GB653251A - Automatic press for the final shaping of objects of moulded cardboard - Google Patents
Automatic press for the final shaping of objects of moulded cardboardInfo
- Publication number
- GB653251A GB653251A GB23778/47A GB2377847A GB653251A GB 653251 A GB653251 A GB 653251A GB 23778/47 A GB23778/47 A GB 23778/47A GB 2377847 A GB2377847 A GB 2377847A GB 653251 A GB653251 A GB 653251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mandrel
- fluid
- matrix
- pressure
- piston
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/04—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles including folding or pleating, e.g. Chinese lanterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/59—Shaping sheet material under pressure
- B31B50/594—Modifying the shape of tubular boxes or of paper bottle necks
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
653,251. Shaping cupped articles. MARGUERAT, G. Aug. 27, 1947, No. 23778. Convention date, May 19, 1943. [Class 100 (ii)] In an automatic press for the final shaping of objects of moulded cardboard by compression of the objects by fluid pressure exerted between a steel matrix and a flexible mandrel, the mandrel is brought into position within the object by mechanical means and the fluid pressure is applied only when the mandrel is in position. - As shown in Fig. 1, the press comprises a slide 31 carrying the expansible mandrel 33 reciprocable on a pair of parallel shafts, one of which is shown at 4, and which are mounted at one end on a support 1 and at the other end in a support 2 in which the matrix carrying head is mounted. Support 1 journals a driving shaft 6 on which are keyed three cams 7, 8, 9 which respectively move the expansible mandrel 33 into position, and operate hydraulic devices producing low and high pressures within a cylinder chamber 35 to effect compression of the object when matrix and mandrel are in operative position. Cam 7 co-acts with a follower 15 to oscillate a bell-crank 13, 10 and by a toggle lever 11 pivoted to the bellcrank at 12, moves the slide 31 so that the mandrel penetrates into the object to be compressed carried by the matrix. Cam 8 co-acts with a roller 17 on a bell-crank 16, 18 and by an intermediate toggle connection 21, 20, 23 and guide 22 drives a piston 25 of a cylinder 26 and thus forces fluid through piping 41, 45 into the chamber 35 in the slide 31 to effect the low pressure expansion of the mandrel. Cam 9 operates, through the medium of roller 28, a piston 29 of a cylinder 30 and drives the fluid through piping 41, 45 to subject the article between the matrix and mandrel to the high pressure. The hydraulic pressures are adjustable by means of the hand-operated piston and cylinder 42, 40. The head of the press is mounted to rotate in 120 degrees steps on a shaft 47 journalled in the support 2 and comprises three radial recesses seating steel matrices composed of half shells 52, 521 held in seating position by a spring-loaded ring 57. To facilitate their ejection after shaping the objects are thrust partially out of their seatings and separated from each other by means of a finger 53 operated by riding on a stationary cam 48 on the shaft 47. In a modification, Fig. 4, the toggle mechanism 10, 11, 12 is operated by a hydraulic jack 39 connected between the elbow of the toggle and a pivot 60 on the support 1. Pressure fluid is supplied to the jack 39 from a pump 38 which supplies a low pressure to operate the piston 61 and a high pressure for the compression of the object by the mandrel 33. The fluid is directed at the low pressure into the jack 39 by one position of a distributer 73 which is operated by a cam 75 and plunger 83, 81 and in the other position of the distributer, fluid is directed at the high pressure through telescopic tubes 74 into the slide 31 carrying the mandrel 33. The low-pressure fluid also operates a cylinder and piston 66, 65 to effect a step-by-step rotation of the matrix-carrying head by means of a rack-andpinion mechanism 67, 69.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR653251X | 1943-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB653251A true GB653251A (en) | 1951-05-09 |
Family
ID=9005755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23778/47A Expired GB653251A (en) | 1943-05-19 | 1947-08-27 | Automatic press for the final shaping of objects of moulded cardboard |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB653251A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2651116A1 (en) * | 2016-07-20 | 2018-01-24 | Telesforo González Maquinaria, Sl | Bending device for casting machine for laminar material box machines (Machine-translation by Google Translate, not legally binding) |
-
1947
- 1947-08-27 GB GB23778/47A patent/GB653251A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2651116A1 (en) * | 2016-07-20 | 2018-01-24 | Telesforo González Maquinaria, Sl | Bending device for casting machine for laminar material box machines (Machine-translation by Google Translate, not legally binding) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1320483A (en) | Metal working crank and slide presses | |
JPH0275433A (en) | Double acting die set for blocked forging | |
FR2086484A1 (en) | Multi plunger speed pressure die casting plant | |
US2001902A (en) | Apparatus for the manufacture of seamless hollow bodies | |
US1952241A (en) | Extrusion press for molding thermoplastic materials | |
GB653251A (en) | Automatic press for the final shaping of objects of moulded cardboard | |
GB1457630A (en) | Precision punch press | |
GB1334948A (en) | Apparatus for forging large shell rings e g for boiler shells | |
GB1215429A (en) | Recoil device for a rotary forging mill | |
GB1252857A (en) | ||
GB786248A (en) | Improvements in or relating to die casting, injection moulding and other pressure machines | |
GB698593A (en) | Apparatus for applying low pressure advance and high pressure squeeze in the hydraulic operation of die casting dies | |
FR2233111A1 (en) | Piercing or embossing machine - uses hydraulic fluid to move punch and die against workpiece before piercing | |
GB588798A (en) | Improvements relating to hydraulic presses | |
SU522885A1 (en) | Device for hydrostatic pressing rods from blanks of unlimited length | |
IE35172L (en) | Hydrostatic extrusion press. | |
GB779284A (en) | Hydraulic forming attachment for presses | |
GB1180306A (en) | Apparatus for Forming a Curved Metal Profiled Section such as an Automobile Bumper | |
JPS5911780B2 (en) | Especially clutch brake devices in plastic processing machines and cutting machines. | |
GB256865A (en) | Improvements in and relating to blank-holders for presses for drawing sheet metal | |
GB1179186A (en) | Workpiece-Ejector Mechanism for Presses. | |
GB258790A (en) | Improvements in and relating to presses for drawing sheet metal | |
GB918913A (en) | Improvements in or relating to extrusion nozzles for extrusion presses | |
GB1142481A (en) | Hydraulic cushion for die presses | |
GB1302596A (en) |