‘May 3, 1932.

w‘ __|_ PANNlER, JR

1,856,928

EMBOSSING SHEET METAL

Filed Aug. 16, 1930

2_ Sheets-Sheét



1

ATTORNEY

> "

May 3, 1932-

w. J‘. PANNIER, JR

1,356,928

EMBQSSING SHEET METAL

Filed Aug. 16, 1930

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£25

2 Sheets-Sheet

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INVE'NTOR.

BY é ' vy ATTORNEY



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Patented May 3, 1932

1,856,928

UNITED STAT-es ‘P Arena‘ Y'HF‘EQE WILLIAM .3’. ‘Panama, an, or rrrrsnUnc-H, remismvami, assrsinon TO: BAN-MER BROTHERS STAMP COMPANY, or rrrrsnunsn, rnnnsvnvanm, A. CORPORATION or

PENNSYLVANIA

nnieossme SHEET METAL’ Application ?led August 16, 1930. Serial No. 475,765.

6

My invention refers to the art of-emboss of the deformed embossing-blanks bent up ing' or stamping'sheet metal or the like, and wardly and downwardly for attachment to consists of an improvement in themeans for the operatingpressmembers; ' practicing it. Fig. 8 is a similar view showing the de In the usual practice of'stamping or em formed sheet metal die ‘members'attached to

bossing tags, plates, boxes, containers, etc. of the press members inoperative relationship; sheet metal, it is customary to subject the

Fig. 9' is a'simila‘r view showing the em sheet metal blank to the action-of‘ deforming bossing‘ members thus mounted and sepa male and female- dies. These may be of rated, with- a sheet metal ‘blank between them

metal having corresponding projecting and ready for embossing;

60

recessed portions, or of individual typeme'm Fig. 10 is a similar view showing the sheet hers-and a co-acting matrix, or otherlequallly metal blank after being embossed; expensive and complicated means, whereby Fig. 11 is a vertical sectional detail view to stamp the blank conformably when sub on the line X1'—XI of Fig. ‘21, at one end

jected to pressure between such- pair' of male

and female members.

thereof;

-

65

Fig. 121 is a similar View at the opposite In my present improvement I utilize‘a pair end thereof. of sheet metal embossing dies which them Referring to the drawings, A represents 20

selves have been ?rst deformed by subjection the ‘reciprocable head in operative relation

to pressure between deforming male and ‘fe ship to-the lower stationary anvil or base male type or other equivalent means so- as to B, 'of' a'stamping or embossing machine or produce in the sheet metal coacting and inter press. Slida-bly ‘or otherwise mounted‘ in ?tting male and female character forming said members, as by tongue and groove en dies. rl3he sheet metal embossing-v dies thus gagement 2, for easy placement and removal, formed, of suitably strong and resistant are the upper coact‘ing pressing heads a: and metal, are then used, when suitably mounted, lower supporting anvil or base member as embossingelements on interposed sheet headfb. metal blanks. Both the reciprocable head a and’ the sta

75

In the drawings, showing ‘one preferred tionary head ‘6 areprovided at opposite sides

embodiment of the invention‘: with plates 3 secured by‘ screws 4 or other Fig. 1 is a perspective assembly View show wise, for the‘ purpose of con?ning between ing the several co-operating members of an them and the oppositeend faces‘of‘each head, operative installation for practicing my in the active; sheet metal male and- female em

vention;

80

bossing plates C and: B respectively, ‘con

‘ Fig. 2 is a vertical sectional View showing structed and adapted to operate in the m"an~ 85 the parts in operative relation’ when closed; ner hereinafter described’.

Fig. 3 is a perspective view of one of the

resulting embossed ‘units;

>

_

Fig. Ll is a plan view'o-f one of the em

50

Each of said sheet metal members C‘ and D is originally ‘?at, of the form shown in Fig. ‘4:, one being the counter-part of the

bossing sheet metal blanks before being sub jected to the deforming ‘operation of the ini other, with. lateral oppositely located ‘?ange members 5rad‘ap'ted to: be bent reversei‘y'i in tial ‘character developing dies ;‘ Fig. 5 is a diagrammatic‘view showing two opposite directions on: the line '6 at right such sheet ‘metal members in closed relation angles to the main middle portion C or D, asshown. , 95 ship prior to such deforming: treatment ;v Con?n-ing plates 3 are underwrit, as indi Fig.6 is a similar view ‘showing the em bossing plates as ‘deformed’, and illustrating cated at 7, providing just slu?icient clearance the maleand femalefdeforming 'die'sand' their between them and the vside faces of. heads C and D to receive, the ?anges 5? when in" action thereon; Fig. 7'is asimilar view~ showing the sides serted, the ‘plates 3- being- inwardly beveled, 1

2

1,856,928

as at 8, to facilitate and guide their en

produce the desired impression in a definite,

trance.

clear and well de?ned manner.

Flanges 5 are provided with openings 9 suitably located to register with the inter locking balls 10 mounted in sockets 11 against springs 12, which tend to normally thrust the balls outwardly, allowing them to recede when the edges of ?anges 5 are inserted, and

to spring outwardly in interlocking engage

In making the pairs of sheet metal plates C and D, the ?anges as described are bent

oppositely at right angles in the male and fe male members respectively. For the purpose of identifying the proper location of each member with respect to the other, in placing in the embossing machine, one particular cor

ment with holes 9 when the embossing plates ner of each‘?ange 5 is cut away or otherwise are inserted, as in Fig. 2. identi?ed, as by the bevel cut 17, so that the In such position the embossing plates will operatormay avoid any mistake in quickly thus be oppositely held with their inner mid adjusting any pair of such embossing plates dle ?at faces in direct bearing engagement .to the press. By such means I positively pre 15 against the heads a and b, and to be thus vent the possibility of locating the embossing maintained in continuously operative rela plates in improper relationship, thereby tionship to each other for opening and clos avoiding any danger of non-registering with ing towards and from the interposed sheet resulting mutilation or destruction. metal blank E, Fig. 9. To further ensure exact registering with For the purpose of providing a somewhat each other, the side retaining plates 8 are resilient cushion mounting for the female closed at opposite ends, as at 18, 19, beyond plate member D, I utilize a bedding or base the middle clearance space 7 for flanges 5. 13 of rubber or the like, against which the The special beveled or otherwise shaped cor~ plate D bears, so as to provide interposing ner 17 engages the end abutment 19 while 1' resistance between it and the base member 6. the remaining corners of ?anges 5 are prefer Bedding 13 is inserted in a suitable recess ably rounded, as at 20, for easy insertion in lat of head 6, and when the plate D is in the slots 7, with vertical end bearing portions interlocked position, as in Fig. 2, the female 21 engaging end abutments 18, as in Figs. sheet metal die member is thus retained dur

ing operation.

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11 and 12.

By means of the above described construc In the diagrammatic views, Figs. 5 to 10 tion, I am enabled to cheaply and quickly inclusive, I show the successive steps of the manufacture pairs of sheet metal embossing several operations. 7 . die members, each having its own individual In providing the sheet metal embossing characters or deforming projections and de plates C and D with any desired con?gura pressions, each of which pairs is capable of tion or character-forming projections and satisfactorily and efficiently embossing sev

I00

depressions, they are assembled in pairs, one eral thousand of the thin sheet metal blanks

closely against the other and subjected to acted upon. the deforming action of a male type or die I thereby avoid and save the expense of member 15 and a female type or die mem making a large number of heavy dies in the ber 16. As many of such members are used, manner now usually employed, and when either in a complete assemblage, or singly worn out, any such particular pair of em

by successive operations, as may be desired bossing plates may be readily reproduced in or preferable, so as to completely develop the same manner as above described.

the entire series of embossing characters

The advantages of the invention and its

throughout so much of the area of plates 0 adaptation to a great variety and range‘ of and D together, as will transmit to the sheet work will be readily understood and apprecie metal blanks to be operated upon, the de ated by all those familiar with the operation

