# US 4,391,381 A · Paint-coated bottle

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- Number: US 4,391,381 A
- Document ID: US4391381A
- Status: Granted
- Kind: A
- Application number: 06/351,393
- Filed: 1982-02-22
- Granted: 1983-07-05
- Earliest claimed: 1978-02-02
- Assignees: Yoshino Kogyosho Co., Ltd.
- Inventors: Akiho Ota; Fumio Negishi
- Web page: https://patentgrep.com/patent/US4391381A

## CPC

- B05D 7/56: {Three layers or more}
- B05D 5/066: {achieved by multilayers}
- B05D 7/02: to macromolecular substances, e.g. rubber (treatment or coating of shaped articles made of macromolecular substances C08J7/00)
- B65D 23/0814: {characterised by the composition of the material}
- Y10T 428/1352: Polymer or resin containing [i.e., natural or synthetic]
- Y10T 428/31797: Next to addition polymer from unsaturated monomers
- B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02)
- B65D: CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The present invention relates to a bottle formed of a saturated polyester resin, and to a method of coating the bottle with a decorative paint coating adapted to adhere to the bottle without peeling. The decorative coating is prepared by coating the bottle in sequence with a primer layer, an undercoat layer, a decorative paint layer, and a protective top coat layer.

## Claims

### Claim 1

A paint-coated bottle formed of a saturated polyester resin, comprising: a chlorinated primer layer applied to the exterior surface of the bottle; an acrylic undercoat layer applied to said primer layer; and a decorative paint layer applied to said undercoat layer, said paint layer being prepared by adding a pigment to titanium nitride.

### Claim 2 (depends on 1)

A bottle as set forth in claim 1, wherein said decorative paint layer is formed form a polarized pearl paint which is prepared by adding a transparent or blue pigment to titanium nitride.

### Claim 3 (depends on 1, 2)

A bottle as set forth in claim 1 or 2, wherein said primer layer consists of a chlorinated polyolefin.