EP0106124A2 - Dispositif de formage de brides aux conduits d'air - Google Patents

Dispositif de formage de brides aux conduits d'air Download PDF

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Publication number
EP0106124A2
EP0106124A2 EP83108854A EP83108854A EP0106124A2 EP 0106124 A2 EP0106124 A2 EP 0106124A2 EP 83108854 A EP83108854 A EP 83108854A EP 83108854 A EP83108854 A EP 83108854A EP 0106124 A2 EP0106124 A2 EP 0106124A2
Authority
EP
European Patent Office
Prior art keywords
press
mold
press beam
support part
swivel bending
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.)
Granted
Application number
EP83108854A
Other languages
German (de)
English (en)
Other versions
EP0106124A3 (en
EP0106124B1 (fr
Inventor
Manfred Meinig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KARL MEINIG KG
Original Assignee
KARL MEINIG KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KARL MEINIG KG filed Critical KARL MEINIG KG
Priority to AT83108854T priority Critical patent/ATE28038T1/de
Publication of EP0106124A2 publication Critical patent/EP0106124A2/fr
Publication of EP0106124A3 publication Critical patent/EP0106124A3/de
Application granted granted Critical
Publication of EP0106124B1 publication Critical patent/EP0106124B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
    • B21D5/042—With a rotational movement of the bending blade

