US2062646A - Method of framing double face pocketbook mirrors - Google Patents
Method of framing double face pocketbook mirrors Download PDFInfo
- Publication number
- US2062646A US2062646A US62842A US6284236A US2062646A US 2062646 A US2062646 A US 2062646A US 62842 A US62842 A US 62842A US 6284236 A US6284236 A US 6284236A US 2062646 A US2062646 A US 2062646A
- Authority
- US
- United States
- Prior art keywords
- mirrors
- flange
- double face
- pocketbook
- mirror
- 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 - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
- B32B17/1022—Metallic coatings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49915—Overedge assembling of seated part
Definitions
- This invention relates to the manufacture of the small mirrors used in pocketbooks, handbags, vanity cases and the like, and particularly to the so-called double face type of mirror.
- the double face mirrors now in use consist of two glass mirrors cemented in back-to-back relation.
- the exposed edges and corners of these two layers of glass are objectionable, particularly if -the two layers are not in exact register or the glasses are not of the same exact size.
- These glasses must be relatively thick to stand the handling' to which they are subjected.
- the shellac which is usually employed to cement the mirrors together has a tendency to attack the silver backings of the two mirrors.
- the objects of the present invention are to overcome and eliminate the above and other faults common to the present form of mirrors and to provide a small double face mirror in which the edges and corners will be smoothly covered and reinforced, enabling use of desirably thin glass and in which the mirrors will be held together without the need for any intervening adhesive.
- Fig. 1 is a longitudinal sectional view of a thin sheet metal blank from which the frame of the' mirror is made.
- Fig. 2 is a similar View showing the blank drawn to provide a seat for the mirror elements.
- Fig. 3 is a top plan view showing the drawn blank trimmed and punched.
- Fig. 4 is a longitudinal sectional view showing the edge flanges of the trimmed blank turned up in line with the drawn portion.
- Fig. 5 is a longitudinal sectional view of the completed article with the flanges turned inward over the edge of the upper mirror element.
- Fig. 6 is a perspective and broken sectional view of one of the completed mirrors.
- the blank shown at 1, Fig. l may be considered as part of a continuous sheet or strip or as a separate detached element and preferably it is of a thin, ductile sheet metal, which will draw readily to the form shown in Fig. 2, where the center of the blank is depressed to the outline of the mirrol', with an outstanding marginal flange left at 8.
- the blank goes through trimming and punching operations, in which the outstanding flange 8 is trimmed to a narrow edge flange 9, Fig. 3, discontinuous or separated by notches I 0, cut in at the corners to substantially the beginning of the drawn wall I I.
- the center of the blank is punched out, leaving only' a narrow continuous marginal edgeange I2.
- the next operation usually is to turn the discontinuous trimmed and notched flange made up of the elements 9, upward or into line with the drawn wall II, as in Fig.v4. This may readily be effected by forcing the blank, which at this stage has become an open frame, through a sofcalled push through die.
- This frame is then ready to receive the mirror elements I3, I4, which are located in back-toback relation in the frame resting against a continuous retaining flange I 2.
- the final step consists in folding the notched discontinuous flange in over the edges of the eX- posed mirror I3, as shown in both Figs. 5 andf6.
- the removal of material at the corners enables the flange sections 9, to meet smoothly, as showri in Fig. 6.
- the shape of the notches Ill may vary with different shapes of frames, designed as they are to remove excess material which would result from the folding in of the retaining flange.
- the drawing produces a frame which is tough and strong, even though of light metal and this so reinforces the mirrors that comparatively thin glass may be used.
- These mirrors on the other hand, have the effect of reinforcing the light metal frame so that by the cooperative action, a double face mirror is produced, which though quite thin is stronger and better adapted toresist breakage than the thicker mirrors now in use.
- the blank is drawn to a depth approximately equal to the combined thickness of the two mirror elements and the discontinuous retaining flange is cut in to the drawn wall, so that when closed over the mirror edge, it will clamp and hold the mirrors against any slippage or movement in the frame.
