parts and the mould structure thereof at inclination angle with die joint, it is rational in infrastructure, and part noumenon is through a compression moulding of powder metallurgy; Produce above and below and the side metallurgical part of irregular powder at an angle to each other with vertical endoporus, it possesses the good chemistry of powder metallurgical technique, machinery, physical property, and dimensional accuracy is high; Make the mould structure of this part noumenon, its structure is through special setting, with the molding plane of middle mould end face with to send the branch device to be arranged to simultaneously skewed; And upper and lower mould likewise is provided with the inclined plane that adapts; Do not changing under the original mechanical motion principle, its mould structure innovation is enhanced productivity; Practice thrift cost, more help guaranteeing the product precision size and the powder metallurgical technique characteristic that process.
Description of drawings
Fig. 1 is the structural representation of part noumenon in the utility model.
Fig. 2 is the mould structure combining structure sketch map of finished parts body in the utility model.
Fig. 3 is the mould structure decomposition texture sketch map of finished parts body in the utility model.
Fig. 4 is the structural representation of relative another angle of Fig. 2.
Fig. 5 is the structural representation of the utility model patrix.
Fig. 6 is the structural representation of mould in the utility model.
Fig. 7 is the structural representation of the utility model counterdie.
Fig. 8 is the structural representation of the low cushion block of the utility model.
Fig. 9 is the structural representation of the high cushion block of the utility model.
Figure 10 is the structural representation of cushion block on the utility model.
Figure 11 is the structural representation of the utility model lower cushion block.
Figure 12 is the structural representation of mould in the utility model, delivery sheet, the combination of high and low cushion block.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Extremely shown in Figure 12 like Fig. 1; A kind of endoporus becomes the powdered metal parts at inclination angle with die joint; It is characterized in that, comprise the part noumenon 1 through a compression moulding of powder metallurgy, said part noumenon 1 is provided with upper and lower die joint 101,102 that is parallel to each other and the side 103 of coiling along part noumenon 1 profile; Side 103 constitutes angle 1 with perpendicular bisector Y; Offer at least one endoporus 2 on the part noumenon 1, endoporus 2 runs through formation angle 2 between upper and lower die joint 101,102 and its central axis X and the perpendicular bisector Y, and said α 1 equals α 2; The part noumenon 1 of a compression moulding of this powder metallurgy, it possesses the good chemistry of powder metallurgical technique, machinery, physical property, and dimensional accuracy is high.
The cross section of said part noumenon 1 is the strip ellipsoid, and ellipsoidal and arranged on left and right sides has two endoporus 2;
Said α 1 is 0 °～25 ° with α 2; And equaling α 2, the α 1 of present embodiment equals 12 °; Its angle can be set arbitrarily in 0 °～25 ° scopes, improves product and uses flexibility.
The utility model also comprises a kind of mould structure of making above-mentioned part noumenon 1; Comprise plug 3, patrix 4, middle mould 5, counterdie 6, delivery sheet 7 and powder feeder 8; Middle mould 5 is skewed for its end face 501 of solid cylindrical shell of approximate circle tubular and constitutes angle β with horizontal plane; Delivery sheet 7 has the middle nib 703 that matches with middle mould 5 outlines for thin plate shape one of which side; Delivery sheet 7 bottom surfaces be tilting with high and low cushion block 9,10 supports and be set in through middle nib 703 on the mould 5 its end face 701 maintain an equal level with middle mould 5 end faces 501; Offer part noumenon forming cavity 503 on the middle mould 5; The end face of the bottom surface of patrix 4 and counterdie 6 is respectively equipped with and the parallel upper and lower mould inclined plane 401,601 of middle mould 5 end faces 501; Counterdie inclined plane 601 is securing elongated to be gone in the part noumenon forming cavity 503; Patrix inclined plane 401 goes to upper and lower the slip form and when compression moulding, extends in the part noumenon forming cavity 503, correspondingly respectively on the upper and lower mould 4,6 offers at least one and is suitable for the upper and lower mould endoporus 402,602 that plug 3 wears, and plug 3 wears in the counterdie endoporus 602 its ends by counterdie 6 bottoms and extends counterdie inclined plane 601 and extend in the patrix endoporus 402 when the compression moulding; Powder feeder 8 is slidingly connected at delivery sheet 7 opposite sides with tilting, offer in the powder feeder 8 powder feeder 8 along in mould 5 end faces 501 slide into the meal outlet of using do powder feeding on the part noumenon forming cavity 503 801; This mould structure, skewed through middle mould 5 end faces 501 are arranged to, angle β that it constitutes with horizontal plane and angle 1, α 2 are identical; Delivery sheet 7 is connected with high and low cushion block 9,10 through the bottom surface and is tilting and installs, and middle mould 5 is set in that its end face 701 maintains an equal level with middle mould 5 end faces 501 on the middle nib 703 of delivery sheet 7 one sides, and powder feeder 8 is that to slide be to be close to delivery sheet 7 opposite sides; The bottom surface of upper and lower mould 4,6 and end face correspondence are provided with upper and lower mould inclined plane 401,601; During work, the counterdie inclined plane 601 of counterdie end face extends in the part noumenon forming cavity 503, and plug 3 wears in the counterdie endoporus 602 its ends by counterdie 6 bottoms and extends counterdie inclined plane 601 and extend in the patrix endoporus 401 when the compression moulding; Powder feeder 8 slides toward middle mould 5 directions; When sliding into part noumenon forming cavity 503, alloy powder is along meal outlet 801 whereabouts and fill up part noumenon forming cavity 503, and powder feeder 8 returns to home position (delivery sheet opposite side) then; This moment, patrix 4 was through the alloy powder in the downward extrusion sections body of the drive forming cavity 503 of cam and bent axle; Finally be pressed into the above-mentioned part noumenon of mentioning 1, adopt above-mentioned tilting powder feeding (being that powder feeder bottom surface same level face becomes certain inclination angle), product endoporus 2 and product die joint out of plumb; Its mould structure innovation; Enhance productivity, practice thrift cost, more help guaranteeing the product precision size and the powder metallurgical technique characteristic that process.