Definitions

  • the invention relates to a device for forming flanges on air duct walls made of sheet metal by successive press bending and swivel bending, with at least three parts mutually movable by hydraulic drive, a first part of which is designed as a swivel bending element.
  • Such a device is known from DE-OS 1 402 838.
  • This known device is very complicated and expensive both in production and in operation and maintenance.
  • a large part of the mechanical effort is caused by the fact that, according to the state of the Technology generally common, the considerable forces occurring during press brakes and swivel bending are transferred to a machine frame firmly anchored to the floor, so that all parts of the device must be made very heavy and large.
  • heavy and large swivel bending elements and press beams must be used, since all forces have to be transferred to the outside of the machine frame.
  • these large swivel bending members and press beams are also in the way, so that the workpieces cannot be given every position that would be expedient.
  • the aim of the invention is to create a device which, by intercepting the forces that occur inside the device, enables a much smaller and lighter design of the device and allows a direct molding of multi-curved flanges on air duct walls made of sheet metal in a single operation without moving the workpiece.
  • the second part of the device is designed as a support part containing a mold and the third part is designed as a press beam part which can be pressed against the press mold, in that the support part and press beam part are mutually displaceably mounted in the horizontal direction with low friction, that a the first hydraulic drive is supported between the support part and the press beam part, that the swivel bending element is pivotably mounted in the support part and that a second hydraulic drive is supported between the support part and the swivel bending element.
  • the device according to the invention has much smaller dimensions and simpler machine parts than all known devices, since all forces occurring are intercepted directly at their point of origin and the counterforces are applied within the device as short as possible. As a result, the material expenditure of this device can be reduced to approx. 20% and the production expenditure to approx. 30% of the known devices. There is no need for a machine frame or side stand. All movements of the machine parts are effected by a very simple hydraulic device, which can expediently consist of only two pairs of cylinders. There is no need to turn, move or insert the workpiece several times. The workpiece is inserted into the device once and can be removed again with the flange already formed.
  • the entire device essentially consists of only three components that are simple to manufacture and easy to replace. This also results in simple maintenance, whereby between the individual machine share little friction occur. Only the movement of the swivel bending element in the support part has to be lubricated.
  • the press beam can be produced relatively easily in cast steel. The mold can be milled into the support part. Overall, the simple manufacture, operation and maintenance mentioned above result.
  • the pressure beam part is horizontally displaceably mounted on rollers mounted in the support part.
  • the hydraulic drive therefore has to overcome practically no frictional forces.
  • the mold is partially formed by the swivel bending member. Therefore, as soon as the press brake has ended and the press beam has been retracted, the swivel bending element can bend the part of the workpiece which bears against it into the desired final flange shape. All in all, only two simple movements of the device are required for this, on the one hand a linear movement of the pressure beam towards the support part and back again and on the other hand a pivoting of the swivel bending member and back again.
  • the hydraulic device required for this is very simple.
  • the support part forms two sides of the essentially rectangular cross section of the mold and the swivel bending element forms the third side of the mold.
  • the cross-section of the side of the press mold formed by the swivel bending element can have an outward-facing bevel which corresponds to a corresponding bevel on the press beam.
  • the swivel bending member is mounted in a circular arc-shaped cross-section bearing surface of the support part with a sliding surface adapted to the bearing surface so as to be pivotable about the central axis of the bearing surface.
  • the central axis of the bearing surface preferably coincides approximately with an edge of the mold.
  • the large contact surface of the swivel bending element in the bearing surface of the support part results in a relatively low surface pressure, which has a very favorable effect on the service life of the device.
  • the bearing surface is formed by a tubular part made of bronze, the cross section of which corresponds to a circular ring section.
  • this tube part is anchored in the support part in that an intermediate space between the bronze tube part and the recess in the support part is filled with casting resin. This ensures that the anchorage is sufficiently stable and resistant.
  • the swivel bending member has a groove for receiving the vertical duct wall before the press brakes, whose in the corresponding swivel position of the swivel bending member, i.e. before the swivel bending, with the vertical outer surface facing the press beam is aligned with the section of the support part which is adjacent to the swivel bending element and is adjacent to the press mold.
  • the width of the groove is preferably greater than the thickness of the channel wall, the side walls of the groove diverging outwards.
  • the outer surface of the section of the support part adjoining the side of the press mold opposite the swivel bending element is formed by mold blocks which are parallel to the outer surface along the support part are movable. Damaged or worn mold blocks can therefore be replaced simply by inserting a new mold block.
  • a particular advantage, however, can be achieved by these blocks in that they can form small gaps between them, which may be used to accommodate in the channel wall. intended, outwardly projecting folds or rims.
  • the mold blocks then only have to be arranged on the support part by shifting such that there is a space between two adjacent mold blocks at the location of a fold or board, into which the fold or board can be inserted.
  • the mold blocks are slidably mounted on the support part by means of a dovetail guide.
  • a dovetail guide any other embodiments are of course also possible, which are slightly lateral Allow the mold blocks to move on the support part.
