US1012547A - Manufacture of hollow-wall vessels. - Google Patents

Manufacture of hollow-wall vessels. Download PDF

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US1012547A
US1012547A US1911635751A US1012547A US 1012547 A US1012547 A US 1012547A US 1911635751 A US1911635751 A US 1911635751A US 1012547 A US1012547 A US 1012547A
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blank
neck
outer
inner
tube
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Orlando J W Higbee
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Orlando J W Higbee
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40Closing vessels

Description

0. J. W. HIGBBE. MANUFAGTUREYOF HOLLDW WALL VESSELS.

. AP PLIUATION FILED JUNE 28, 1911. 1,012,547.

Patented Data 19, 1911.

FIG. 2

FIG. 1

y a A TTORNE Y.

& E 8 m w W ORLANDO J. W. HIGBEE, OF PITTSBURGH, PENNSYLVANIA.

MANUFACTURE 3F HOLLOW-WALD VESSELS.

Specification of Letters Patent.

Patented Dec. 19, 1911.

Application filed June 28, 1911. Serial No. 885,151.

To all whom it may concern:

Be it known that I, ORLANDO J. W. HIG- BEE, a citizen of the United States, and residing in the city of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented or discovered new and useful Improvements in the Manufactureof Hollowall Vessels, of which the following is a specification.

My invention consists in new and useful improvements in the manufacture of hollow wall vessels of glass or similar material, relating particularly to the method of securing the blanks together, the means for preventing vibration of or for cushioning the inner blank, and in the method of establishing and permanently maintaining and protecting a vacuum in the chamber contained in the wall of the vessel.

In the'accompanying drawings, which are merely illustrative of the principles of my invention and not intended to limit the scope thereof to what is therein shown, Figure 1 is a vertical section showing the inner and outer blanks assembled ready to be attached together with the cushion member interposed bcrween the same; Fig. 2 is a similar View showing the blanks attached together, the bottom of the outer blank cut-in or closed, and also showing the method of establishing a vacuum between the blanks; Fig. 3 is a broken plan view looking in the direction of the arrow in Fig. 2; Fig. 4 is an enlarged detail in section showing the method of protecting the vacuum seal; Fig. 5 a perspective showing the form of cap used for such protection, and Fig.6 is a plan view showing the cushion me1'nbor which I interpose between the bodies of the inner and outer blanks to prevent vibration or rupture of the inner blank.

The following is a detailed description of the drawings:

A is the inner blank blown or otherwise formed with a closed bottom and a body preferably upwardly tapered toward the neck 1. Some distance above the shoulder of the blank A the neck 1 is provided with an exterior circumferential lip 2 and preferably a corresponding interior groove or depression 3.'

B is the outer blank preferably pressed or otherwise formed with an open bottom and upwardly tapered body. 4 is the neck of said blank B of a length equal to that of ed to slip over the neck 1. The outer surface of neck 4 is provided at the outer end with a circumferential head 5, and 6 is a similar head at the juncture of said neck with the shoulder of the blank B. The head 6 is of greater diameter than the head 5 and between said heads is located the broken or interru ted thread 7 of a diameter intermediate oi those of said beads. The thread 7 is for securing to the neck of the completed vessel a protecting cap of metal or other material provided with interior threads. During the pressing of blank B a hollow projection or boss 8 is formed on its shoulder, which boss is afterward broken through with a tool, shown in dotted lines in Fig. 1. Surrounding said boss 8 and integral with the blank is an annular flange 9. preferably outwardly flaring but of insuflicient height to interfere with the blank freely rolling when laid on its side.

C is a. cushion member or ring, formed of metal or other suitable material and provided with a plurality of bends or curved portions l0--10 which bear against the walls of the inner and outer blanks when the member C is mounted on the tapered body of blank A and the blanks A and B are assembled.

