IL41408A - Yarn winding mechanism - Google Patents
Yarn winding mechanismInfo
- Publication number
- IL41408A IL41408A IL41408A IL4140873A IL41408A IL 41408 A IL41408 A IL 41408A IL 41408 A IL41408 A IL 41408A IL 4140873 A IL4140873 A IL 4140873A IL 41408 A IL41408 A IL 41408A
- Authority
- IL
- Israel
- Prior art keywords
- drum
- arm
- friction
- yarn
- friction shoe
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/40—Arrangements for rotating packages
- B65H54/52—Drive contact pressure control, e.g. pressing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
- B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
- B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
- B65H63/0364—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism by lifting or raising the package away from the driving roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to excessive tension or irregular operation of apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
Abstract
1415361 Drum drive control JOSEPH BAN CROFT & SONS CO 31 Jan 1973 11 Feb 1972] 4898/73 Headings D1F and D1J This invention is concerned with a yarn winding apparatus, Fig. 1, in which the yarn package 31 is driven by a drum 38, the pressure between the package and the drum being automatically varied between the limits of full engagement and complete disengagement according to the quantity of yarn that is sensed at the exit end of a yarn treating chamber 10, said sensing means 26 being coupled to control means comprising a rotatable drum 42 and a control linkage 40, 35 connecting the drum 42 with the displaceable one of the package 31 or drum 38. If the package is normally in driving engagement with the drive roll then the apparatus is set to move the drive roll and the package apart when the quantity of yarn at the exit end of the chamber 10 falls below a predetermined value. If the package is not normally in driving engagement with the drive roll then the apparatus is set to move the drive roll and the package into driving relationship when the quantity of yarn at the exit end of the chamber 10 reaches a predetermined value. The movable component may be the package or the driving roll. In Fig. 6 a piston and cylinder unit 51 rocks arm 96 anti-clockwise on receiving a signal from the sensing means 26. This causes friction shoe 97 to engage and rotate drum 42 through an arc'sufficient to cause cable 40 to rock the package 31, Fig. 1, away from the drive roll 38. When the signal ceases the piston and cylinder unit 51 reverts to its original setting and the spring 10 rocks the arm 96 about the pin 95 to ensure that the friction shoe 97 does not engage the drum 42 on this return stroke. There is a spring arrangement associated with the drum 42 to rotate it in a manner taking up any slack that may develop in the cable 40 as the package 31 grows. In Fig. 8 a piston and cylinder unit 130 is pivotally mounted on a plate 125 that carries the drum 121. When the unit 130 receives a signal from the sensing means 26 the piston 132 is forced outwardly so that the friction shoe 133 thereon engages the inner surface of the drum 121 and causes it to rotate by a small value. This rotation is transmitted by the cable 120 to the arm 35 in Fig. 1. When the piston and cylinder unit 130 is not in operation a helical spring 136 causes the drum 121 to take up any slack in the cable 120. Fig. 9 shows an embodiment similar to Fig. 8 except that the previous fricton shoe 133 is replaced by a disc 145 pivotally mounted at the end of an arm 141 carried by a pin 140 fixed to the plate 125. When the piston and cylinder unit 130 is operated the disc 145 rotates clockwise until an adjustable stop 149, 150 thereon strikes arm 141. Thereafter further expansion of the piston and cylinder unit 130 causes the disc 145 to engage the inner surface of the drum 121 and so turn it clockwise. This motion continues until the arm 141 has been raised to a setting in which the pin 140 strikes the bottom of the elongated slot 142. When the piston and cylinder unit 130 retracts, the spring 153 ensures that the disc 145 disengages from the drum 121 during the whole of said retraction. The spring 136 ensures that there is no slack in the cable 120 as the package 31 grows. A further embodiment, Fig. 10 (not shown), is somewhat similar to Fig. 6 except that the piston and cylinder unit (52) oscillates a cam (167) which, when the piston and cylinder unit is extended clamps a friction shoe (171) between the cam (167) and the drum 42 to cause a partial rotation of the drum for continued expansion of the piston and cylinder unit. When the piston and cylinder unit retracts a spring (173) pulls the friction shoe (171) away from the drum. In a further embodiment Figs. 11, 12 and 13 (not shown), expansion of a piston and cylinder unit causes a helical spring (218) encircling