US3633331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging machine
Assignee: Individual
•
Filing: 1970-04-30
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Granted: 1972-01-11
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Expires: 1990-04-30
Abstract
Abstract A packaging machine for the fabrication, filling and closing at all sides of sealed flat packages formed of heat-sealable material and for packaging granulate, fibrous, or foliated pourable material, comprising an infeed container for the material to be packaged, a quantity-dosing device, a sealing station for forming the packages from at least one continuously infed band and a cutting station for cutting the interconnected or coherent band which is equipped with sealing seams. According to the invention the dosing device embodies a predosing mechanism equipped with an adjustable vane for regulating the pouring height of the material upon a dosing wheel having an infinite drive. Arranged after the dosing wheel is a vane or impeller wheel driven by an indexing mechanism and equipped with a horizontal shaft, this impeller wheel serving as a portioning dosing device. Further, in order to manufacture the packages at the sealing station composed of two heatable sealing rollers, there is introduced from two sides a respective band member which is scanned by photocell means and which are regulated to travel in synchronism with one another by adjustment or control means.
Inventors
- 👤 Erwin Reichlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:51
CPC Classifications
B; B65; B65B; B65B41/00; B65B41/18
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
303 words
A packaging machine for the production, filling, and closing of substantially flat packages which are sealed at all sides and formed from heat-sealable band material and for packaging granular, fibrous or foliated pourable materials, comprising infeed container means for the pourable material to be packaged, a quantity dosing mechanism disposed after and in material flow communication with said infeed container means for dosing the pourable material received from said infeed container means, said dosing mechanism incorporating a predosing device and a finedosing device for the pourable material, said fine-dosing device including a dosing wheel member, an infinitely variable drive mechanism for said dosing wheel member for selectively regulating the rotational speed thereof to control the fine dosing of the pourable material, said predosing device incorporating adjustable vane means selectively positionable with respect to the other surface of the dosing wheel to form therewith an adjustable dosing gap for controlling the pour height of the pourable material onto said dosing wheel member and to thus control the coarse dosing of the pourable material, said dosing mechanism further including an impeller wheel possessing a plurality of material receiving pockets of constant size and arranged after said dosing wheel member for dispensing portions of said pourable material, means for selectively indexing said impeller wheel to control the size of the material portions received in said constant size pockets of said impeller wheel, a sealing station for forming packages from two heat-sealable bands arranged beneath and in material flow communication with said quantity dosing mechanism, said sealing station comprising a pair of cooperating heatable sealing rolls, means for delivering said two heat-sealable bands beneath said quantity dosing mechanism in a position to receive pourable material therefrom and to said sealing rolls, and means for ensuring for synchronous travel of said two heat-sealable bands to said sealing station.
Claim 2
Dependent Claim
303 words
A packaging machine for the production, filling, and closing of substantially flat packages which are sealed at all sides and formed from heat-sealable band material and for packaging granular, fibrous or foliated pourable materials, comprising infeed container means for the pourable material to be packaged, a quantity dosing mechanism disposed after and in material flow communication with said infeed container means for dosing the pourable material received from said infeed container means, said dosing mechanism incorporating a predosing device and a finedosing device for the pourable material, said fine-dosing device including a dosing wheel member, an infinitely variable drive mechanism for said dosing wheel member for selectively regulating the rotational speed thereof to control the fine dosing of the pourable material, said predosing device incorporating adjustable vane means selectively positionable with respect to the other surface of the dosing wheel to form therewith an adjustable dosing gap for controlling the pour height of the pourable material onto said dosing wheel member and to thus control the coarse dosing of the pourable material, said dosing mechanism further including an impeller wheel possessing a plurality of material receiving pockets of constant size and arranged after said dosing wheel member for dispensing portions of said pourable material, means for selectively indexing said impeller wheel to control the size of the material portions received in said constant size pockets of said impeller wheel, a sealing station for forming packages from two heat-sealable bands arranged beneath and in material flow communication with said quantity dosing mechanism, said sealing station comprising a pair of cooperating heatable sealing rolls, means for delivering said two heat-sealable bands beneath said quantity dosing mechanism in a position to receive pourable material therefrom and to said sealing rolls, and means for ensuring for synchronous travel of said two heat-sealable bands to said sealing station.
Claim 3
Dependent Claim
31 words
A packaging machine as defined in claim 1, further including a cutting station for cutting the heat-sealable bands which are connected to one another at said sealing station into individual packages.
Claim 4
Dependent Claim
31 words
A packaging machine as defined in claim 1, wherein said delivery means incorporates mechanism for delivering each respective heat-sealable band from one side of said sealing station to said sealing rolls.
Claim 5
Dependent Claim
86 words
A packaging machine as defined in claim 1, wherein said means for ensuring for synchronous travel of said two heat-sealable bands comprises photocell means for scanning each of said bands and an adjustment mechanism for controlling the speed of travel of each of said bands, said adjustment mechanism for controlling the synchronous travel of each band comprising a head member provided with an apertured plate subjected to negative pressure and for applying suction to the associated band to thereby apply a braking force to such band.
Claim 6
Dependent Claim
102 words
A packaging machine as defined in claim 1, wherein said infeed container means is provided with a feed opening, said adjustable vane means of said predosing device being disposed at the region of the crown of said dosing wheel member and said feed opening of said infeed container means, said feed opening of said infeed container means, viewed in the direction of rotation of said dosing wheel member, being situated in front of said crown of said dosing wheel member, and gate means for sealing said feed opening of said infeed container means towards the discharge side of said dosing wheel member.
Claim 7
Dependent Claim
18 words
A packaging machine as defined in claim 2, wherein said cutting station is equipped with cutting roll means.
Claim 8
Dependent Claim
43 words
A packaging machine as defined in claim 6, wherein said adjustable vane means, said dosing wheel member, said impeller wheeL, said bands, said sealing rolls and said cutting roll means each possess a width sufficient to permit the simultaneous production of two packages
Claim 9
Dependent Claim
40 words
A packaging machine as defined in claim 1, further including a drive shaft for at least one of said sealing rolls, and a curved gear coupling arrangement for hingedly connecting at least said one sealing roll with said drive shaft.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |