Soda-lime glass from 100% recycled glass-forming materials
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-003/04
C03C-001/00
C03C-004/02
C03C-003/087
C03B-009/00
C03B-025/00
B65D-001/02
출원번호
US-0089066
(2013-11-25)
등록번호
US-9475724
(2016-10-25)
발명자
/ 주소
Brouwer, Robert
출원인 / 주소
Owens-Brockway Glass Container Inc.
인용정보
피인용 횟수 :
0인용 특허 :
9
초록
A method of making soda-lime glass using 100 wt % cullet as the glass forming materials is disclosed. Also disclosed is a soda-lime glass container made according to this method.
대표청구항▼
1. A process of making a soda-lime glass container, which includes the steps of: (a) preparing a soda-lime glass batch that includes cullet, the cullet being pre-sorted by color to have 40-50 wt. % green glass, 40-50 wt. % flint glass, 5-15 wt. % amber glass, 0-2 wt. % blue glass and other colored g
1. A process of making a soda-lime glass container, which includes the steps of: (a) preparing a soda-lime glass batch that includes cullet, the cullet being pre-sorted by color to have 40-50 wt. % green glass, 40-50 wt. % flint glass, 5-15 wt. % amber glass, 0-2 wt. % blue glass and other colored glass, and less than 250 grams/ton of non-soda lime container glass, and wherein the cullet constitutes 100 wt. % percent of the glass-forming materials that are present in the soda-lime glass;(b) melting the soda-lime glass batch into a soda-lime glass melt; and(c) forming a soda-lime glass container from the soda-lime glass melt. 2. The process set forth in claim 1, wherein the cullet comprises post-consumer recycled glass. 3. The process set forth in claim 1, wherein the cullet comprises post-industrial recycled glass. 4. The process set forth in claim 1, wherein soda-lime glass batch further includes secondary, additive materials. 5. The process set forth in claim 4, wherein the secondary, additive materials includes at least one of colorants, decolorants, fining agents, oxidizers, reducers, or a combination thereof. 6. The process set forth in claim 4, wherein the soda-lime glass batch includes at least 98 wt. % cullet and the remainder secondary, additive materials. 7. The process set forth in claim 6, wherein the soda-lime glass batch includes at least 99 wt. % cullet. 8. A process of making soda-lime glass, which includes the steps of: (a) preparing a soda-lime glass batch that includes cullet, the cullet being pre-sorted by color to have 40-50 wt. % green glass, 40-50 wt. % flint glass, 5-15 wt. % amber glass, 0-2 wt. % blue glass and other colored glass, and less than 250 grams/ton of non-soda lime container glass, and wherein the cullet constitutes 100 wt. % percent of the glass-forming materials that are present in the soda-lime glass;(b) melting the soda-lime glass batch into a soda-lime glass melt;(c) forming soda-lime glass from the soda-lime glass melt;(d) annealing the soda-lime glass at a temperature between about 550° C. and about 600° C. for about 30 minutes to about 90 minutes; and(e) cooling the soda-lime glass from the annealing temperature. 9. The process set forth in claim 8, wherein soda-lime glass batch further includes secondary, additive materials. 10. The process set forth in claim 9, wherein the secondary, additive materials includes at least one of colorants, decolorants, fining agents, oxidizers, reducers, or a combination thereof. 11. The process set forth in claim 9, wherein the soda-lime glass batch includes at least 98 wt. % cullet and the remainder secondary, additive materials. 12. The process set forth in claim 8, wherein step (c) comprises forming a soda-lime glass wall into a hollow soda-lime glass container shape that includes a body, a circumferentially-closed base at one end of the body, and a mouth at another end of the body opposite the circumferentially-closed base.
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이 특허에 인용된 특허 (9)
Lehman, Richard L., Automated process for recycling batches of mixed color cullet into amber, green, or flint glass with selected properties.
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