ES8506552A1 - Treating sealing surface of glass container - Google Patents
Treating sealing surface of glass containerInfo
- Publication number
- ES8506552A1 ES8506552A1 ES531804A ES531804A ES8506552A1 ES 8506552 A1 ES8506552 A1 ES 8506552A1 ES 531804 A ES531804 A ES 531804A ES 531804 A ES531804 A ES 531804A ES 8506552 A1 ES8506552 A1 ES 8506552A1
- Authority
- ES
- Spain
- Prior art keywords
- sealing surface
- oxide
- openings
- complex
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Abstract
Sealing surface of a rim opening of a glass container is treated with a precursor of tin oxide or titanium oxide to form a tin or titanium oxide coating on the surface. A chromium (III) organic metallic complex is then applied to the surface. - The sealing surface is designed to contain a thermoplastic membrane closure which is adhered to a metal face and held by a snap cap. The closure is heated by induction coils to seal to surface; the treatment improves the adhesion. In an example, glass jars were sealed with ethylene-methacrylic acid ionomer (cf. Der 35086 E/17). DEAB- DE3301500 C The openings of glass containers leaving a moulding machine are prepared for closing by a thermoplastic membrane by (A) coating the hot sealing surface of the openings with an Si and/or Ti oxide forming cpd. opt. together with an S oxide (precursor) and an F cpd. decomposing at the operating temp. of 430-650 deg.C, (B) annealing and cooling the containers and (C) applying an organo-Cr(3) complex to the cold surface of the container openings. - A Cr(3) complex of a 4-10C trans acid HOOC(R)C=C(R)COOH is pref. used, where each R is independently H, alkyl, -CH2COOH or Ph. The acid is esp. fumaric acid.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33943082A | 1982-01-15 | 1982-01-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8506552A1 true ES8506552A1 (en) | 1985-08-01 |
ES531804A0 ES531804A0 (en) | 1985-08-01 |
Family
ID=23328976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES531804A Granted ES531804A0 (en) | 1982-01-15 | 1984-04-18 | PROCEDURE FOR PREPARING THE FINISHING SURFACE OF A GLASS CONTAINER WITH SIDE WALLS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES531804A0 (en) |
-
1984
- 1984-04-18 ES ES531804A patent/ES531804A0/en active Granted
Also Published As
Publication number | Publication date |
---|---|
ES531804A0 (en) | 1985-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20050228 |