a clutch element (214) of a drum (240) to shrink radially on the clutch element (214) and grip it. Further expansion of the piston and cylinder unit then causes the grip of the spring (218) to deliver a partial rotation to the clutch element (214) and then also the drum (240). The drum (240) is coupled by a cable 40 to the arm 35 in Fig. 1. When the piston and cylinder unit retracts the helical spring (218) opens up and releases its grip on the clutch element (214). Stop-motion. If there is a break in the yarn 15, Fig. 1, an arm 33 is then free to rotate clockwise to halt the winding operation. When the arm 33 rotates clockwise it rocks lever 84, Fig. 5, clockwise pulls arm 35 via beam 80. The resulting pull on the arm 35 lifts the package 31 off the drive roll 38 and so stops the windng operation. During normal winding the gradually increasing package diameter rocks the arm 36 clockwise and the ratchet teeth 82a slide over a pawl 85 carried by the lever 84. The stop-motion may also include means to stop the feeding of yarn into the chamber 10 by rolls 18 and 19. Crimping apparatus. The apparatus shown in Fig. 1 in a stuffer crimper, the feed rolls 18, 19 being driven at a constant rate. Roll 19 is biassed towards roll 18 by a weight 20. Back pressure in the crimping chamber 10 is controlled by a choke means 21 applying pressure to the core of crimped yarn 22.
[GB1415361A]
Claims (28)
1. WE CLA IM: 1. A winding mechanism for withdrawing yarn or the like from a treating chamber comprising: a driving roll element driven in rotation by a driving means, . . a rotatable yarn winding element upon which treated yarn is wound, at least one of said elements being movable with respect to the other of said elements, control means for varying the spacing between said yarn winding element and said driving roll element between the limits of full engagement and complete disengagement with one another, said control means comprising: a rotatable drum means., control linkage means connected on the ' one hand to said movable element and on the other hand to said drum means at a point spaced from the axis of rotation of said drum means, so that rotation of said drum means causes movement of said linkage means, sensing means for sensing a predetermined quantity of treated yarn to be wound on said winding element, and means for rotating said drum means in response to said sensing means, whereby said drum means is rotated to operate said linkage means to vary the spacing between said winding element and said driving roll element, thereby increasing or decreasing the rate of winding to maintain the quantity of yarn at said predetermined quantity. .
2. A yarn winding mechanism according to claim 1 wherein said means for rotating said drum means comprises a movable friction shoe engageable with a friction surface carried by said drum means, and means for moving said friction shoe in response to said sensing means.
3. A yarn winding mechanism according to claim 2 further comprising means for limiting the movement of said friction shoe to limit the arc of rotation imparted to said drum means by said friction shoe.
4. A yarn winding mechanism according to claim 2 wherein said friction surface is on the side of said drum means and said friction shoe applies a force component tangential to said side to cause said drum means to rotate in a first direction.
5. A yarn winding mechanism according to claim 1 wherein said drum means is biased in said first direction to remove slack from said linkage means.
6. A yarn winding mechanism according to claim 5 wherein said linkage means is flexible and is attached to the periphery of said drum means, rotation of said drum means in said first direction winding said ■flexible linkage means onto said drum means. *
7. A yarn winding mechanism according to claim 2 wherein said means for moving said friction shoe comprises : a first arm pivotally mounted at one end and extending generally radially of said drum means, the pivot axis of said first arm being substantially parallel to the axis of rotation of said drum means, a second arm pivotally connected at one end to the other end of said first arm and having a pivot axis substantially parallel to the axis of rotation of said drum means, said second arm having a portion adjacent to said friction surface, said friction shoe being mounted on said adjacent portion offset from the pivot axis of said second arm, whereby pivoting of said second arm with respect to said first arm initially causes said friction shoe to engage said friction surface and then causes said second arm and said first arm to pivot together about the pivot axis of said first arm with the interengaging friction shoe and friction surface causing said drum means to rotate, and motor means connected to said second arm for pivoting said second arm.
