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US3866737A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for the continuous transfer of longitudinally extending workpieces

Assignee: Dr Carl Hahn GmbH
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Filing: 1972-01-10
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Granted: 1975-02-18
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Expires: 1992-01-10
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Abstract

Abstract A method for the continuous transfer of longitudinally extending workpieces of like dimension to a high speed receiving means which comprises axially transferring serially disposed workpieces at a definite graduation transversely to the direction of transport, clamping the workpieces, feeding the workpieces to a transfer station, and thereafter transferring said workpieces in a direction transverse to their longitudinal axis into a receiving means; an apparatus for said method utilizing, in a preferred embodiment, chain-like transport and transfer elements and specially designed workpiece carrying means adapted to grasp the workpiece and to deposit the workpiece into a recess on a receiving means, suitably a blister drum.

Inventors

  • 👤 Stefan Simon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:11
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/32; B65G17/323; B65B; B65B35/00; B65B35/30; B65B35/40; B65B35/405; B65G2201/00; B65G2201/02

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 398 words
An apparatus for the continuous transfer of longitudinally extending tampons of compressed absorbent fiber material of like dimension to a high-speed receiver means, which apparatus comprises a driveable shaft carrying a first transfer drum disposed theeabout, said transfer durm provided with at least one transfer mandrel, means for displacing said transfer mandrel concentrically and longitudinally parallel to the drum axis, a chain-like element provided with sleeve-like tampon receiver means, said receiver means forming extensions of hollow hinge pins, said sleeve-like receiver means extending from the chain in the direction of a workpiece carrying means, an endless transfer element having mounted thereon workpiece carrying means having a slot therein, each of which workpiece carrying means is in the form of a trough-like member having an inside cross section smaller than the cross section of the tampon to be carried and elastic long sides forming clamping jaws which can enclose around the tampon to a point above a longitudinal axis through its center, said workpiece carrying means at least at its end remote from and facing said first transfer drum being closed to substantially the full height of the tampon to be carried so that the closed end of the workpiece carrying means facing said first transfer drum, in the transfer position thereof, forms a substantially closed transfer passage with said receiver means, a second transfer drum carrying said endless transfer element, said chain-Like element and said endless transfer element trained with respect to one another, said transfer mandrel and said means for displacing said transfer mandrel such that in the area of end-toend alignment of said receiver means with said workpiece carrying means said means for displacing said transfer mandrel moves said transfer mandrel concentrically and longitudinally parallel to said drum axis whereby said transfer mandrel transfers a tampon from said receiver means to said workpiece carrying means, said apparatus having a reversing shaft on which said second transfer drum is mounted rigidly said second transfer drum carrying, at least in part, said endless flexible element, said second drum provided with transfer push-rods mounted at identical angular distance and means for displacing said push-rods radially outward through a slot in the workpiece carrying means, a revolvable drum having depressions provided on the periphery thereof, said drum disposed in facing relationship to said second transfer drum whereby tampons can be serially ejected from said workpiece carrying means into said depressions.
Claim 2
Independent Claim 398 words
An apparatus for the continuous transfer of longitudinally extending tampons of compressed absorbent fiber material of like dimension to a high-speed receiver means, which apparatus comprises a driveable shaft carrying a first transfer drum disposed theeabout, said transfer durm provided with at least one transfer mandrel, means for displacing said transfer mandrel concentrically and longitudinally parallel to the drum axis, a chain-like element provided with sleeve-like tampon receiver means, said receiver means forming extensions of hollow hinge pins, said sleeve-like receiver means extending from the chain in the direction of a workpiece carrying means, an endless transfer element having mounted thereon workpiece carrying means having a slot therein, each of which workpiece carrying means is in the form of a trough-like member having an inside cross section smaller than the cross section of the tampon to be carried and elastic long sides forming clamping jaws which can enclose around the tampon to a point above a longitudinal axis through its center, said workpiece carrying means at least at its end remote from and facing said first transfer drum being closed to substantially the full height of the tampon to be carried so that the closed end of the workpiece carrying means facing said first transfer drum, in the transfer position thereof, forms a substantially closed transfer passage with said receiver means, a second transfer drum carrying said endless transfer element, said chain-Like element and said endless transfer element trained with respect to one another, said transfer mandrel and said means for displacing said transfer mandrel such that in the area of end-toend alignment of said receiver means with said workpiece carrying means said means for displacing said transfer mandrel moves said transfer mandrel concentrically and longitudinally parallel to said drum axis whereby said transfer mandrel transfers a tampon from said receiver means to said workpiece carrying means, said apparatus having a reversing shaft on which said second transfer drum is mounted rigidly said second transfer drum carrying, at least in part, said endless flexible element, said second drum provided with transfer push-rods mounted at identical angular distance and means for displacing said push-rods radially outward through a slot in the workpiece carrying means, a revolvable drum having depressions provided on the periphery thereof, said drum disposed in facing relationship to said second transfer drum whereby tampons can be serially ejected from said workpiece carrying means into said depressions.
