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US3837069A
Expired / Lapsed
US
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Method of securing fittings or plates onto containers or container portions and a machine for carrying out the method
Assignee: Individual
•
Filing: 1972-11-01
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Granted: 1974-09-24
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Expires: 1992-11-01
Abstract
Abstract A method and machine for applying securing fittings or plates onto container and container components wherein the plates are formed from a continuous strip of stock by first stamping the strip with the necessary securing tabs, severing the completed fittings or plates from the strip and immediately thereafter directly applying the fittings or plates to the container or container components.
Inventors
- 👤 H Nordgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:42
CPC Classifications
B; B27; B27F; B27F7/00; B27F7/15; B27F7/155; B21; B21D; B21D53/00; B21D53/38; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798; Y10T29/49826; Y10T29/49833; Y10T29/49835; Y10T29/51; Y10T29/5176; Y10T29/53; Y10T29/53313; Y10T29/53383; Y10T29/53396; Y10T29/5343
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
120 words
A method of securing elements of the type including fittings and plates to container members including containers of the type including cases, packing, goods containers and the like and parts composing such containers said method including the steps of feeding a strip from a supply, forming on the strip securing tabs drivable into the member, and shearing off a length of the strip having securing tabs thereon thus forming a securing element of a suitable length, said method being characterized by securing the securing element onto the container members in question in timed relation with the method step wherein the strip is shorn off and as part of a continuous step-by-step operation including said feeding, tab forming and shearing steps.
Claim 2
Independent Claim
120 words
A method of securing elements of the type including fittings and plates to container members including containers of the type including cases, packing, goods containers and the like and parts composing such containers said method including the steps of feeding a strip from a supply, forming on the strip securing tabs drivable into the member, and shearing off a length of the strip having securing tabs thereon thus forming a securing element of a suitable length, said method being characterized by securing the securing element onto the container members in question in timed relation with the method step wherein the strip is shorn off and as part of a continuous step-by-step operation including said feeding, tab forming and shearing steps.
Claim 3
Dependent Claim
93 words
A method according to claim 1, characterized in that the securing tabs are formed by stamping out in a first step a first series of securing tabs in the strip, the securing element is formed by shearing off the strip having formed thereon a second series of securing tabs in a second step, and the clenching of said securing element onto the container member in question is effected in a third step, all of said first, second and third steps occurring simultaneously but for different portions of the strip and different securing elements.
Claim 4
Dependent Claim
42 words
A method according to claim 2, characterized by carrying out the stamping as well as the shearing and clenching during one and the same unidirectional working stroke in a movable tool comprising a stamp means, a shearing means and a press means.
Claim 5
Dependent Claim
38 words
A method according to claim 1 wherein the feeding of the strip from the supply is a stepwise feeding, the strip being by each step fed a length equal to the length of the securing element in question.
Claim 6
Dependent Claim
29 words
A method according to claim 1, characterized by the securing element being imparted with a V-formed cross sectional profile in connection with the clenching thereof onto the container member.
Claim 7
Dependent Claim
39 words
A method according to claim 1, characterized by turning edge portions of the strip relative to the plane of the strip preferably in connection with the forming of the securing tabs on the strip for penetration into the body.
Claim 8
Dependent Claim
94 words
A machine for joining container and like members, said machine including at least means providing a supply of strip, stamp means for stamping securing tabs in the strip, shearing means for severing a predetermined length of the strip having formed thereon securing tabs to form a securing element of a suitable length, said machine being characterized by press means for pressing the formed securing elements onto the container members in connection with the operation of the machine following the formation of the securing element by the severing of the strip through the shearing means.
Claim 9
Dependent Claim
94 words
A machine for joining container and like members, said machine including at least means providing a supply of strip, stamp means for stamping securing tabs in the strip, shearing means for severing a predetermined length of the strip having formed thereon securing tabs to form a securing element of a suitable length, said machine being characterized by press means for pressing the formed securing elements onto the container members in connection with the operation of the machine following the formation of the securing element by the severing of the strip through the shearing means.
Claim 10
Dependent Claim
43 words
A machine according to claim 7, characterized in that the stamp means as well as the shearing means and the press means are disposed on a movable common tool which is reciprocatable towards and away from a cooperative stationary frame of the machine.
Claim 11
Dependent Claim
29 words
A machine according to claim 8, characterized in that the movable tool consists of an elongate, beam like body which is movable transverse to its longitudinal extension, preferably vertically.
Claim 12
Dependent Claim
61 words
A machine according to claim 8 characterized in that the press means includes a slide mounted on said tool in the vicinity of one end thereof, said slide being movable towards and away from said frame with said tool, and a suitable backing element cooperable with said slide mounted on said frame in the vicinity of one end of the frame.