8. A yarn winding mechanism according to claim 7 wherein the pivot axis of said first arm is coincident with the axis of rotation of said drum means and said first arm extends radially outwardly beyond the periphery of said drum means, and wherein said friction surface is on the outside surface of the side of said drum means and the pivot axis of said second arm is adjacent to said friction surface.
9. A yarn winding mechanism according to claim 8 wherein said friction surface comprises an inwardly generally V- shaped groove and said friction shoe is outwardly generally V-shaped and extends into said groove.
10. A yarn winding mechanism according to claim 2 wherein I ^ said means for moving said friction shoe comprises : a first arm pivotally mounted at one end and extending generally radially of said drum means, the pivot axis of said first arm being substantially parallel to the axis of rotation of said drum means, a second arm pivotally connected at one end to the other end of said first arm and having a cam portion offset from the pivot axis thereof, said cam portion facing said friction surface and being spaced therefrom, said friction shoe being movably mounted interposed between said friction surface and said cam portion adjacent to said friction surface, whereby pivotal movement of said second arm initially causes said cam portion to engage said friction shoe to drive said friction shoe into engagement with said friction surface and then causes said second arm, said friction shoe, and said first arm to pivot together about the pivot axis of said first arm with the interengaging friction shoe and friction surface causing said drum means to rotate, and motor means connected to said second arm for pivoting said second arm. % ¾
11. A yarn winding mechanism according to claim 2 wherein said means for moving said friction shoe comprises: rod m eans attached to said friction .shoe, said rod means positioning said friction shoe adjacent to said friction surface and bd n movable axially and pivotally to engage said friction shoe with said friction surface and to impart rotation to said drum means, whereby axial movement of said rod means initially engages said friction shoe with said friction surfac and continued axial and pivotal movement of said rod means applies a force component to said drum means tangential to said friction surface, and means for moving said rod means in response to said sensing means.
12. A yarn winding mechanism according to claim 11 wherein said means for moving said rod means comprises a pivotally mounted expansible chamber motor and said rod means comprises a piston rod operated by said expe nsible chamber motor. -
13. A. yarn winding mechanism according to claim 12 wherein said friction surface is located on the inside surface of the side of said drum means, and said expansible chamber motor, said piston rod and said friction shoe are mounted said drum means. ' \ . '
14. A yarn winding mechanism according to claim 13 wherein said motor is pivotally mounted at the end opposite said piston rod, 'and further comprising an adjustable stop engaging said motor and limiting the pivotal movement thereof in one direction to establish the normal position of said motor ith said friction shoe spaced from said friction surface, thereby limiting the arc of rotation applied to said drum means.
15. A yarn winding mechanism according to claim 13 wherein tt said friction shoe- comprises a peripheral surface of a disc rotatably mounted on one end of a disc mounting lever, said piston rdd being connected to. said disc at a point spaced from the axis of rotation of said disc, said disc mounting lever being mounted at the other end for pivotal and axial movement, and including means for limiting the arc of rotation applied to said drum means by said friction shoe comprising an adjustable disc stop on said disc engageable with said disc mounting lever to limit the rotation of said disc, whereby axial movement of said piston rod initially rotates said disc until said disc stop engages said disc mounting lever,... and continued , axial movement of said piston rod moves said disc into engagement with said surface and then applies a force tangential to said friction surface to cause said drum means to :rotate, said disc mounting lever then moving axially.