Said high and low cushion block 9,10 is separately positioned on the high and low both sides of delivery sheet 7 bottom surfaces; The end face of high and low cushion block 9,10 is equipped with that 901,1001, the two cushion block inclined planes 901,1001, cushion block inclined plane that adapt with middle mould 5 end faces 501 and delivery sheet 7 bottom surfaces offset and is affixed with screw, screw type of attachment and delivery sheet 7; The setting of high and low cushion block 9,10; And high and low cushion block 9,10 has vertical connecting hole 902,1002 and affixed with the vertical connecting hole 702 of delivery sheet 7 with screw, screw type of attachment; Make delivery sheet 7 location more firmly with stable, simple and reasonable for structure, installing and locating is quick.
Said high cushion block 9 is made up of upper and lower pad 9-a, 9-b stack, and cushion block inclined plane 901 is arranged on pad 9-a end face, and last pad bottom surface 9-a-1 and following pad 9-b end face 9-b-1 offset with the horizontal plane form; High cushion block 9 is arranged to upper and lower pad 9-a, 9-b stack, be because delivery sheet 7 needs to be used as the tilting location through high and low cushion block 9,10, and high and low cushion block 9,10 is in position fixing process; Be fixed on low level one side of delivery sheet 7 bottom surfaces after at first at least two low cushion block 10 turning being come out, and then turning goes out high cushion block 9, and because high cushion block 9 is in the actual installation process; Playing the effect of regulating delivery sheet 7 gradients, as high cushion block 9 is come out by a whole turning, and should the integral body end face be cushion block inclined plane 901; When in adjustment process, needing chipping allowance to carry out turning, the cushion block inclined plane 901 of one of which side makes turning process be difficult to the location, so; The utility model is arranged to split type upper and lower pad 9-a, 9-b with high cushion block 9; On weigh body 9-a end face in the hand and have cushion block inclined plane 901, process according to α 1 or α 2 or β angle one-time turning, and pad 9-b be regular column down; Can in delivery sheet 7 installation processes, carry out surplus cutting arbitrarily; Its structure is ingenious, uses flexibly, makes things convenient for the integral installation and the adjusting of mould structure.
Also be bonded with seal 11 by circumferencial direction between nib 703 inwall 703-1 and middle mould 5 sidewalls 504 in said, seal 11 is made up of cotton and industrial glue bonding; The seal 11 that cotton and industrial glue bonding are formed prevents that effectively alloy powder from being flowed away by the space between middle nib 703 inwall 703-1 and middle mould 5 sidewalls 504, avoids the waste of alloy powder.
On the said upper and lower mould 4,6 corresponding respectively and arranged on left and right sides offer respectively two be suitable for upper and lower mould endoporus 402,602, two plugs 3 that plug 3 wears wear respectively in the upper and lower mould endoporus 402,602 and right side plug length greater than the left side plug.
Said upper and lower mould inclined plane 401,601 corresponding upper and lower mould endoporus 402,602 are provided with boss 402-1,602-1.
Keep to the side on the mould 5 in said and have a plurality of vertically extending installing and locating hole 505 by the principle direction, installing and locating hole 505 can be fixed on middle mould 5 on the mould table securely.
Above-described specific embodiment is merely the utility model preferred embodiment, the equivalent arrangements of being done according to the utility model claim such as, and the technology that all should be the utility model contains.
Claims (8)
1. an endoporus becomes the powdered metal parts at inclination angle with die joint; It is characterized in that; Comprise part noumenon (1) through a compression moulding of powder metallurgy; Said part noumenon (1) is provided with upper and lower die joint (101,102) that is parallel to each other and the side (103) of coiling along part noumenon (1) profile, and side (103) constitute angle (α 1) with perpendicular bisector (Y), offer at least one endoporus (2) on the part noumenon (1); Endoporus (2) runs through between upper and lower die joint (101,102) and its central axis (X) and the perpendicular bisector (Y) and constitutes angle (α 2), and said angle (α 1) equals angle (α 2).
