CS182758B2 - Drum from plastics - Google Patents

Drum from plastics

Info

Publication number: CS182758B2
Authority: CS; Czechoslovakia
Prior art keywords: plastics; drum
Prior art date: 1970-02-21

Application number

CS7000003432A

Other languages

Czech (cs)

Inventor

Wilhelm Hammes

Original Assignee

Wilhelm Hammes

Priority date (The priority date 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 date listed.)

1970-02-21

Filing date

1970-05-18

Publication date

1978-05-31

1970-02-21 Priority claimed from DE19702008111 external-priority patent/DE2008111C/en

1970-05-18 Application filed by Wilhelm Hammes filed Critical Wilhelm Hammes

1978-05-31 Publication of CS182758B2 publication Critical patent/CS182758B2/en

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
- B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
- B65D45/30—Annular members, e.g. with snap-over action or screw-threaded
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/32—Clamping or other pressure-applying devices for securing or retaining closure members for applying radial or radial and axial pressure, e.g. contractible bands encircling closure member
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00092—Shape of the outer periphery curved circular
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00296—Plastic
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00342—Central part of the lid
- B65D2543/0037—Flexible or deformable
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00342—Central part of the lid
- B65D2543/00398—Reinforcing ribs in the central part of the closure
- B65D2543/00407—Reinforcing ribs in the central part of the closure radial
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
- B65D2543/00518—Skirt
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00611—Profiles
- B65D2543/0062—Groove or hollow bead
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00601—Snapping means on the container
- B65D2543/00675—Periphery concerned
- B65D2543/00685—Totality
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00722—Profiles
- B65D2543/0074—Massive bead
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00592—Snapping means
- B65D2543/00712—Snapping means on the lid
- B65D2543/00787—Periphery concerned
- B65D2543/00796—Totality
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00953—Sealing means
- B65D2543/00962—Sealing means inserted
- B65D2543/00972—Collars or rings

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Closures For Containers (AREA)
Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Containers Having Bodies Formed In One Piece (AREA)

CS7000003432A 1970-02-21 1970-05-18 Drum from plastics CS182758B2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19702008111 DE2008111C (en)		1970-02-21	Lidded barrel

Publications (1)

Publication Number	Publication Date
CS182758B2 true CS182758B2 (en)	1978-05-31

Family

ID=5762973

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CS7000003432A CS182758B2 (en)	1970-02-21	1970-05-18	Drum from plastics

Country Status (16)