In assembling and attaching the blanks together, the member C is mounted on the body of blank A, the tapered form of said body maintaining said member at the desired position. The blank A is then inserted in blankB, the neck 4 of said blank B telescoping over the neck 1 of blank A and resting upon the lip 2. The necks of the blanks A and B are then reheated and fused or welded together for their common lengths a suitable tool being preferably used which engages the interior of neck 1 and the beads 5 and 6 on the exterior of neck 4, thus preventing injury to the thread 7. The inner extremities of the bends 1010 of the member C bear against the wall of blank A while the outer extremities of said bends bear against the wall of blank B. thus by their resiliency preventing the vibration of the inner blank and its breakage by any sudden jar or blow on the outer blank. The bottom of blank B is next reheated and cut-in or brought together to inclosc the chamber D between the walls of the two blanks A and B. \Vhere a vacuum is to be established in said chamber 1) I fuse to the open boss 8 a neck 1 of blank A above th 11 2 and ada t- 1 glass tube 11 provided adjacent to its fused end with annular indentation or restriction 12 in its bore. A second tube 13 is now fused to the end of tube 11, said tube 13 being connected with a vacuum pump, not shown, by means of which the air is then IGHIUVEd from the chamber D. When the proper vacuum has been established and while the pump is still connected with the tube 13, I apply a blow flame 14 to the portion 12 of the tube 11, severing said tube and causing the same by the action of the vacuum in chamber D- and the atmospheric pressure without to seal itself against the entrance of air. A suitable cement 15 in plastic state is then filled into the interior of the annular flange 9 to cover and protecf the sealed end of tube 11 and also on "the exterior face of said flange, especially about the base thereof. A metal cap liyhaving an annular flanged? is then pressed down on the flange 9 and the flange 17 clamped or pinched in tightly again?" said flange 9. When the cement 15 my en the vacuum seal is protected by a closure that cannot be disturbed without breakin the vessel. The vessel is now completed. 0 close the vessel after filling the same with contents whose temperature is to be preserved, a cork is inserted in the neck of the vessel, which cork wilt expand slightly and occupy the groove or recess 2, thus preventing the accidental escape of the cork and a metal cap may be screwed down onto the thread 7 to protect the cork and to give the vessel 11 finished appearance.

The advantages of my invention are numerous. Among them may be mentioned the following: By providing the inner blank A with a longer neck than the outer blank B, I lower the body of the inner blank in the chamber D and extend the chamber D up about the shoulder and lower neck of the inner blank, thus better protecting the contents of the vessel and at the same time not impairing the firm attachment of the blank A to the blank B. The provision of the Ii 2 enables the pro er position of the blank to be automatically ad'usted in assembling, serves to hold the blan s in pro or position during the reheating process an provides a better union between the blanks by aiding in preventing injurious vibration of the inner blank. The cushioning member C introduced between theblanks A and B prevents any unusual or excessive jar or blow exerted on the vessel, such as by drop ing the same from a considerable height, ii'om vibrating .or fracturing the inner blank. The desi n of the member C is such that no appreciable efiect is had upon the efliciency ol'the vacuum in chamber D. The method of establishing a vacuum in chamber D and sealing ofi the same is easily accomplished and no danger of impairing the vacuum during the sealing ofi process exists. My

method of protecting the seal is effective and prevents injury which would impair the vacuum and destroy the usefulness of the vessel.

\Vhat I desire to claim is 1. The process of manufacturing hollow wall vessels of glass or similar material which consists in, first, forming a closed bottom inner blank having a neck and an open bottom outer blank having a neck shorter than the neck of the inner blank, second, inserting said inner blank in said outer blank, the neck of said outer blank telescoping the outer portion of the neck of said inner blank and fusing said necks together for the full length of the neck of the outer blank, and, third, closingin the bottom of the outer blank.

2. The process of manufacturing hollow wall vessels of glass or similar material which consists in, first, forming a closed bottom inner blank having a neck and an open bottom outer blank having a neck shorter than the neck of the inner blank, second, inserting the inner blank in the outer blank, the neck of the outer blank telescoping the outer portion of the neck of the inner blank and fusing said, necks together for the full length of the neck of the outer blank, third, closing in the bottom of the outer blank, and, fourth, establishing and sealing oil a vacuum in the space between the walls of said blanks.