2. endoporus according to claim 1 becomes the powdered metal parts at inclination angle with die joint, it is characterized in that, the cross section of said part noumenon (1) is the strip ellipsoid, and ellipsoidal and arranged on left and right sides has two endoporus (2).
3. endoporus according to claim 1 becomes the powdered metal parts at inclination angle with die joint, it is characterized in that, said angle (α 1) and angle (α 2) are 0 °～25 °.
4. mould structure of making the said part noumenon of claim 1; It is characterized in that; Comprise plug (3), patrix (4), middle mould (5), counterdie (6), delivery sheet (7) and powder feeder (8); Middle mould (5) is skewed for its end face of solid cylindrical shell (501) and constitutes angle (β) with horizontal plane; Delivery sheet (7) has the middle nib (703) that matches with middle mould (5) outline for thin plate shape one of which side; Delivery sheet (7) bottom surface is tilting and is set in middle mould (5) through middle nib (703) that to go up its end face (701) fair with middle mould (5) end face (501) with high and low cushion block (9,10) support; Offer part noumenon forming cavity (503) on the middle mould (5); The end face of the bottom surface of patrix (4) and counterdie (6) is respectively equipped with the upper and lower mould inclined plane (401,601) parallel with middle mould (5) end face (501); Counterdie inclined plane (601) is securing elongated to be gone in the part noumenon forming cavity (503); Patrix inclined plane (401) goes to upper and lower the slip form and when compression moulding, extends in the part noumenon forming cavity (503), on the upper and lower mould (4,6) respectively correspondence offer at least one and be suitable for the upper and lower mould endoporus (402,602) that plug (3) wears, plug (3) wears in the counterdie endoporus (602) its end by counterdie (6) bottom and extends counterdie inclined plane (601) and extend in the patrix endoporus (402) when the compression moulding; Powder feeder (8) is slidingly connected at delivery sheet (7) opposite side with tilting, offer in the powder feeder (8) powder feeder (8) along in mould (5) end face (501) slide into the meal outlet of using do powder feeding on the part noumenon forming cavity (503) (801).
5. according to the mould structure of the said finished parts body of claim 4; It is characterized in that; Said high and low cushion block (9,10) is separately positioned on the high and low both sides of delivery sheet (7) bottom surface; The end face of high and low cushion block (9,10) is equipped with the cushion block inclined plane (901,1001) that adapts with middle mould (5) end face (501), and two cushion block inclined planes (901,1001) offset with delivery sheet (7) bottom surface and be affixed with screw, screw type of attachment and delivery sheet (7).
6. according to the mould structure of the said finished parts body of claim 5; It is characterized in that; Said high cushion block (9) is made up of upper and lower pad (9-a, 9-b) stack; Cushion block inclined plane (901) is arranged on pad (9-a) end face, and last pad bottom surface (9-a-1) offsets with the horizontal plane form with following pad (9-b) end face (9-b-1).
7. according to the mould structure of the said finished parts body of claim 4; It is characterized in that; Also be bonded with seal (11) by circumferencial direction between nib (703) inwall (703-1) and middle mould (5) sidewall (504) in said, seal (11) is made up of cotton and industrial glue bonding.
8. according to the mould structure of the said finished parts body of claim 4; It is characterized in that; Corresponding respectively and arranged on left and right sides offers two respectively and is suitable for the upper and lower mould endoporus (402,602) that plug (3) wears on the said upper and lower mould (4,6), two plugs (3) wear respectively in the upper and lower mould endoporus (402,602) and right side plug length greater than the left side plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203612444U CN202278189U (en) | 2011-09-26 | 2011-09-26 | Powder metallurgy part with inner hole forming inclination angle with die parting face, and die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203612444U CN202278189U (en) | 2011-09-26 | 2011-09-26 | Powder metallurgy part with inner hole forming inclination angle with die parting face, and die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278189U true CN202278189U (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203612444U Withdrawn - After Issue CN202278189U (en) | 2011-09-26 | 2011-09-26 | Powder metallurgy part with inner hole forming inclination angle with die parting face, and die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328089A (en) * | 2011-09-26 | 2012-01-25 | 佛山市盈峰粉末冶金科技有限公司 | Powder metallurgy part with inclination angles between inner bores and parting surfaces and mould structure thereof |
| CN104707999A (en) * | 2015-03-16 | 2015-06-17 | 江西稀有稀土金属钨业集团有限公司 | Special-shaped powder metallurgical product punch forming method and die |
-
2011
- 2011-09-26 CN CN2011203612444U patent/CN202278189U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328089A (en) * | 2011-09-26 | 2012-01-25 | 佛山市盈峰粉末冶金科技有限公司 | Powder metallurgy part with inclination angles between inner bores and parting surfaces and mould structure thereof |
| CN104707999A (en) * | 2015-03-16 | 2015-06-17 | 江西稀有稀土金属钨业集团有限公司 | Special-shaped powder metallurgical product punch forming method and die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120620 Effective date of abandoning: 20130626 |
|
| RGAV | Abandon patent right to avoid regrant |