Country	Link
US (1)	US3664544A (en)
JP (1)	JPS4821140B1 (en)
AT (1)	AT300649B (en)
BE (1)	BE758265A (en)
CA (1)	CA936497A (en)
CH (1)	CH505736A (en)
CS (1)	CS182758B2 (en)
DD (1)	DD84587A5 (en)
DK (1)	DK151099C (en)
ES (1)	ES157701Y (en)
FR (1)	FR2080676B1 (en)
GB (2)	GB1312687A (en)
NL (1)	NL152810B (en)
NO (1)	NO126519B (en)
SE (1)	SE367374B (en)
ZA (1)	ZA704014B (en)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3811597A (en) *	1972-04-17	1974-05-21	Continental Can Co	Plastic container
US3915330A (en) *	1973-02-26	1975-10-28	Mauser Kg	Lid type drum
US3942677A (en) *	1974-03-13	1976-03-09	Kautex-Werke Reinold Hagen Gmbh	Closures for vessels
US3942679A (en) *	1974-12-20	1976-03-09	Container Corporation Of America	Sealable closure arrangement
DE2649721C3 (en) *	1975-11-05	1981-08-13	Rheem International, Inc., New York, N.Y.	Container and method and apparatus for the manufacture thereof
US4030850A (en) *	1976-08-02	1977-06-21	The United States Of America As Represented By The Secretary Of The Army	Interlocked joint
DE2648209C2 (en) *	1976-10-25	1981-04-16	Schneider Städtereinigung GmbH & Co KG, 6346 Oberscheld	Reinforcement for the straight hanging rail of a rectangular plastic garbage can
US4094432A (en) *	1977-02-09	1978-06-13	Bergen Barrel & Drum Co.	Industrial drums
DE3436948A1 (en) *	1984-10-09	1986-04-10	Karsten 2161 Wischhafen Horstmann	Closure element for jars, bottles, preserves or the like
US4674650A (en) *	1985-10-07	1987-06-23	E. I. Du Pont De Nemours And Company	Container and cover fastening means
US4625890A (en) *	1985-10-09	1986-12-02	Galer Herbert W	Safety closure for open head containers
US4887736A (en) *	1988-04-22	1989-12-19	Cleveland Container Corporation	Sealed container
US4946064A (en) *	1988-04-22	1990-08-07	Cleveland Container Corporation	Sealed container
US5163576A (en) *	1991-06-21	1992-11-17	Galer Herbert W	Lid and container assembly incorporating camming lid application structure
DE4236338C2 (en) *	1992-10-28	1999-12-30	Mauser Werke Gmbh	Drum lid
US7040501B1 (en)	1992-10-28	2006-05-09	Mauser-Werke Gmbh & Co. Kg	Lidded barrel
US5964367A (en) *	1992-10-28	1999-10-12	Mauser-Werke Gmbh	Lidded barrel
IT227015Y1 (en) *	1992-11-27	1997-09-09	Ibsa Inst Biochimique Sa	DOSING DEVICE FOR MULTIDOSE EXEMPORARY SYRUPS FOR PHARMACEUTICAL USE
US5358133A (en) *	1993-03-22	1994-10-25	Eagle Manufacturing Company	Over-pack container for an industrial drum
US5947320A (en) *	1997-12-11	1999-09-07	Containers Accessories, Inc.	Molded drum, lid and ring-clamp system with enhanced containment integrity
FR2778172B1 (en) *	1998-04-29	2000-07-21	Corepe	METAL PACKAGE WITH SAFETY CAPSULE
WO1999061323A2 (en) *	1998-05-28	1999-12-02	Mauser-Werke Gmbh	Barrel with plastic lid
US6685049B1 (en) *	1999-11-19	2004-02-03	Landis Plastics, Inc.	Thin wall closure for use with a container
US7169418B2 (en) *	2001-06-04	2007-01-30	The Procter And Gamble Company	Packaging system to provide fresh packed coffee
US6959831B2 (en) *	2001-07-06	2005-11-01	Greif, Inc.	Gasketless drum
US7137525B2 (en) *	2002-10-21	2006-11-21	Timothy Gibney	Sealable container lid
CO5700164A1 (en) *	2005-07-13	2006-11-30	Chaparro Mario Valderrama	COVER FOR FOOD AND BEVERAGE PROTECTION
US7896185B2 (en) *	2007-03-06	2011-03-01	Kw Plastics	Plastic container having gasketless seal
US20080251515A1 (en) *	2007-04-12	2008-10-16	Baughman Gary M	Container and lid combination with a sealing gasket and closing ring
JP5513393B2 (en) *	2007-10-09	2014-06-04	ザフォルジャーコーヒーカンパニー	Visual vacuum indicator
US20090232947A1 (en) *	2008-03-14	2009-09-17	Gerard Laurent Buisson	Packaging system to provide fresh packed coffee
US8196523B2 (en) *	2009-05-05	2012-06-12	Parker-Hannifin Corporation	Railroad tanker car manway cover seal
US9211969B2 (en) *	2010-02-22	2015-12-15	Medline Industries, Inc	Specimen container
NZ604987A (en) *	2010-06-04	2015-04-24	Threadless Closures Ltd	Closure for a container
US9340330B2 (en)	2010-06-24	2016-05-17	S. C. Johnson & Son, Inc.	Storage container lids