Claim 3
Dependent Claim 300 words
Apparatus for the continuous transfer of longitudinally extending workpieces of like dimension to a high-speed receiving means, which apparatus comprises a driveable shaft carrying a first transfer drum disposed thereabout, said transfer drum provided with at least one transfer mandrel. means for displacing said transfer mandrel concentrically and longitudinally parallel to the drum axis, an endless flexible transport element on which is mounted a receiver means for workpieces and adjacent thereto an endless transfer element having mounted thereon workpiece carrying means; a second transfer drum carrying said endless transfer element, said endless flexible transport element and said endless transfer element trained with respect to one another, said transfer mandrel and said means for displacing said transfer mandrel, such that in the area of end-to-end alignment of said receiver means with said workpiece carrying means said means for displacing said transfer mandrel moves said transfer mandrel concentrically and longitudinally parallel to said drum axis whereby said transfer mandrel transfers a workpiece from said receiver means to said workpiece carrying means, said transport element being a chainlike element provided with a sleeve-like receiver elements which form extensions of hollow hinge pins, said sleeve-like receiver elements extending from the chain in the direction of the workpiece carrying means, said workpiece carrying means being trough-like and having an inside cross section smaller than the cross section of the workpiece to be carried and having elastic longitudinal sides forming projecting clamping jaws which can enclose a majority of the workpiece about a longitudinal axis through its center, said workpiece carrying means being closed at its end remote from and facing said first transfer drum to at least even with the projecting longitudinal axis, said workpiece carrying means also having a bearing surface having the shape of the end face of the workpiece to be carried.
Claim 4
Dependent Claim 300 words
Apparatus for the continuous transfer of longitudinally extending workpieces of like dimension to a high-speed receiving means, which apparatus comprises a driveable shaft carrying a first transfer drum disposed thereabout, said transfer drum provided with at least one transfer mandrel. means for displacing said transfer mandrel concentrically and longitudinally parallel to the drum axis, an endless flexible transport element on which is mounted a receiver means for workpieces and adjacent thereto an endless transfer element having mounted thereon workpiece carrying means; a second transfer drum carrying said endless transfer element, said endless flexible transport element and said endless transfer element trained with respect to one another, said transfer mandrel and said means for displacing said transfer mandrel, such that in the area of end-to-end alignment of said receiver means with said workpiece carrying means said means for displacing said transfer mandrel moves said transfer mandrel concentrically and longitudinally parallel to said drum axis whereby said transfer mandrel transfers a workpiece from said receiver means to said workpiece carrying means, said transport element being a chainlike element provided with a sleeve-like receiver elements which form extensions of hollow hinge pins, said sleeve-like receiver elements extending from the chain in the direction of the workpiece carrying means, said workpiece carrying means being trough-like and having an inside cross section smaller than the cross section of the workpiece to be carried and having elastic longitudinal sides forming projecting clamping jaws which can enclose a majority of the workpiece about a longitudinal axis through its center, said workpiece carrying means being closed at its end remote from and facing said first transfer drum to at least even with the projecting longitudinal axis, said workpiece carrying means also having a bearing surface having the shape of the end face of the workpiece to be carried.
Claim 5
Dependent Claim 119 words
An apparatus according to claim 2 wherein said workpiece carrying means has a slot therein, and said apparatus has a reversing shaft provided with a second transfer drum mounted rigidly thereto, said transfer drum carrying, at least in part, said endless flexible transfer element, said apparatus provided with at least one transfer push-rod mounted at identical angular distance in respect of a slot in said workpiece carrying means and means for displacing said push-rod radially outward through said slot in the workpiece carrying means, said apparatus further comprising a drum receiving means in facing relationship to said second transfer drum, said drum receiving means having depressions on the periphery thereof, whereby workpieces can be serially ejected into said depressions.
Claim 6
Dependent Claim 109 words
An apparatus according to claim 2 wherein said apparatus further comprises a drum cam, and undeRcut guide grooves positioned over the periphery of said transfer drum concentrically and parallel to the drum axis at identical angular distances over said periphery, said apparatus having pushers, the ousides of which carry at each of their two ends a wheel, each of which wheels is responsive to said drum cam, said pushers each provided with a transfer mandrel projecting from the end face of the pusher parallel with the guide groove over a length which corresponds at least to the width of said transport element and the length of said receiver means.
Claim 7
Dependent Claim 41 words
An apparatus according to claim 4 wherein two drum cams are located at an interval around said first transfer drum, said drum cams being of two-part construction and positioned without clearance against the wheels positioned on the ends of said pushers.
Claim 8
Dependent Claim 38 words