- This rm holding effect enables a certain latitude in the size of the mirrors, that is, they need not be cut With such care and exacti-
- the mirror of this invention actually is more attractive and presents a better, neater and more finished appearance.
- the frame structure may be so narrow as not to take away any appreciable mirror surface and it may be enamelled, plated, colored or otherwise treated to' add to the attractiveness of the article.
- the various steps of manufacture may be performed as described, or they may be modied in accordance with special requirements or machine practice. Thus several or all of the operations described may be combined in one press or forming and punching machine and the mirrors and frames may be assembled as soon as the centers are punched out or only just before the discontinuous retaining flange is folded in. The claim therefore should be considered in this light.
- the drawn portion of the frame between the continuous and the discontinuous retaining flanges at opposite sides of the same provides a particularly strong and tough reinforcement about the edges of the mirrors, resisting breakage from dropping or careless handling of the mirror.
- This intermediate drawn portion between the flanges is rounded at the corners as particularly appears in Figs. 3 and 6, and the flanges are preferably bent with rounded edges, so that no sharp corners or edges are present at any part of the mirror.
- the frame is so lighm and flexible that close tting sharp cornered mirror elements may be forced therein, the tight t thus obtained between the sharp cornered mirror elements and the round cornered frame being advantageous in securing the parts together against any possible relative shifting of mirror elements and frame.
- the method of framing double face pocketbook mirrors comprising the following steps; drawing a circumscribed area of sheet material in a shape corresponding to the shape of the article to be framed and to a depth approximating the total thickness of such article, trimming the surrounding material about the drawn wall to a width corresponding to the desired width of a flange for confining the article in the frame and notching said flange inwardly to substantially the beginning of said drawn wall in shape to enable the notched edges to meet smoothly when said flange is subsequently folded down over the inserted article, punching out the center of the drawn area at a distance inward from the drawn wall corresponding to the desired width of a flange for supporting the article in the frame, folding the surrounding trimmed and notched confining flange portion into substantial continuation of said drawn wall, seating the article in said drawn portion resting on said supporting flange and continuing the folding of said notched rim flange inwardly over into substantially conning engagement with the article resting on said supporting flange.
Description
Dec. 1, 1936. J H FOX 2,062,646
METHOD OF FRAMING DOUBLE FACE POCKETBOOK MIRRORS Filed Feb. 7, 1936 JOSEPH H. Fox
lNvaN-roR A TORNEY Patented Dec. 1, 1936 UNITED STATES METHOD OF FRAMING DOUBLE FACE POCKETBOOK MIRRORS Joseph H. Fox, Long Island City, N. vY.
Application February 7, 1936, Serial No. 62,842
1 Claim.
This invention relates to the manufacture of the small mirrors used in pocketbooks, handbags, vanity cases and the like, and particularly to the so-called double face type of mirror.
The double face mirrors now in use consist of two glass mirrors cemented in back-to-back relation. The exposed edges and corners of these two layers of glass are objectionable, particularly if -the two layers are not in exact register or the glasses are not of the same exact size. These glasses must be relatively thick to stand the handling' to which they are subjected. The shellac which is usually employed to cement the mirrors together has a tendency to attack the silver backings of the two mirrors.
The objects of the present invention are to overcome and eliminate the above and other faults common to the present form of mirrors and to provide a small double face mirror in which the edges and corners will be smoothly covered and reinforced, enabling use of desirably thin glass and in which the mirrors will be held together without the need for any intervening adhesive.
Other objects and the novel features of construction, combinations and relations of parts will appear as the specification proceeds.
The drawing accompanying and forming part of the specification illustrates steps in the manufacture and a complete embodiment of the invention, but it should be understood that the method and structure may be modified and changed within the true intent and broad scope of the claim.
Fig. 1 is a longitudinal sectional view of a thin sheet metal blank from which the frame of the' mirror is made.
Fig. 2 is a similar View showing the blank drawn to provide a seat for the mirror elements.
Fig. 3 is a top plan view showing the drawn blank trimmed and punched.
Fig. 4 is a longitudinal sectional view showing the edge flanges of the trimmed blank turned up in line with the drawn portion.
Fig. 5 is a longitudinal sectional view of the completed article with the flanges turned inward over the edge of the upper mirror element.
Fig. 6 is a perspective and broken sectional view of one of the completed mirrors.
The blank shown at 1, Fig. l may be considered as part of a continuous sheet or strip or as a separate detached element and preferably it is of a thin, ductile sheet metal, which will draw readily to the form shown in Fig. 2, where the center of the blank is depressed to the outline of the mirrol', with an outstanding marginal flange left at 8.
After the drawing operation, the blank goes through trimming and punching operations, in which the outstanding flange 8 is trimmed to a narrow edge flange 9, Fig. 3, discontinuous or separated by notches I 0, cut in at the corners to substantially the beginning of the drawn wall I I. As a part of or as a separate operation,- the center of the blank is punched out, leaving only' a narrow continuous marginal edgeange I2. y'
The next operation usually is to turn the discontinuous trimmed and notched flange made up of the elements 9, upward or into line with the drawn wall II, as in Fig.v4. This may readily be effected by forcing the blank, which at this stage has become an open frame, through a sofcalled push through die.
This frame is then ready to receive the mirror elements I3, I4, which are located in back-toback relation in the frame resting against a continuous retaining flange I 2.
The final step consists in folding the notched discontinuous flange in over the edges of the eX- posed mirror I3, as shown in both Figs. 5 andf6. The removal of material at the corners enables the flange sections 9, to meet smoothly, as showri in Fig. 6. f
The shape of the notches Ill, may vary with different shapes of frames, designed as they are to remove excess material which would result from the folding in of the retaining flange.
The drawing produces a frame which is tough and strong, even though of light metal and this so reinforces the mirrors that comparatively thin glass may be used. These mirrors on the other hand, have the effect of reinforcing the light metal frame so that by the cooperative action, a double face mirror is produced, which though quite thin is stronger and better adapted toresist breakage than the thicker mirrors now in use.
To insure a firm holding of the mirrors, the blank is drawn to a depth approximately equal to the combined thickness of the two mirror elements and the discontinuous retaining flange is cut in to the drawn wall, so that when closed over the mirror edge, it will clamp and hold the mirrors against any slippage or movement in the frame. This rm holding effect enables a certain latitude in the size of the mirrors, that is, they need not be cut With such care and exacti-| tude as heretofore required.
In addition to having the continuous, smooth edges and corners and being thinner, lighter and yet stronger than mirrors now in use, the mirror of this invention actually is more attractive and presents a better, neater and more finished appearance. The frame structure may be so narrow as not to take away any appreciable mirror surface and it may be enamelled, plated, colored or otherwise treated to' add to the attractiveness of the article. The various steps of manufacture may be performed as described, or they may be modied in accordance with special requirements or machine practice. Thus several or all of the operations described may be combined in one press or forming and punching machine and the mirrors and frames may be assembled as soon as the centers are punched out or only just before the discontinuous retaining flange is folded in. The claim therefore should be considered in this light. While small mirrors of parallelogram shape are the usual form desired, it will be understood that the invention is adapted to and contemplates mirrors of any shape. The drawn portion of the frame between the continuous and the discontinuous retaining flanges at opposite sides of the same provides a particularly strong and tough reinforcement about the edges of the mirrors, resisting breakage from dropping or careless handling of the mirror. This intermediate drawn portion between the flanges is rounded at the corners as particularly appears in Figs. 3 and 6, and the flanges are preferably bent with rounded edges, so that no sharp corners or edges are present at any part of the mirror. The frame is so lighm and flexible that close tting sharp cornered mirror elements may be forced therein, the tight t thus obtained between the sharp cornered mirror elements and the round cornered frame being advantageous in securing the parts together against any possible relative shifting of mirror elements and frame.
