[특허]Method and apparatus for making a series of pocketed coil springs

Method and apparatus for making a series of pocketed coil springs 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-027/08 B32B-031/20 B65B-035/56
출원번호	US-0234240 (1981-07-16)
발명자 / 주소	Stumpf Walter (Munster IN)
출원인 / 주소	Simmons U.S.A. Corporation (Atlanta GA 02)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

A method and apparatus are disclosed for making a series of coil springs pocketed within individual pockets in an elongate fabric strip comprised of two overlying plies capable of being thermally welded together. The fabric strip is fed along a guide path during which compressed coil springs are inserted between the piles with the axes of the springs substantially normal to the planes of the plies, whereafter the fabric plies are thermally welded together longitudinally and transversly to form a series of connected pocketed springs. After thermal welding, the pocketed springs are passed through a turner assembly during which the coil springs are reoriented within the fabric pockets to positions wherein the axes of the springs are transverse to the fabric strip.

대표청구항 ▼

Apparatus for making a series of coil springs pocketed within an elongate stretchable fabric strip comprised of at least two overlying plies capable of being thermally welded together, said apparatus comprising, in combination, means defining a guide path adapted to receive said fabric strip for longitudinal movement therealong, indexing drive means operative to engage and to advance said fabric strip intermittently along said guide path, inserter means adjacent said guide path means and operative to deposit a compressed coil spring between said plies, first thermal weld head means operatively associated with said guide path means and operative to thermally weld said two plies together along at least one weld line longitudinally of said strip adjacent to the edge thereof into which the spring is inserted, second thermal weld head means operatively associated with said guide path means and adapted to thermally weld said two plies together along weld lines transversely of said strip between successive springs, said weld lines defining an individual spring retaining pocket about each of said inserted springs, both of said thermal weld head means being positioned adjacent to said inserter means along said guide path in the direction of movement of said fabric strip to hold the stretchable fabric strip during the insertion of spring between the plies, said first and second weld heads being disposed adjacent to each other and being operated simultaneously to complete the spring retaining pocket at a location immediately adjacent and downstream of said inserter means, means associated with said guide path to maintain said springs in compression between said two plies until after the operation of said weld head means, and control means operatively associated with said indexing drive means, said inserter means, and said first and second weld head means operable to effect operation of said inserter means and said weld head means in unison and in alternate relation with said indexing drive means so as to insert the springs and to form the pockets while said fabric strip is intermittently at rest. A method for making a series of connected pocketed coil springs comprising the steps of intermittently advancing two overlying plies of thermally weldable fabric strip along a predetermined guide path, successively inserting a plurality of compressed coil springs between said two overlying plies of thermally weldable fabric strip when said strip is at rest so that said springs are spaced longitudinally along said strip, maintaining the compression of said springs and thermally welding said fabric plies together with contact pressure simultaneously along weld lines transversely of said strip between successive inserted springs and longitudinally of said strip along the edge thereof into which the springs are inserted when said strip is at rest so as to form a retaining pocket about each of said springs while the springs are compressed and at a location immediately adjacent to and downstream of the insertion of the compressed spring between the plies, said contact pressure holding said edge in place at a location downstream in the advancing direction and closely adjacent to the path of movement of the compressed spring during its insertion.

이 특허를 인용한 특허 (65)