3. The rocess of manufacturing hollow wall vesse s of glass or similar material which consists in, first, forming a closed bottom inner blank having a neck, said neck be in provided with an exterior circumferentia lip 8 seed above the shoulder of the blank, an an open bottom outer blank having a neck shorter than the neck of the inner blank, second, inserting the inner blank in the outer blank, the neck of the outer blank telescoping the neck of the inner blank and restingupon said lip, and fusing said necks together for the full length of the neck of the outer blank, and, third, closing in the bottom of the outer blank.

4. The recess of manufacturing hollow wall vesse of glass or similar material which consists in, first, forming a closed bottom inner blank having a neck, said neck being rovided with an exterior circumferential ip spaced above the shoulder of the blank, and an open bottom outer blank having a neck shorter than the neck of the inner blank, second, inserting the inner blank in the outer blank, the neck of the outer blank telescoping the neck of the inner blank and resting upon said li and fusing said necks together for the full length of the neck of the outer blank third, closing inthe bottom of the outer blank, and, fourth, establishing and sealing off a vacuum in the space between. the walls of said blanks.

5. The process of manufacturing hollow wall vessels of glass or similar material which consists in, first, forming outer blank and an inner blank adapted to be inserted in said outer blank, second, mounting on said inner blank a cushioning ring provided with bends whereby it is spaced away from said blank, and, third, assemblin said blanks and fusing together the mout s of the same, the bends in said rin alternately engaging the walls of said blanis.

6. The process of manufacturing hollow wall vessels of glass or similar material which consists 'in, first, forming an outer blank and an inner blank adapted to be inserted in said outer blank, second, mounting on said inner blank a cushioning ring provided with bends whereb it is s aced away from said blank, thir assem ling said blanks and fusing together the mouths of the same, the bends in said rings alternatel engaging the walls of said blanks, an fourth, establishing and sealin ofl' a vacuum between the Walls of said lanks.

7. The process of manufacturing vacuum wall vessels of glass or similar material, which consists in, first, forming a vessel having a wall provided with an inclosedchamher, second, attaching a glass tube to the exterior of said wall surrounding an opening into said chamber, said tube having a contraction in its bore, third, establishin a vacuum in said chamber through said tu e, fourth, severing and sealing'ofi' said tube by heat applied to its contracted portion, and, fifth, securing to said wall a capcovering the sealed,'end of said tube.

8. The process of manufacturing vacuum wall vessels of glass or similar material, which consists 1n, first, formlng a vessel having a wall provided with an inclosed chamber, the outer surface of said wall being provided with an annular flange surrounding an opening into said chamber, second, attaching to said wall about said opening a lass tube, said tube having a contraction in its bore, third, establishing a vacuum in said chamber through said tube, fourth, severing and sealin off said tube by the application of heat to its contracted portion, and, fifth, securing to said flange a can covering the sealed end of said tube. I

9. The recess of manufacturing vacu'um wall vesse s of glass or similar material, which consists in, first, forming a vessel having a wall provided with an inclosed chamber, the outer surface of said wall being rovided with an annular flange surroun ing an opening into said chamber, second, attaching to said wall about said opening a glass tube, said tube having a contraction in its bore, third, establishing a vacuum in said chamber through said tube, fourth, severing and sealing off said tube by the ap lication of heat to its contracted portion, an fourth, providing a covering for the sealed end of said tube to protect the same.

Signed at Pittsburgh, Penna. this 16th day of June 1911.

ORLANDO J. W. HIGBEE.

Witnesses:

T. CHALMERB DUFF, EDWARD A. LAWRENCE.

US1012547A 1911-06-28 1911-06-28 Manufacture of hollow-wall vessels. Expired - Lifetime US1012547A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184601A (en) * 1978-08-17 1980-01-22 Aladdin Industries, Incorporated Microwave safe vacuum insulated containers and method of manufacture
US5855638A (en) * 1993-09-27 1999-01-05 Saint Gobain Vitrage Process for producing a vacuum in an insulating glazing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184601A (en) * 1978-08-17 1980-01-22 Aladdin Industries, Incorporated Microwave safe vacuum insulated containers and method of manufacture
US5855638A (en) * 1993-09-27 1999-01-05 Saint Gobain Vitrage Process for producing a vacuum in an insulating glazing

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