What is claimed is:
The method of framing double face pocketbook mirrors, comprising the following steps; drawing a circumscribed area of sheet material in a shape corresponding to the shape of the article to be framed and to a depth approximating the total thickness of such article, trimming the surrounding material about the drawn wall to a width corresponding to the desired width of a flange for confining the article in the frame and notching said flange inwardly to substantially the beginning of said drawn wall in shape to enable the notched edges to meet smoothly when said flange is subsequently folded down over the inserted article, punching out the center of the drawn area at a distance inward from the drawn wall corresponding to the desired width of a flange for supporting the article in the frame, folding the surrounding trimmed and notched confining flange portion into substantial continuation of said drawn wall, seating the article in said drawn portion resting on said supporting flange and continuing the folding of said notched rim flange inwardly over into substantially conning engagement with the article resting on said supporting flange.
JOSEPH I-I. FOX.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62842A US2062646A (en) | 1936-02-07 | 1936-02-07 | Method of framing double face pocketbook mirrors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62842A US2062646A (en) | 1936-02-07 | 1936-02-07 | Method of framing double face pocketbook mirrors |
Publications (1)
Publication Number | Publication Date |
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US2062646A true US2062646A (en) | 1936-12-01 |
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Application Number | Title | Priority Date | Filing Date |
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US62842A Expired - Lifetime US2062646A (en) | 1936-02-07 | 1936-02-07 | Method of framing double face pocketbook mirrors |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468568A (en) * | 1945-09-27 | 1949-04-26 | Safetee Glass Company | Laminated mirror |
US2493393A (en) * | 1948-08-02 | 1950-01-03 | Entpr Railway Equipment Co | Construction of outlet frames for hoppers |
US2678252A (en) * | 1953-05-08 | 1954-05-11 | Oscar R Swearingen | Toilet cabinet |
US2684261A (en) * | 1948-05-12 | 1954-07-20 | Productive Inventions Inc | Friction joint |
US2747467A (en) * | 1950-06-29 | 1956-05-29 | Libbey Owens Ford Glass Co | Mounting for rearview mirrors |
US3404052A (en) * | 1965-03-16 | 1968-10-01 | Adam Steven Leather Goods Inc | Method of forming a bead on a clutch bag |
US20030107810A1 (en) * | 2001-12-10 | 2003-06-12 | Greves Kenneth J. | Personal reflector |
ITUB20153198A1 (en) * | 2015-08-24 | 2017-02-24 | Galvolux Sa | DOUBLE SAFETY MIRROR AND METHOD OF REALIZING THE SAME. |
EP3135482A1 (en) * | 2015-08-24 | 2017-03-01 | Galvolux SA | Double safety mirror and method of manufacturing thereof |
-
1936
- 1936-02-07 US US62842A patent/US2062646A/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2468568A (en) * | 1945-09-27 | 1949-04-26 | Safetee Glass Company | Laminated mirror |
US2684261A (en) * | 1948-05-12 | 1954-07-20 | Productive Inventions Inc | Friction joint |
US2493393A (en) * | 1948-08-02 | 1950-01-03 | Entpr Railway Equipment Co | Construction of outlet frames for hoppers |
US2747467A (en) * | 1950-06-29 | 1956-05-29 | Libbey Owens Ford Glass Co | Mounting for rearview mirrors |
US2678252A (en) * | 1953-05-08 | 1954-05-11 | Oscar R Swearingen | Toilet cabinet |
US3404052A (en) * | 1965-03-16 | 1968-10-01 | Adam Steven Leather Goods Inc | Method of forming a bead on a clutch bag |
US20030107810A1 (en) * | 2001-12-10 | 2003-06-12 | Greves Kenneth J. | Personal reflector |
US7048391B2 (en) * | 2001-12-10 | 2006-05-23 | Greves Kenneth J | Personal reflector |
ITUB20153198A1 (en) * | 2015-08-24 | 2017-02-24 | Galvolux Sa | DOUBLE SAFETY MIRROR AND METHOD OF REALIZING THE SAME. |
EP3135482A1 (en) * | 2015-08-24 | 2017-03-01 | Galvolux SA | Double safety mirror and method of manufacturing thereof |
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