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US Patent 4387547 - Device for manufacturing packages filled with liquid

US Patent Issued on June 14, 1983
Estimated Patent Expiration Date: Icon_subject October 15, 2000Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

A device for manufacturing packages filled with liquid, including a device for forming a web of paper having a thermo-plastic coating, into a tube which is vertically displaceable step by step in the device from above downwardly. The device also includes longitudinal and transverse embossing devices; sealing jaws working together in pairs for transversely sealing the tube when it is intermittently positioned stationary at intervals corresponding to the length of a package; a pair of cutting blades disposed beneath the sealing jaws a distance equal to the length of the package for separating the package from the tube in the area of a transverse welded seam; and rotatable supporting plates for the package, disposed between the transverse sealing jaws and the pair of cutting blades. In addition, it is preferred that the transverse embossing device be disposed above, and that the forming station be disposed below, a feeding device, so that their movements are coupled together; and that the forming station have movable forming jaws which embrace a given package on all sides. The forming jaws preferably include movable longitudinal measuring jaws as well as transverse measuring jaws which substantially completely enclose the sides of the packages being filled.

Inventor

Assignee

Application

No. 06/197077 filed on 10/15/1980

US Classes:

53/131.5, On continuous web53/551Vertically disposed tube

Field of Search

53/551, Vertically disposed tube53/451, Vertically formed, filled, and sealed tubular package53/552Concurrent severing

Examiners

Primary: Culver, Horace M.

Attorney, Agent or Firm

US Patent References

2113636, 3293824, 3307323, 3325961, 3335540, 3464181, 3738080, 3849965, 3857223, 4199919, Apparatus for producing nearly parallelepipedal packaging containers
Issued on: 04/29/1980
Inventor: Moscatelli
4215520, Apparatus for making, filling, closing and boxing bags
Issued on: 08/05/1980
Inventor: Heinzer ,   et al.
4266389Method and an arrangement for the advancing of a packing material web through a packing machine
Issued on: 05/12/1981
Inventor: Linde ,   et al.

International Classes

B65B 9/20 (20060101)
B65B 9/10 (20060101)

Foreign Application Priority Data

1979-11-15 DE

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