  • the mold blocks can form not only the outer surface of the support part facing the press beam, but also, in an advantageous further development, the side of the press mold opposite the swivel bending element. They have an approximately L-shaped cross-section, the location between the outer surface of the support member and the die edge of the mold blocks may be chamfered, is slowed down so that the tilting movement during the pressing process, so that an abrupt folding of the duct wall is avoided by 90 0th
  • the press beam is heavily stressed when the press brake is carried out, it is expediently attached to the press beam part so that it can be replaced so that it can be replaced when worn.
  • the particularly stressed parts of the device in particular the mold blocks, at least the part of the swivel bending element forming one side of the press mold and at least the front section of the press beam advantageously consist of harder material than the other parts of the device with the exception of the bearing surface between the support part and the swivel bending element.
  • the press beam part is designed as an essentially rectangular frame which carries the press beam pointing towards the support part on the inside of a longitudinal section and whose transverse sections are mounted on the support part, preferably on the rollers mentioned.
  • the press beam part can be subjected to high bending stresses in the case of larger dimensions or processing thicker sheet metal.
  • the press beam part is designed as an essentially cubic component slidably slidably mounted in an upwardly open recess of the support part, the press beam part carrying hydraulic cylinders, the pistons of which protrude from vertical end faces of the press beam part pointing in opposite directions and on opposite vertical end walls of the recess support.
  • the press beam part can be designed essentially as a compact and, with the exception of the hydraulic cylinder, solid component, so that it is more resistant to bending.
  • the vertical cross section of the support part is essentially C-shaped in the region of the recess.
  • the hydraulic cylinders can be used as insert parts in bores of the press beam part or expediently incorporated directly into the press beam part.
  • a much greater force is required to carry out the press brake than to pull the press beam out of the mold.
  • a larger number of adjacent parallel hydraulic cylinders is therefore provided for generating the folding movement of the press beam part than for generating the retraction movement.
  • twelve strong hydraulic cylinders arranged in a row next to each other can be provided to generate the folding movement, while three smaller hydraulic cylinders are sufficient to generate the retraction movement. Due to the large number of hydraulic cylinders, the press force during the folding process is evenly distributed over the length of the press beam. Therefore, there is hardly any bending stress.
  • the embodiment of the invention shown in FIGS. 1 to 3 essentially has three mutually movable parts, namely a press beam part 10, a support part 12 and a swivel bending element 14.
  • the press beam part 10 is a substantially rectangular frame with two parallel longitudinal sections 16 and two cross sections 18 are formed.
  • the cross sections 18 are mounted on rollers 22 in a horizontal position along the double arrow 24 and can be moved back and forth on a horizontal lower part 26 of the support part 12, the rollers 22 being rotatably mounted on the support part 12.
  • the approximately plate-shaped cross-section of P in the upper part is arranged reßbalkenteils 10 horizontal.
  • the cross section has a transversely rectangular front section 28 and on the lower side an obliquely outward-pointing bevel 30 which corresponds to a corresponding bevel 32 on the press mold to be explained further below.
  • the support part 12 which in turn can be provided in any manner with light feet or a suspension, not shown, these parts only having to absorb the weight of the device, not force loads, has on the horizontal lower part 26 one inside that formed by the press beam part 10 Frame 16, 18 has an upwardly projecting structure 34, which forms two sides 36 and 38 of a press mold pointing toward the press beam 20, the third side 40 of which, with the bevel 32 adjoining it on the outside, is formed by the swivel bending element 14. 38, 40, the front section 28 of the press beam 20 is fitted with play, the play corresponding approximately to the sheet thickness of the channel wall 42 to be machined.
  • a pair of parallel and jointly operated hydraulic cylinders 44 is supported, which cause a reciprocation of the press beam part 10 according to the double arrow 24.
  • the forces that occur are absorbed on the one hand by the frame-shaped press beam part 10 and on the other hand by the support part 12 and do not have to be transferred to any other machine parts.
  • the support part 12 has a recess 46 which is continuous over the length of the structure 34 and is approximately semicircular in cross section and into which a bronze tube part 50 which is open at the top is cast by means of a cast resin layer 48.
  • the central axis 52 of the bronze tube part 50 forming the bearing surface 54 for the swivel bending member 14 coincides with the swivel axis of the swivel bending member 14 and with the lower edge of the press mold lying between the sides 38 and 40.
  • the swivel bending element 14 has a sliding surface 58 adapted to the bearing surface 54, wherein a sliding movement of the sliding surface 58 along the bearing surface 54 according to the double arrow 60 and around the central axis 52 is possible at an angle of approximately 60 ° .
  • the swivel bending element 14 is shown in solid lines in one end swivel position and in dashed lines 62 in the other end swivel position.
  • the pivoting of the swivel bending member 14 takes place via rigidly connected swivel arms 64, the outer end of which is connected in an articulated manner to a hydraulic cylinder 66, the hydraulic cylinders 66 in turn being articulated with an extension 68 on the underside of the support part 12.
  • the pivoting movement according to the double arrow 60 can therefore be achieved by actuating the hydraulic cylinders 66.
  • right half of the folding member 14 has a in the position shown in solid lines pivoted position of less than 60 0 relative to the horizontal obliquely downwardly extending chamfer 70, the upper end 32 forms the above-mentioned taper of the mold. Downward following this chamfer 32, a groove 72 is sunk into the chamfer 70, which runs over the entire length of the swivel bending element 14. The side wall 74 of the groove 72 pointing towards the press beam 20 is arranged vertically in the pivoted position of the swivel bending element 14 shown in solid lines and is aligned with the outer surface 76 of the support part 12 pointing towards the press beam 20.
  • the opposite side surface 78 of the groove 72 runs obliquely outwards, so that the two side surfaces 74 and 78 diverge.
  • the width of the groove 72 is substantially greater than the sheet thickness of the channel wall 42 to be machined, which is placed vertically on the bottom of the groove 72 at the beginning of a work process.
  • the outer surface 76 of the support part 12 and the upper side 36 of the compression mold are formed in the illustrated embodiment by a series of approximately L-shaped mold blocks 82, each of which has a dovetail part 84 on its rear side, which is constructed in a correspondingly shaped dovetail guide 86 34 of the .Support part 12 are freely displaceable along the structure 34.
  • a chamfer 88 is provided between the outer surface 76 and the upper side 36 of the die for each die block.
  • the shaped blocks can be arranged, for example, in the manner shown in FIG. 1 in such a way that an intermediate space 92 accommodating the fold 90 is located at the location of an outwardly facing fold 90 of the channel wall 42.
  • the spaces 92 can be brought to any point on the channel wall at which a fold is located at any time.
  • the folds are therefore retained and are not crushed, which would be very disadvantageous.
  • the press beam 20 is fastened to the press beam part 10 in an interchangeable manner, not shown.
  • FIGS. 1 to 3 works in the following way: First, the press beam 20 is in the position shown in the figures outside the mold 36, 38, 40 and the swivel bending element is in that in FIGS. 2 and 3 position shown in solid lines. In this position of the parts, a channel wall 42 is placed in the vertical position with its lower edge in the groove 72, so that it rests on the side wall 74 of the groove 72 and on the outer surface 76 of the mold blocks 82.
  • a bevel 93 is provided on the lower edge of the front part 28 of the press beam 20. This results in a bevel 56 of the channel wall 42 when folding.
  • the press beam 20 is then pulled back into the starting position according to FIGS. 2 and 3 and then the hydraulic cylinders 66 are actuated, as a result of which the swivel bending element 14 according to the double arrow 60 from the position shown in solid lines in FIGS. 2 and 3 into the position in dashed lines position 62 is pivoted.
  • the section of the channel wall 42 ′ which bears against the side 40 and the bevel 32 of the press mold is pivoted into the position 42 ′′ shown in broken lines in FIG. 3, the outermost section 43 of the integrally formed flange being parallel to the undeformed section of the channel wall 42 'comes to rest and can be attached to it in a manner known per se, for example by spot welding.
  • the swivel bending element 14 is then swiveled back into the starting position shown in solid lines.
  • the channel wall 42 'with the integrally formed flange 43', 42 ", 43 can then be removed from the device.
  • the operation of the device is extremely simple and not very sensitive, with only lubrication between the bearing surface 54 and the sliding surface 58 having to be carried out for operation.
  • FIGS. 4 and 5 differs from the embodiment shown in FIGS. 1 to 3 essentially by the design of the support part 12 'and the press beam part 10'.
  • the remaining parts of the device insofar as they have the same reference numerals as in FIGS. 1 to 3, function in the manner described above and are essentially of the same design.
  • the pressure beam part 10 ' In order to achieve greater stability of the pressure beam part 10 ', it is designed as a compact, essentially cubic component with an essentially vertical front end face 94 and an essentially vertical rear end face 96. It can be moved back and forth in an upwardly open recess 98 of the support part 12 'in the direction of the double arrow 24.
  • the back and forth movement in the embodiment shown is effected by twelve rear hydraulic pistons 100 arranged at close intervals, which protrude from the rear end face 96 and are supported on an opposite vertical wall 101 of the recess 98, and three rear hydraulic pistons 102 arranged at intervals therebetween. the one from the back Protrude from end face 94 and support itself on an opposite wall 103 of recess 98.
  • the much stronger rear hydraulic pistons 100 are received in corresponding hydraulic cylinders 104 inside the press beam part 10 ', while the weaker front hydraulic pistons 102 are received in corresponding hydraulic cylinders 106 inside the press beam part 10'.
  • the pressure beam part 10 ' is moved back and forth between the position shown in solid lines in FIG. 4 and the position 104' shown in broken lines.
  • the press beam 20 is fastened with its rear end 20 'to the press beam part 10' so that it can be replaced by screws 106 and can therefore be easily replaced when worn.
  • the pivoting of the swivel bending member 14 takes place via swivel arms 64 which are rigidly connected to the swivel arm and which can be swiveled back and forth by actuation of hydraulic cylinders 66 'along the dashed line 108 in FIG.
  • the swivel arms 64 move in slot-like cutouts 110 of the support part 12 '.
  • the hydraulic cylinders 66 ' are connected via hinges 112 to lugs 68' which are rigidly connected to the support part 12 '.
  • the outer ends of the hydraulic pistons 114 accommodated in the hydraulic cylinders 66 ′ are connected to the outer ends of the swivel arms 64 via swivel joints 116.
  • FIGS. 4 and 5 The embodiment shown in FIGS. 4 and 5 is suitable for exerting considerably greater forces on the channel wall 42 to be machined, since in particular the press beam part 10 'is designed to be substantially more compact and thus more resistant than in the embodiment described first. Since much lower forces are required for the retraction movement of the press beam part after the pressbraking, the division into a larger number has been strong rear hydraulic pistons and a smaller number of weaker hydraulic pistons selected. This embodiment is much simpler and has lower manufacturing costs than installing a large number of strong double-acting hydraulic cylinders.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Joints Allowing Movement (AREA)
  • Processing Of Meat And Fish (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Duct Arrangements (AREA)
EP83108854A 1982-10-13 1983-09-08 Dispositif de formage de brides aux conduits d'air Expired EP0106124B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108854T ATE28038T1 (de) 1982-10-13 1983-09-08 Vorrichtung zum anformen von flanschen an luftkanalwandungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823237928 DE3237928A1 (de) 1982-10-13 1982-10-13 Vorrichtung zum anformen von flanschen an luftkanalwandungen
DE3237928 1982-10-13

Publications (3)

Publication Number Publication Date
EP0106124A2 true EP0106124A2 (fr) 1984-04-25
EP0106124A3 EP0106124A3 (en) 1985-04-03
EP0106124B1 EP0106124B1 (fr) 1987-07-01

Family

ID=6175609

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108854A Expired EP0106124B1 (fr) 1982-10-13 1983-09-08 Dispositif de formage de brides aux conduits d'air

Country Status (7)

Country Link
US (1) US4558582A (fr)
EP (1) EP0106124B1 (fr)
AT (1) ATE28038T1 (fr)
AU (1) AU561498B2 (fr)
DE (2) DE3237928A1 (fr)
ES (1) ES526399A0 (fr)
IE (1) IE56027B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427886A1 (fr) * 1989-11-16 1991-05-22 Uemura Metal Industries Co., Ltd. Organe de formage pour pliage angulaire negatif
US7576170B2 (en) 2003-12-19 2009-08-18 Momentive Performance Materials Cyclic siloxane compositions for the release of active ingredients
US7579495B2 (en) 2003-12-19 2009-08-25 Momentive Performance Materials Inc. Active-releasing cyclic siloxanes

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ214551A (en) * 1984-12-20 1987-02-20 Liras Pty Ltd Hydraulic press with"floating"hydraulic cylinder
FR2581573B1 (fr) * 1985-05-08 1993-09-24 Amada Co Ltd Dispositif d'usinage de la tole, en particulier cisaille perfectionnee
US5474437A (en) * 1992-04-24 1995-12-12 Anritsu Corporation Metallic die device for press machine
US5784916A (en) * 1997-02-05 1998-07-28 Umix Co., Ltd. Thin sheet forming die assembly including a lower die having plural parallel rotating cylindrical members
US5746082A (en) * 1997-02-05 1998-05-05 Umix Co., Ltd. Thin sheet forming die assembly including lower die cylindrical member having varied diameters
JP3370628B2 (ja) * 1999-11-15 2003-01-27 ユミックス株式会社 負角成形型
FR2803792B1 (fr) * 2000-01-14 2002-08-16 Dimos Plieuse notamment pour flan plat
US6866579B2 (en) 2002-07-11 2005-03-15 Applied Applications International, Inc. Boot hanger mounting bracket
US7140960B2 (en) * 2002-07-11 2006-11-28 Applied Applications International, Inc. Boot hanger mounting bracket
US7645189B2 (en) * 2002-07-11 2010-01-12 Applied Applications International, Inc. Boot hanger mounting bracket
JP2004042109A (ja) * 2002-07-12 2004-02-12 Umix Co Ltd 負角成形型の回転カム移動装置
US7191631B2 (en) * 2003-11-14 2007-03-20 Tapco International Corporation Sheet metal bending brake with improved hinge
BRPI0609143A2 (pt) 2005-03-17 2011-09-13 Ind Origami Llc folha de material para a formação de uma estrutura estrutural tridimensional, viga oca e armação de exoesqueleto
MX2009002177A (es) * 2006-08-28 2009-03-26 Ind Origami Inc Metodo y aparato para impartir pliegues compuestos en materiales de hojas.
EP2079554A2 (fr) 2006-10-26 2009-07-22 Industrial Origami, Inc. Procédé de transformation de matériau en feuille à deux dimensions en structure à trois dimensions
EP2118553A4 (fr) 2007-02-09 2014-04-16 Ind Origami Inc Structure tridimensionnelle portant une charge
JP4949441B2 (ja) * 2009-08-06 2012-06-06 攻 牧野 プレス曲げ加工用下型及びこれを用いた工具
JP5690950B2 (ja) 2010-12-02 2015-03-25 ノルグレン オートメーション ソーリューションズ エルエルシーＮｏｒｇｒｅｎ Ａｕｔｏｍａｔｉｏｎ Ｓｏｌｕｔｉｏｎｓ，Ｌｌｃ． 円形状カム装置を有する成形型
TW201433375A (zh) * 2012-01-20 2014-09-01 xin-yi Cai 具有導引衝擊單元的沖壓模具
US8936164B2 (en) * 2012-07-06 2015-01-20 Industrial Origami, Inc. Solar panel rack
CN107377788A (zh) * 2017-08-10 2017-11-24 佛山市碧达环保科技有限公司 一种蜂窝电场的圆筒翻边机
US11213878B2 (en) 2019-03-01 2022-01-04 Hvac Inventors/Systemation, Inc. Apparatus and method for forming duct flanges and duct work