An apparatus according to claim 2 further comprising pinions and supporting wheels provided with transverse grooves, said receiver means and said workpiece carrying means supported on said wheels said supporting wheels located alongside one another between said pinions.
Claim 9
Dependent Claim 75 words
An apparatus according to claim 3 wherein said apparatus comprises a wheel and said second transfer drum is provided with thrust springs braced in the interior thereof, said thrust springs at their outer end bearing under outwardly directed initial tension radially directed to the axis of said second transfer drum, each of said thrust springs bearing on a transfer-push rod, each of said push rods braced on a rotatable cam by means of said wheel.
Claim 10
Dependent Claim 35 words
An apparatus according to claim 3 wherein said receiver means has a depression therein and the receiver means, the workpiece carrying means and the depression in the receiving means are sized to accomodate a tampon.
Claim 11
Dependent Claim 67 words
An apparatus according to claim 2 wherein a receiving means has a depression therein, said workpiece carrying means is at least at its closed end remote from and facing said first transfer drum closed the full thickness of the workpiece to be carried so that the closed end of the workpiece carrying means, in the transfer position thereof, forms a substantially closed transfer passage with said depression.
Claim 12
Dependent Claim 43 words
An apparatus according to claim 3 wherein each slot in said workpiece carrier is provided midway across the width of the workpiece carrying means and extends at least over the middle of the length of the long sides which function as clamping jaws.
Claim 13
Dependent Claim 43 words
An apparatus according to claim 10 wherein each slot in said workpiece carrying means has a closed end and each slot extends as far as its closed end where it is widened to approximately the largest diameter of the workpiece to be carried.
Claim 14
Independent Claim 289 words
An apparatus for the continuous transfer of longitudinally extending workpieces of like dimension to a high-speed receiving means, which apparatus comprises a driveable shaft carrying a first transfer drum disposed thereabout, said transfer drum provided with at least one transfer mandrel, means for displacing said transfer mandrel concentrically and longitudinally parallel to the drum axis, an endless flexible transport element on which is mounted a receiver means for workpieces and adjacent thereto an endless transfer element having mounted thereon workpiece carrying means each of which has a closed end, workpiece carrying means carried on said endless transfer a second transfer drum carrying said endless transfer element, said endless flexible transport element and said endless transfer element trained with respect to one another, said transfer mandrel and said means for displacing said transfer mandrel such that in the are of end-to-end alignment of said receiver means with said wokpiece carrier means said means for displacing said transfer mandrel moves said transfer mandrel concentrically and longitudinally parallel to said drum axis whereby said transfer mandrel transfers a workpiece from said receiver means to said workpiece carrying means, the closed end of the workpiece carrying means Being angled in the plane of rotation of the transfer element, said transfer element being chain-like, the angled part of the workpiece carrying means being constructed to correspond to the side plate of a link of the chain-like transfer element and carrying at trough-shaped part of the workpiece carrying means between two points of articulation of the angled part, said transport element being a chain-like element which is provided with sleeve-like receiver means which form extensions of hollow hinge pins, said sleeve-like receiver elements extending from the chain in the direction of the workpiece carying means.
Claim 15
Independent Claim 289 words
An apparatus for the continuous transfer of longitudinally extending workpieces of like dimension to a high-speed receiving means, which apparatus comprises a driveable shaft carrying a first transfer drum disposed thereabout, said transfer drum provided with at least one transfer mandrel, means for displacing said transfer mandrel concentrically and longitudinally parallel to the drum axis, an endless flexible transport element on which is mounted a receiver means for workpieces and adjacent thereto an endless transfer element having mounted thereon workpiece carrying means each of which has a closed end, workpiece carrying means carried on said endless transfer a second transfer drum carrying said endless transfer element, said endless flexible transport element and said endless transfer element trained with respect to one another, said transfer mandrel and said means for displacing said transfer mandrel such that in the are of end-to-end alignment of said receiver means with said wokpiece carrier means said means for displacing said transfer mandrel moves said transfer mandrel concentrically and longitudinally parallel to said drum axis whereby said transfer mandrel transfers a workpiece from said receiver means to said workpiece carrying means, the closed end of the workpiece carrying means Being angled in the plane of rotation of the transfer element, said transfer element being chain-like, the angled part of the workpiece carrying means being constructed to correspond to the side plate of a link of the chain-like transfer element and carrying at trough-shaped part of the workpiece carrying means between two points of articulation of the angled part, said transport element being a chain-like element which is provided with sleeve-like receiver means which form extensions of hollow hinge pins, said sleeve-like receiver elements extending from the chain in the direction of the workpiece carying means.

References Cited (Backward Citations)

US3128881A Cited
US2571531A Cited
US2823789A Cited
US3039587A Cited
US3601242A Cited
US3631965A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-17 1978-08-19 1979-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-17 1982-08-19 1983-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-17 1986-08-19 1987-02-18 $7700.00 Window Closed / Lapsed

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