16. A yarn winding mechanism according to claim 15 wherein said disc mounting lever is mounted on a pin and slot connection positioned adjacent to the inner surface of said drum means, said slot being generally aligned with the inner surface of said drum means, said disc mounting lever being biased to hold said disc normally out of engagement with said friction surface. .
17. A yarn winding mechanism according to claim 1 further r comprising: " yarn break sensing means positioned along the path of said yarn between said outlet portion and said yarn winding element, and means actuated by said yarn sensing means connected to . said movable element to disengage said yarn winding element and said driving roll element upon sensing a break in the yarn, said means actuated by said . yarn sensing means comprising: an axially movable beam connected to said ■ · movable element, said beam having a tootned portion, a beam operating arm for moving said beam axially, and a pawl loosely attached to said beam operating arm and engaging said toothed portion to allow a predetermined amount of axial movement of said beam uninhibited by said beam operating arm, whereby movement of said beam operating arm moves said beam by means of said pawl.
18. In combination with a stuffcr crim per apparatus having a crimping chamber and means feeding yarn into said crimping chamber to be crimped against a core of previously crimped yarn, a yarn winding mechanic for withdrawing crimped yarn from said crimping chamber comprising: a driving roll element driven in rotation by a driving means, ■ . ' a rotatable yarn winding element upon which said crimped yarn is wound, one of said elements being fixed and the other of said elements being movable into engagement with said fixed element, a rotatable drum means, sensing means for sensing the quantity of yarn in said crimping chamber as compared to a prede termined quantity, means engageable with said drum means to rotate said drum means in response to said sensing means, and control linkage means connected on the one hand to said movable element and on the other hand to said drum means at a point spaced from the axis of rotation of said drum means, whereby rotation of said drum means operates said linkage means to vary the spacing between said elements.
19. The apparatus according to claim 18 whe rein said means for rotating said drum means comprises a friction shoe engageable with a friction surface carried by the side of said drum means and means for moving said friction shoe in response to said sensing means.
20. The apparatus according to claim 18 wherein said linkage means is. flexible, and further comprising means biasing said drum in a first direction to remove slack from said linkage means.
21. The apparatus of claim 19 wherein said movable element is normally fully engaged with said fixed element and rotation of said drum means operates said linkage means to increase the spacing between said elements.
22. The apparatus according to claim ID wherein said friction surface is on the outside su rface of the side of said drum means and said means for moving said friction shoe comprises : a first arm pivotally mounted at one end and extending radially. of said drum means, the pivot axis of said first arm being substantially parallel to the axis of rotation of said drum means, a second arm pivotally connected to said first arm at a point adjacent to said friction surface, said friction shoe being mounted on said second arm offset from the pivot axis of said second arm and adjacent to said friction surface, whereby pivoting of said second arm with respect to said first arm initially causes said friction shoe to engage said friction surface and then causes said second arm and said first arm to pivot together about the pivot. axis of said first arm with the interengaging friction shoe and friction surface causing said drum means to rotate, and motor means connected to said second arm for pivoting said second arm. . ..
23. The apparatus according to claim 22 further comprising means for limiting the movement of said friction shoe to limit the arc of rotation imparted to said drum means by said friction shoe. ^ .
24. The apparatus according to claim 22 wherein said friction surface comprises an inwardly generally V-shaped groove and said friction shoe is ouhvardly generally V-shaped and extends into said groove.
25. The apparatus according to claim ID wherein said friction surface is on the outside surface of the side of said drum means and snid means for moving said friction shoe comprises: a first arm pivotally mounted at one end and extending radially of; said drum means, the pivot axes of said first arm being substantially parallel to the axis of rotation of said drum means, a second arm pivotally connected at one end of said first arm and having a cam portion offset from the pivot axis thereof, said cam portion facing said friction surface and spaced therefrom, said friction shoe being movably mounted interposed between said cam portion and said friction surface adjacent to said friction surface, whereby pivotal movement of said second arm initially causes said cam portion to' engage said friction shoe to drive said friction shoe into engagement with said friction surface and then causes said second arm, said friction shoe, and said first arm to pivot together about the pivot axis of said first arm with the interengaging friction shoe and friction surface causing said drum means to rotate, and motor means connected to said second arm for pivoting said second arm.