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE161949C (fr) *
DE79892C (fr) *
US2362006A (en) * 1943-04-12 1944-11-07 Curtiss Wright Corp Flange forming apparatus
US3044526A (en) * 1960-02-15 1962-07-17 Percy L Cady Jr Brake for forming metal plate and sheet
US3071176A (en) * 1961-01-24 1963-01-01 Askinazy Leo Hemming and crimping die
US3245245A (en) * 1963-04-08 1966-04-12 Gordon Chapman Company Seat support pad and apparatus and method of producing the same
US3400568A (en) * 1965-10-22 1968-09-10 John F Cech Die for making right angles on steel
US3468155A (en) * 1966-11-01 1969-09-23 Davy & United Eng Co Ltd Forging press
DE1962419A1 (de) * 1968-12-13 1970-07-09 Birmingham Small Arms Co Ltd Hochenergiepresse zur Herstellung von Presskoerpern aus Metallpulvern oder aehnlichen Pulvern
US3731514A (en) * 1971-02-07 1973-05-08 A Deibele Cleat bender
DE2123746B2 (de) * 1971-05-13 1974-03-28 Fritz Schaefer Gmbh, 5908 Neunkirchen Falzmaschine
DE2642549A1 (de) * 1976-09-22 1978-03-23 Eckold Vorrichtung Kraftbetriebenes handgeraet
US4185487A (en) * 1978-05-30 1980-01-29 Engel Industries, Inc Side access cleat former apparatus and method of use
US4434644A (en) * 1982-01-13 1984-03-06 Ready Tools, Inc. Rotary bending and forming devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0427886A1 (fr) * 1989-11-16 1991-05-22 Uemura Metal Industries Co., Ltd. Organe de formage pour pliage angulaire negatif
US7576170B2 (en) 2003-12-19 2009-08-18 Momentive Performance Materials Cyclic siloxane compositions for the release of active ingredients
US7579495B2 (en) 2003-12-19 2009-08-25 Momentive Performance Materials Inc. Active-releasing cyclic siloxanes

Also Published As

Publication number Publication date
US4558582A (en) 1985-12-17
ES8405647A1 (es) 1984-06-16
AU2011683A (en) 1984-04-19
ES526399A0 (es) 1984-06-16
EP0106124A3 (en) 1985-04-03
DE3237928A1 (de) 1984-04-19
AU561498B2 (en) 1987-05-07
IE832381L (en) 1984-04-13
EP0106124B1 (fr) 1987-07-01
IE56027B1 (en) 1991-03-27
ATE28038T1 (de) 1987-07-15
DE3372256D1 (en) 1987-08-06

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