US110873A - Improvement in apparatus for boiling and treating paper-stock - Google Patents

Improvement in apparatus for boiling and treating paper-stock Download PDF

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Publication number: US110873A
Authority: US; United States
Prior art keywords: stock; boiling; improvement; treating paper; treating
Prior art date: 1871-01-10
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 - Lifetime

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Publication date

1871-01-10

1871-01-10 Application granted granted Critical

1871-01-10 Publication of US110873A publication Critical patent/US110873A/en

1888-01-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye

US110873D Improvement in apparatus for boiling and treating paper-stock Expired - Lifetime US110873A (en)

Publication Number	Publication Date
US110873A true US110873A (en)	1871-01-10

Application Number	Title	Priority Date	Filing Date
US110873D Expired - Lifetime US110873A (en)			Improvement in apparatus for boiling and treating paper-stock

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US (1)	US110873A (en)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2606114A (en) *	1946-11-01	1952-08-05	Sidney D Wells	Continuous pulp digester
US20100071171A1 (en) *	2004-08-17	2010-03-25	Alexx, Inc.	Key locator
US9131758B2 (en)	2004-08-17	2015-09-15	The Finding Ip Holding Company Llc	Key locator with a container

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2606114A (en) *	1946-11-01	1952-08-05	Sidney D Wells	Continuous pulp digester
US20100071171A1 (en) *	2004-08-17	2010-03-25	Alexx, Inc.	Key locator
US8672002B2 (en)	2004-08-17	2014-03-18	The Finding Ip Holding Company Llc	Key locator
US9131758B2 (en)	2004-08-17	2015-09-15	The Finding Ip Holding Company Llc	Key locator with a container

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