EP0321179A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Casting method
Assignee: Unilever PLC
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Filing: 1988-12-13
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Granted: —
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Expires: 2008-12-13
Abstract
Abstract Soap, a non-soap detergent or a mixture of both is cast directly into bars by casting into a pack made out of flexible film, airtightly sealing the pack while filling thereof is still liquid or semi-liquid and allowing to set. Preferably the pack is sealed by sealing through an excess of the filling material.
Inventors
- 👤 Terry Instone
- 👤 Richard Barrie Edwards
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 15:39
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/14; B; B65; B65B; B65B9/00; B65B9/02; B65B9/023; B65B3/00; B65B3/04; C11D13/16; C11D17/00; C11D17/0047; C11D17/0052; C11D17/04; C11D17/041; C11D3/00; C11D3/16
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
72 words
Method of casting a material comprising soap, a non-soap detergent or a mixture thereof the method comprising filling the material in a liquid or semi-liquid state into a pack made at least substantially of a flexible film, airtightly sealing the pack while the material is still liquid or semi-liquid allowing the material to set to a substantially solid state and retaining the set material in the pack as an airtight storage means.
Claim 2
Dependent Claim
72 words
Method of casting a material comprising soap, a non-soap detergent or a mixture thereof the method comprising filling the material in a liquid or semi-liquid state into a pack made at least substantially of a flexible film, airtightly sealing the pack while the material is still liquid or semi-liquid allowing the material to set to a substantially solid state and retaining the set material in the pack as an airtight storage means.
Claim 3
Dependent Claim
40 words
Method according to claim 1 wherein the pack comprises two layers of its constituent film sealed together along a seam at the boundary of the pack, defining a bag or sachet with an opening through which to fill the material.
Claim 4
Dependent Claim
20 words
Method according to claim 1 or claim 2 wherein the material occupies substantially the whole internal volume of the pack.
Claim 5
Dependent Claim
21 words
Method according to any one of the preceding claims wherein sealing of the pack is effected by sealing through the material.
Claim 6
Dependent Claim
17 words
Method according to any one of the preceding claims including forming the pack immediately prior to filling.
Claim 7
Dependent Claim
25 words
Method according to claim 5 wherein the sealing step defines at the same time at least a portion of the next pack to be filled.
Claim 8
Dependent Claim
51 words
Method according to any one of the preceding claims wherein sealing of the pack is effected by sealing through an excess of the material to form a seam which seals the pack wholly filled with the material and defines a portion of the boundary of the next pack to be filled.
Claim 9
Independent Claim
31 words
A method according to any one of the preceding claims including distending the pack with internal pressure to shape the pack for obtaining a close fit to the material filled therein.
Claim 10
Dependent Claim
14 words
Method according to any one of the preceding claims wherein the pack is heat-extendible.
Claim 11
Dependent Claim
15 words
Method according to any one of claims 1 to 9 wherein the pack is heat-shrinkable.
Claim 12
Dependent Claim
20 words
Method according to any one of claims 1 to 9 including at least partly shaping the pack prior to filling.
Claim 13
Dependent Claim
29 words
Method according to any one of the preceding claims including contacting the exterior of the pack to control the shape of the pack during the setting of the material.
Claim 14
Dependent Claim
30 words
Bar, tablet, block, cake or the like of soap, non-soap detergent or mixture thereof airtightly sealed in a pack by a method according to any one of the preceding claims.
References Cited (Backward Citations)
FR1064427A
Cited
DE1149846B
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US3245197A
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FR1597253A
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US4090342A
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FR2332906A1
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EP0244084A2
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