Claim 13
Dependent Claim
44 words
A machine according to claim 1, characterized in that the slide has a V-formed recess formed with two press surfaces, and in that the backing has a V-formed support portion having two support surfaces directed towards the slide and cooperable with said press surfaces.
Claim 14
Dependent Claim
36 words
A machine according to claim 11, characterized in that the angle between the press surfaces of the slide together with the angle between the support surfaces of the support portion forms a total angle of 360*.
Claim 15
Dependent Claim
28 words
A machine according to claim 11, characterized in that the angle between the support surfaces is 270* whereas the angle between the press surfaces is less than 90*.
Claim 16
Dependent Claim
43 words
A machine according to claim 10, characterized in that a retainer is provided on the slide to retain and guide the sheared off securing element relative to the slide during the time till the clenching of the securing element onto the container member.
Claim 17
Dependent Claim
93 words
A machine according to claim 14, characterized in that the retainer includes at least two holder means inclined relative to each other, which are movable in slots in the slide between a first position projecting out of the slide in which the distance between adjacent portions of the holder means is less than the width of the securing element to retain the securing element, and a second position in which the distance between adjacent portions of the holder means is greater than the width of the securing element to release the securing element.
Claim 18
Dependent Claim
26 words
A machine according to claim 15, characterized in that the holder means are movable from the second to the first position under the action of gravity.
Claim 19
Dependent Claim
26 words
A machine according to claim 15, characterized in that the holder means are movable from the second to the first position under the action of springs.
Claim 20
Dependent Claim
52 words
A machine according to claim 15, characterized in that the slide has a V-formed recess formed with two press surfaces, and in that the backing element has a V-formed support portion having two support surfaces and being directed towards the slide, and the holder means are disposed immediately adjacent to the recess.
Claim 21
Dependent Claim
91 words
A machine according to claim 14, characterized in that the slide has a V-formed recess formed with two press surfaces, and in that the backing element has a V-formed support portion having two support surfaces and being directed towards the slide, and the retainer consists of two grooves, opposite to each other, in the press surfaces of the recess, the distance between the grooves being greater than the width of the strip prior to its bending but less than the distance between the edges of the securing element after its bending.
Claim 22
Dependent Claim
18 words
A machine according to claim 10 characterized in that the backing includes an arm projecting from the frame.
Claim 23
Dependent Claim
55 words
A machine according to claim 20, characterized in that a support member is provided at one end of the arm directed away from the frame, said support member being movable between a rest position out of contact with the arm and a working position in which the support member supports said end of the arm.
Claim 24
Dependent Claim
80 words
A machine according to claim 10, characterized in that the shearing means consists of a first edge provided on the slide, said edge being movable relative to a second edge provided on the frame, said second edge being disposed at a distance from the backing element of the press means to sever the strip on the movement of the slide towards the backing element into a plate separated from the strip prior to clenching the plate into the container portions.
Claim 25
Dependent Claim
47 words
A machine according to claim 10, characterized in that the shearing means consists of knife means connected to the movable tool, said knife means being adapted to shear off the strip against an edge provided on the frame and spaced from the backing of the press Means.
Claim 26
Dependent Claim
30 words
A machine according to claim 8, characterized in that the stamping means includes a plurality of stamping members selectively dismountable and matching bores in a die provided on the frame.
Claim 27
Dependent Claim
48 words
A machine according to claim 24, characterized by said stamping means including a plurality of stamp holders which each carries a group of said stamping and which are detachably connected to the movable tool, for example by means of clamp means clamping the stamp holders to the tool.
Claim 28
Dependent Claim
37 words
A machine according to claim 24, characterized in that a stripper is provided between the stamping means and the die to remove the strip from the stamping members after the stamping of securing tabs in the strip.
Claim 29
Dependent Claim
75 words
A machine according to claim 26, characterized in that the stripper consists of a stripper plate having bores for the stamping members, said stripper plate being connected to the movable tool by springs, preferably compression springs, tending to move the stripper plate and the strip in a direction away from the stamping members, the stamping members being movable through said bores against the action of the springs when the stripper plate abuts against the die.
Claim 30
Dependent Claim
61 words
A machine according to claim 26, characterized in that the stripper has a depression to which corresponds an elevation in the die, the elevation having a lesser width than the strip to penetrate on stamping into the depression and convert the edge portions of the strip so as to make the same bent relative to a center portion of the strip.
Claim 31
Dependent Claim
45 words
A machine according to claim 24, characterized in that at least one spring body is connected to the die to maintain the strip spaced from the upper side of the die and thereby avoid that the securing tabs will come into contact with the die.
Claim 32
Dependent Claim
37 words
A machine according to claim 29, characterized in that the spring body disposed next to the shearing means has a guide element, for example a plate spring, for guiding the strip into the retainer of the slide.
References Cited (Backward Citations)
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GB471160A
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US2311961A
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GB877822A
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US3212694A
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US3524242A
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US3705452A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |