Title:
注口装置を有する流動媒体用パック、流動媒体用パックの製造方法およびこの方法を実行するためのツール
Document Type and Number:
Japanese Patent JP3698434
Kind Code:
B2
Abstract:
A carton (1) for fluids has an upper wall (9) of plastic coated cardboard onto which a pouring device (10) is attached. The pouring device (10) comprises a lower part (11) with at least one hole (14', 15') connected by a hinge (12) to a cover (13) having ≥ one closure cap (16, 17). Holes (14', 15') are surrounded by collars and the closure caps (16,17) have sealing lips which fit over the collars to close the pouring hole. On the underside of the lower part (11) is a connector which extends into the carton (1) through a hole in the upper wall (9) and is welded to either the inner and/or outer faces of the upper wall (9). A claimed mfg.. process involves use of a strip of laminated material with an aluminium coating on the inside. After punching the holes a plastic pouring device (10) is placed over the holes and welded to the upper wall (9). The strip is then shaped, filled and welded. A claimed tool for attaching the pouring device to the top wall (9) includes heating plates which move against the holes in the upper wall (9), have central projections similar in dia. to the sealing lips of the closure cap and have a height greater than the upper wall (9) thickness.
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Inventors:
Futher, Pierre
Application Number:
JP50552295A
Publication Date:
September 21, 2005
Filing Date:
July 10, 1994
Export Citation:
Assignee:
Tetra Laval Holdings and Finance SA
International Classes:
B29C65/18; B29C65/56; B31B1/84; B65D5/74; B65D47/06; B65D47/08; B29C57/12; (IPC1-7): B65D5/74; B31B1/84; B65D47/08
Domestic Patent References:
| JP2127243A | ||||
| JP53087889A | ||||
| JP3246030A | ||||
| JP45024640Y1 | ||||
| JP61091526U | ||||
| JP58076524U |
Foreign References:
| WO1991012181A1 | ||||
| US5102485 | ||||
| WO1992000883A1 | ||||
| DE4100542C2 |
Attorney, Agent or Firm:
Shinichi Ogawa
Takashi Noguchi
Kazuhiko Saishita
Takashi Noguchi
Kazuhiko Saishita