60

sired embossing characters, as indicated in of embossing sheet metal. It may be adapted to a great variety of characters, letters, ?g Fig. 3. ures, or the like, and is continuously e?icient A sheet metal blank E, which may be in and operative. The invention is in no way strip form such as that illustrated in prior limited as to size, design, or other particu patent of Oscar M. Pannier No. 1,764,884, lar features as described and illustrated, and or in any other suitable form, either con may be changed or varied by the skilled nected or singly, is interposed between the mechanic in adapting it to its intended use, embossing plates C and D, with the die heads within the scope ofthe following claims. separated, as in Fig. 9. l/Vhat I claim is: p I . l/Vith the embossing plates thus made and 1. Embossing members for action on sheet mounted, and with suitable feeding mecha metal consisting of a pair of sheet metal die nism adjusted to the speed of operation of members, one having projections and the the press, one blank after another may be

other having corresponding registering de

quickly brought between the dies of the press, pressions, and quickly detachable resilient'in operated upon and then shifted for introduc terlocking means for mounting said die mem ' tion of a new blank, each of which will thus bers in operative relation to each other. '

105

1,856,928

3

'2. Embossing members for action on sheet taining devices, a pair of embossing plates. metal consisting of a pair of sheet metal die one for each head having male and female de

members, one having projections and the forming characters, and provided with ter

other having corresponding registering de minal ?anges for engagement with said re

pressions and each having a pair of attaching taining plates and devices, one of said heads ?anges, and means resiliently engaging said hit/‘ing a resisting bedding of rubber or the

flanges.

li e.

11. In combination with the stamping head metal consisting of a pair of sheet metal die of a press having a middle bearing face and members, one having projections and the retaining means at opposite sides embodying 75 other having corresponding registering de depressible holding devices, a sheet metal em pressions and each having a common charac bossing die having quickly attachable and de teristic element to ensure matching in opera tachable edge portions engageable by said 3. Embossing members for action on sheet

tive relationship.

retaining means.

12. In combination with the stationary and at. In combination with the stamping head of a press having a middle bearing face and movable members respectively of a press, transversely arranged retaining plates at op heads therefor each having retaining means posite sides, a sheet metal embossing die hav at opposite sides embodying movable hold

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?anges inserted between the head and said plates, one for each member having male and

85

ing deformed characters and rectangular ing devices, a pair of sheet metal embossing female deforming characters and provided plates. 5. In combination with a stamping head with quickly attachable and detachable edge of a press having a middle bearing face and

portions engageable by said retaining means,

transversely arranged retaining plates at op

one of said members having a resilient re

90 posite sides, a sheet metal embossing die hav sistant bedding. ing deformed characters and rectangular 13. Embossing members for action on sheet ?anges inserted between the head and said metal consisting of the combination with op plates, and means preventing endwise move— erating members, of a pair of sheet metal die members, one having projections and the ment of the die. 6. In combination with the stamping head other having corresponding registering de 95

of a press having a middle bearing face and pressions and each having quickly detach retaining plates at opposite vsides and out able resilient interlocking means for separ

35

wardly pressed locking devices, a sheet metal ible attachment to one of the operating mem embossing die having ?anges inserted be ers. In testimony whereof I hereunto a?ix my tween the head and said plates and provided with openings registering with said locking signature. WILLIAM J. PANNIER, JR. devices. 7. In combination with the stamping head of a press having a middle bearing face

40

and retaining plates at opposite sides hav

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105

ing limiting abutments, a sheet metal em

bossing die having ?anges inserted between the head and said plates and engaging said abutments. S. In combination with the stamping head of a press having a middle bearing face and

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retaining plates at opposite sides and spring mounted balls in said sides, a sheet metal em

bossing die having ?anges inserted between the head and said plates and provided with openings registering with said balls for in

115

terlocking engagement therewith. 9. In combination with the stationary and movable members respectively of a press,

heads therefor each having retaining plates at opposite sides and resiliently mounted re

taining devices, a pair of embossing plates, one for each head having male and female

deforming characters, and provided with ter minal ?anges for engagement with said re

taining plates and devices. 10. In combination with the stationary and movable members respectively of a press,

heads therefor each having retaining plates at opposite sides and resiliently mounted re

120

Embossing sheet metal

said members, as by tongue and groove en gagement 2, for easy placement and removal, are the upper coact'ing pressing heads a: and lower supporting anvil ...

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