Mossbeck Niels S. ; Wells Thomas J., Adhesive bonding of strings of pocketed coil springs.
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Mossbeck Niels S. ; Wells Thomas J., Adhesive bonding of strings of pocketed coil springs.
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Duwell, Michael J.; DeFranks, Michael S., Adjustable comfort mattress system and processes.
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Obeda Edward G. (Sunset Hill Rd. Brookfield Center CT 06805), Apparatus and method for ultrasonically joining sheets of thermoplastic materials.
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Knöpfel, Hans, Apparatus for forming a tube of pocket material and method for manufacturing a pocket spring string.
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Stumpf Walter (Dunwoody GA), Apparatus for manufacturing pocketed coil springs.
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Gladney, Rick F.; Ling, Kurtis; Kinde, Douglass D., Bed construction with reduced sagging.
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Spinks, Simon Paul; Clare, David, Continuous pocketed spring unit and method of manufacture.
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Bullard, Larry I, Fiber mass with side coil insertion.
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Zysman Milton,CAX, Manufacture of pocket spring assemblies.
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Mossbeck Niels S. ; Wells Thomas J. ; Spinks Simon Paul,GBX, Manufacture of pocketed compound nested coil springs.
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Mossbeck Niels S. ; Wells Thomas J. ; Spinks Simon Paul,GBX, Manufacture of pocketed compound nested coil springs.
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Niels S. Mossbeck ; Thomas J. Wells, Manufacture of pocketed compound nested coil springs.
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Codos, Richard, Mattress.
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Derowitsch, Timothy S.; Reese, Eric S., Mattress manufacturing process and apparatus.
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Subhedar, Vinit V.; Fowler, Gregory; Jan, Francis, Mattress manufacturing process and apparatus.
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Subhedar, Vinit V.; Fowler, Gregory; Jan, Francis, Mattress manufacturing process and apparatus.
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Mossbeck Niels S., Method and apparatus for forming pocketed coil spring mattresses.
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Spinks, Peter Douglas; Spinks, Simon Paul, Method and apparatus for forming spring units.
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Takahashi,Hiroyuki; Kameda,Yuuji, Method and apparatus for producing pocket coil bag row.
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Kuchel, Bernhard W.; Mauldin, Michael W.; DiMarco, Michael, Method and apparatus for storing and transporting strings of pocketed coils.
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Stumpf Walter, Method and apparatus for the manufacture of pocketed springs.
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Roland Graf CH; Niels S. Mossbeck ; Thomas J. Wells, Method and system for forming strings of pocketed coil springs.
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De Santis, Ugo; Graf, Roland; Wells, Thomas J.; Mossbeck, Niels S., Method and system for forming strings of pocketed coil springs with traction mechanism.
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St. Clair Albert R. (Lilburn GA) Brannock Paul H. (Duluth GA), Method for creating strings of pocketed coil springs.
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Stumpf Walter (Dunwoody GA), Method for providing pocketed coil strings having a flat overlap side seam.
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Bullard,Larry I., Method of making resilient structure including inserting heated coil spring through side surface of fiber batt.
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Mossbeck, Niels S.; Moser, Terry W., Method of making slow acting pocketed spring core.
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Wells, Thomas J., Method of manufacturing bedding or seating product having coaxial coil springs.
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Mossbeck, Niels S.; Moser, Terry W., Method of manufacturing slow acting pocketed spring core.
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Moser Terry ; Mossbeck Niels S. ; Wells Thomas J., Multilayered pocketed bedding or seating product.
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Ayers William L., Multiple firmness mattress.
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Codos Richard N., Multiple rate coil spring assembly.
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Gladney Rick F. ; Ling Kurtis ; Kinde Douglass D., One-sided mattress construction.
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Lee, Ki Jong, Packing instrument for a bookbinding spring.
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DeMoss, Larry K.; Thomas, Darin T.; Manuszak, Brian M.; Wallace, Stephen, Pocket coil spring assembly including flexible foam.
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Eto Hiroyuki,JPX, Pocket coil spring structure assembling apparatus.
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Edling,Kenneth; Johansson,Mikael, Pocket mattress with varying height.
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Zysman Milton,CAX, Pocket spring assembly and methods.
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Zysman, Milton, Pocket spring assembly and methods.
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Mossbeck,Niels S., Pocketed bedding or seating product having inflatable members.
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Mossbeck, Niels S., Pocketed bedding or seating product having strings of springs with vertically offset pockets.
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Stumpf Walter (Dunwoody GA), Pocketed coil strings having a flat overlap side seam.
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Mossbeck, Niels S.; Wells, Thomas J., Posturized pocketed bedding or seating product having pockets of differing heights.
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de Santis, Ugo; Graf, Roland; Mossbeck, Niels S.; Wells, Thomas J., Side seam pocketed coil springs.
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Mossbeck, Niels S.; Moser, Terry W., Slow acting pocketed spring core.
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Mossbeck, Niels S.; Moser, Terry W., Slow acting pocketed spring core and method of manufacturing same.
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Mossbeck, Niels S., Slow acting pocketed spring core having cushioning material.
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Mossbeck, Niels S., Slow acting pocketed spring core having fibrous material and sheets glued to pockets.
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Mossbeck, Niels, Slow acting pocketed spring core having fibrous material glued to pockets.
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Mossbeck, Niels S., Slow acting pocketed spring core having fill material inside pockets.
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Gibbons Frank,GBX, Spring assemblies for mattresses and the like.
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Gibbons, Francis, Spring units for mattresses and the like.
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Palma, Jaime, Staging cart for transporting mattresses.
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Mossbeck Niels S. ; Wells Thomas J., System and method for adhesive bonding of strings of pocketed springs.
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Roland Graf CH; Thomas J. Wells, System for forming strings of pocketed coil springs.
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Stumpf Walter (Dunwoody GA), Ultrasonic separation apparatus.
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Method and apparatus for making a series of pocketed coil springs 원문보기

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Method and apparatus for making a series of pocketed coil springs 원문보기

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