26. The apparatus according to claim 19 wherein said friction -' - ' surface is on the ins ide surface of the side of said drum means and said means for moving said friction shoe comprises: rod means attached to said friction shoe, said rod means positioning said friction shoe adjacent to said friction surface and being axially and pivotally movable to engage said friction shoe with said friction surface and to impart rotation to said drum means, whereby axial movement of said rod means initially engages said friction shoe with said friction surface and continued axial and pivotal movement of said rod means applies a force component to said- drum means tangential- to said friction surface, and means for moving said rod means in response to said sensing means.
27. The apparatus according to claim 26 wherein said means for moving said rod means comprises an expansible chamber motor pivotally mounted in said drum means adjacent to the inside surface thereof, said rod means being the piston rod of said motor.
28. The apparatus according to claim 27 further comprising means for limiting the arc of rotation applied to said drum means by said friction shoe including an adjustable stop engaging said motor and limiting the pivotal movement thereof in one direction to establish the normal position -.of said motor with said friction shoe spaced from said friction surface. 2ί). The apparatus according to claim 27 wherein said friction shoe comprises the peripheral surface of a disc rotatably mounted on one end of a disc mounting lever, s aid piston rod being connected to said dis c at a point spaced from the axis of rotation of said disc, said disc mounting lever being mounted at the other end by a pin and slot connection for pivotal and axial movement, and including means for limiting the arc of rotation applied to' said drum means by said friction shoe comprising an adjustable disc stop on said disc engageable with said disc mounting lever to limit the rotation of said disc, whereby axial movement of said piston rod initially rotates said disc until said disc stop engages said disc mounting lever, and continued axial movement of said piston rod moves said disc into engagement with said friction surface and then applies a force tangential to said friction surface to cause said drum means to rotate, said disc mounting lever then moving axially, > 30o The apparatus according to claim 13 further comprising: yarn break sensing means positioned along the path of said yarn between said crimping chamber and said yarn winding element, and means actuated by said break sensing means connected to said- movable element to disengage said yarn winding element and said driving roll element upon sensing a break in the yarn, said means actuated b said yarn break sensing means comprising: a beam connected to said movable element, . · . said beam having a toothed portion and being movable axially, a beam operating arm for moving said beam axially, said beam operating arm engaging said beam - by means of a pawl loosely attached to said beam operating arm and engaging said toothed portion, said pawl allowing a predetermined amount of axial movement to said beam uninhibited by said beam operating arm. ' f 31. . The apparatus according to claim 1 wherein said means for rotating said drum comprises a first clutch element attached to said drum, a second clutch element operatively connected to rotation means, and clutch engagement means for selectively connecting together said first and second clutch elements when said second clutch element is rotated by said rotation means to thereby rotate both said clutch elements and said drum. 32. The apparatus according to claim 31 wherein said clutch elements comprise first and second generally cylindrical clutch surfaces coaxial with one another, and wherein said clutch engagement means comprises wire spring means coiled about said first and second clutch surfaces and movable between a disengaged position slightly spaced from at least one of said clutch surfaces and an engaged position contacting both of said clutch surfaces to thereby lock said clutch elements together, and further comprising means for moving said spring between said positions. 