0
- BE BE758265D patent/BE758265A/en not_active IP Right Cessation
1970
- 1970-04-08 FR FR7012686A patent/FR2080676B1/fr not_active Expired
- 1970-04-09 AT AT327970A patent/AT300649B/en not_active IP Right Cessation
- 1970-04-09 DD DD14674870A patent/DD84587A5/en unknown
- 1970-04-16 ES ES1970157701U patent/ES157701Y/en not_active Expired
- 1970-04-23 DK DK206170A patent/DK151099C/en not_active IP Right Cessation
- 1970-04-27 CA CA081209A patent/CA936497A/en not_active Expired
- 1970-04-27 GB GB3985972A patent/GB1312687A/en not_active Expired
- 1970-04-27 GB GB2007670A patent/GB1312686A/en not_active Expired
- 1970-05-18 CS CS7000003432A patent/CS182758B2/en unknown
- 1970-05-25 NL NL707007512A patent/NL152810B/en not_active IP Right Cessation
- 1970-06-06 NO NO2214/70A patent/NO126519B/no unknown
- 1970-06-12 ZA ZA704014A patent/ZA704014B/en unknown
- 1970-07-28 CH CH1140070A patent/CH505736A/en not_active IP Right Cessation
- 1970-08-12 SE SE11000/70A patent/SE367374B/xx unknown
- 1970-12-21 JP JP45114995A patent/JPS4821140B1/ja active Pending
1971
- 1971-02-19 US US116797A patent/US3664544A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DD84587A5 (en)	1971-09-12
GB1312687A (en)	1973-04-04
US3664544A (en)	1972-05-23
FR2080676B1 (en)	1973-10-19
FR2080676A1 (en)	1971-11-19
DK151099B (en)	1987-11-02
ES157701U (en)	1970-06-16
AT300649B (en)	1972-08-10
BE758265A (en)	1971-04-01
ZA704014B (en)	1971-01-27
NL152810B (en)	1977-04-15
NO126519B (en)	1973-02-19
CA936497A (en)	1973-11-06
JPS4821140B1 (en)	1973-06-26
ES157701Y (en)	1975-10-01
GB1312686A (en)	1973-04-04
CH505736A (en)	1971-04-15
SE367374B (en)	1974-05-27
NL7007512A (en)	1971-08-24
DK151099C (en)	1988-04-05

Publication	Publication Date	Title
CS182758B2 (en)	1978-05-31	Drum from plastics
JPS51526A (en)	1976-01-06	Okisazoriruukumarin no seizoho
BG28042A3 (en)	1980-02-25	Elektrical car- highlifter
GB1368490A (en)	1974-09-25	Extruder
GB1369620A (en)	1974-10-09	Radiothermoluminescent materials
IL38157A0 (en)	1972-01-27	N-substituted-2-carboxy-1-azacyclic compounds
CY787A (en)	1976-06-01	Novel phtalimidine compounds
CA929336A (en)	1973-07-03	Drum breader
KE2770A (en)	1977-10-21	Benzobicycloalkane compounds
GB1368079A (en)	1974-09-25	Electrophotographic materials
JPS5192364A (en)	1976-08-13	Goseisenizairyo no kyujinsenshokuho
CA1003261B (en)	1977-01-11	Electrophotographic material
IE35556L (en)	1971-10-06	Aryl amino-imidazolines
ZA711170B (en)	1971-11-24	Penicillins
ZA703289B (en)	1972-01-26	New polymers
AU3731471A (en)	1973-06-28	Bis-triazole compounds
ZA715327B (en)	1972-04-26	Polymers
ZA71533B (en)	1971-10-27	Vulcanisation retraders
ZA711840B (en)	1972-01-26	Pge3-type compounds
ZA713113B (en)	1972-02-23	Substituted octahydroquinazoline-diones
GB1365529A (en)	1974-09-04	Electrophotography
ZA717307B (en)	1972-07-26	Novel alkyl-steroids
AU4883172A (en)	1974-05-16	Stick-classifying
IE34997B1 (en)	1975-10-15	4-piperidylidene-benzocycloheptathiopenes
ZA713734B (en)	1972-01-26	6-deoxy-5-oxytetracycline-5-esters