| (19) |
 |
|
(11) |
EP 0 255 780 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
23.11.1989 Bulletin 1989/47 |
| (43) |
Date of publication A2: |
|
10.02.1988 Bulletin 1988/06 |
| (22) |
Date of filing: 30.07.1987 |
|
| (51) |
International Patent Classification (IPC)4: B65D 30/24 |
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
30.07.1986 GB 8618533
|
| (71) |
Applicant: Johnsen & Jorgensen Jaypak Limited |
|
Stoke-on-Trent
Staffs, ST7 2TW (GB) |
|
| (72) |
Inventor: |
|
- Maloney, John
Alsager
Stoke on Trent ST7 2TW (GB)
|
| (74) |
Representative: Wilson, Joseph Martin (GB) et al |
|
Withers & Rogers,
4 Dyers Buildings
Holborn
GB-London EC1N 2JT
GB-London EC1N 2JT (GB) |
|
| |
|
| (54) |
Improved specialist pouch |
(57) There is provided a method of mixing powdered or granular solid material (2) with
a liquid (4) using a mixing bag (1). The bag (1) includes a mouth and an opening (5)
with a non-return valve. In the method the bag is partly filled with a mixture of
the powdered or granular material (2) through the mouth, the mouth is then closed,
the liquid (4) is added through the non-return valve and the bag manipulated to mix
the liquid (4) with the solid material (2). Suitably the non-return valve comprises
a tubular insert (8) sealed into the bag.