33. The apparatus according to claim 31 further comprising stop means for limiting the amount of rotation of said drum during activation of said means for moving said spring. 34. The apparatus, according to claim 31 further comprising spring means biasing said drum to take up slack in said cable. For and .on behalf
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22255372A | 1972-02-01 | 1972-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL41408A0 IL41408A0 (en) | 1973-03-30 |
| IL41408A true IL41408A (en) | 1976-03-31 |
Family
ID=22832685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL41408A IL41408A (en) | 1972-02-01 | 1973-01-28 | Yarn winding mechanism |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5130175B2 (en) |
| AR (1) | AR196991A1 (en) |
| BR (1) | BR7203039D0 (en) |
| CA (1) | CA986904A (en) |
| CH (1) | CH570340A5 (en) |
| DE (1) | DE2304504C3 (en) |
| ES (2) | ES411134A1 (en) |
| FR (1) | FR2177732B1 (en) |
| GB (1) | GB1415361A (en) |
| IL (1) | IL41408A (en) |
| IT (1) | IT977138B (en) |
| NL (1) | NL151453B (en) |
| PL (1) | PL89090B1 (en) |
| ZA (1) | ZA73569B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH669177A5 (en) * | 1986-03-17 | 1989-02-28 | Schweiter Ag Maschf | METHOD AND DEVICE FOR REWINDING A THREAD. |
| JP7465743B2 (en) * | 2019-07-30 | 2024-04-11 | Ｔｍｔマシナリー株式会社 | Package Exchange System |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3282517A (en) * | 1964-07-23 | 1966-11-01 | Julian B Chavis | Stop motion for yarn winding machines |
| US3481550A (en) * | 1967-09-06 | 1969-12-02 | Julian B Chavis | Stop motion for yarn winding machine |
-
1972
- 1972-05-15 BR BR3039/72A patent/BR7203039D0/en unknown
- 1972-05-23 AR AR242132A patent/AR196991A1/en active
-
1973
- 1973-01-25 ZA ZA730569A patent/ZA73569B/en unknown
- 1973-01-28 IL IL41408A patent/IL41408A/en unknown
- 1973-01-30 NL NL737301326A patent/NL151453B/en not_active IP Right Cessation
- 1973-01-30 IT IT47961/73A patent/IT977138B/en active
- 1973-01-31 DE DE2304504A patent/DE2304504C3/en not_active Expired
- 1973-01-31 CA CA162,475A patent/CA986904A/en not_active Expired
- 1973-01-31 CH CH137773A patent/CH570340A5/xx not_active IP Right Cessation
- 1973-01-31 ES ES411134A patent/ES411134A1/en not_active Expired
- 1973-01-31 GB GB489873A patent/GB1415361A/en not_active Expired
- 1973-02-01 JP JP48013307A patent/JPS5130175B2/ja not_active Expired
- 1973-02-01 FR FR7303556A patent/FR2177732B1/fr not_active Expired
- 1973-02-01 PL PL1973160526A patent/PL89090B1/en unknown
- 1973-04-24 ES ES414024A patent/ES414024A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7203039D0 (en) | 1974-09-05 |
| AU5153773A (en) | 1974-08-01 |
| ES414024A1 (en) | 1976-03-16 |
| ZA73569B (en) | 1973-10-31 |
| FR2177732A1 (en) | 1973-11-09 |
| IL41408A0 (en) | 1973-03-30 |
| CH570340A5 (en) | 1975-12-15 |
| ES411134A1 (en) | 1976-04-16 |
| FR2177732B1 (en) | 1976-04-30 |
| JPS4896841A (en) | 1973-12-11 |
| GB1415361A (en) | 1975-11-26 |
| CA986904A (en) | 1976-04-06 |
| NL151453B (en) | 1976-11-15 |
| NL7301326A (en) | 1973-08-03 |
| DE2304504A1 (en) | 1973-08-09 |
| DE2304504B2 (en) | 1978-01-12 |
| AR196991A1 (en) | 1974-03-08 |
| JPS5130175B2 (en) | 1976-08-30 |
| IT977138B (en) | 1974-09-10 |
| DE2304504C3 (en) | 1978-09-14 |
| PL89090B1 (en) | 1976-10-30 |
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