Web handling apparatus

Claim 2

Web handling apparatus comprising; two transversely spaced apart members and an air supply duct having a transverse side located between said two members, said transverse side having a supply air hole therein for supplying air to an air bar attached thereto and in air receiving communication therewith, an elongated air bar having a receiving air hole which registers with said air hole in said transverse side, seal means between said aligned holes for establishing an air seal therebetween, said air bar having one bracket means at one end for engagement under one of said members, said air bar also having second bracket means at its other end for engagement on the other of said members, and detachable means for engagement with and between said second bracket means and said other member for releasably securing said other end of said air bar to said other member, whereby said seal means is brought into sealing engagement between said aligned holes and said air bar is accurately and firmly held in air receiving communication with said duct.

Claim 3

The apparatus as defined in claim 1 further characterized in that said one bracket means at one end of said air bar is constructed and arranged to be slipped under and abut against one side of said one member, and the second bracket means at the other end of said air bar is constructed and arranged to abut against a side of said other member which is opposite to said one side of said one member, whereby abutment of said second bracket means with said other member acts to bring said air bar down firmly on said supply duct.

Claim 4

The apparatus as set forth in claim 1 further characterized in that said hole in said supply duct is defined by an upwardly turned flange therearound, and said seal means abuts against said upwardly turned flange, and said air bar hole is defined by a projecting annular flange which abuts against said seal means.

Claim 5

The apparatus as set forth in claim 1 including a guide means extending across said air bar hole and which guide means is of such size and shape so as to be guidingly received in the air hole of said duct, whereby said air bar hole is guided into longitudinal alignment with said duct hole as said second bracket means is moved into engagement with said other member.

Claim 6

The apparatus as set forth in claim 4 further characterized in that said guide means has tapered sides for being guidingly inserted in said duct air hole.

Claim 7

Apparatus as set forth in claim 1 further characterized in that said detachable means comprises alignable bolt holes in said second bracket means And said other member, and also including bolt means for engagement in said bolt holes, whereby said detachable means acts to align said air bar on said duct in a transverse direction for proper registry of the air holes therebetween.

Claim 8

Web handling apparatus comprising; two transversely spaced apart members, an air supply duct having a transverse side located between said two members, said transverse side having a supply air hole therein for supplying air to an air bar attached thereto and in air receiving communication therewith, an elongated air bar having a receiving air hole which registers with said air hole in said transverse side, seal means between said aligned holes for establishing an air seal therebetween, said air bar having one bracket means at one end for engagement under one of said members, said air bar also having second bracket means at its other end for engagement on the other of said members, guide means extending across said air bar hole whereby said air bar hole is guided into longitudinal alignment with said duct hole as said second bracket means of said air bar is moved into abutment on said other member; and detachable means for engagement with and between said second bracket means and said other member, said detachable means including alignable bolt holes in said second bracket means and said other member, and also including bolt means for engagement in said bolt holes, whereby said detachable means acts to align said air bar endwise on said duct for proper registry of the air holes therebetween, whereby when said one bracket means has been engaged under said one member and said second bracket means is then moved into abutment with said other member, said seal means is brought into sealing engagement between said aligned holes and said air bar is accurately and firmly held in air receiving communication with said duct.

Claim 9

Web handling apparatus comprising; two transversely spaced apart members, an air supply duct having a transverse side located between said two members, said transverse side having a supply air hole therein for supplying air to an air bar attached thereto and in air receiving communication therewith, an elongated air bar having a receiving air hole which registers with said air hole in said transverse side, seal means between said aligned holes for establishing an air seal therebetween, said air bar having one bracket means at one end for engagement under one of said members, said air bar also having second bracket means at its other end for engagement on the other of said members, guide means extending across said air bar hole whereby said air bar hole is guided into longitudinal alignment with said duct hole as said second bracket means of said air bar is moved into abutment on said other member; and detachable means for engagement with and between said second bracket means and said other member, said detachable means including alignable bolt holes in said second bracket means and said other member, and also including bolt means for engagement in said bolt holes, whereby said detachable means acts to align said air bar endwise on said duct for proper registry of the air holes therebetween, whereby when said one bracket means has been engaged under said one member and said second bracket means is then moved into abutment with said other member, said seal means is brought into sealing engagement between said aligned holes and said air bar is accurately and firmly held in air receiving communication with said duct.

Claim 10

The apparatus as set forth in claim 7 further characterized in that said hole in said supply duct is defined by an upwardly turned flange therearound, and said air bar hole is defined by a projecting annular flange which registers with said duct flange.

Claim 11

The apparatus as set forth in claim 7 further characterized in that said guide means has tapered sides for being guidingly inserted in said hole of said duct means.

Claim 12

Web handling apparatus comprising; a support frame having two transversely spaced apart longitudinally extending side members, an air supply duct rigidly mounted in said frame and having a transverse side between said members, said transverse side having an air hole therein for supplying air to an air bar, an elongated air bar detachably secured to said duct means and having an air hole which registers with said air hole in said transverse side, gasket means between said aligned air holes for establishing an air seal therebetween, said air bar having one bracket means extending from one end and for endwise insertion under one of said members for abutment thereagainst, said air bar also having a second bracket means extending from its other end for abutment on the other of said members, and removable bolt means extending through said second bracket means and said other member for releasably securing said other end of said air bar to said other member, whereby when said one bracket means is inserted endwise under said one member, the other end of said air bar can be swung about said one end as a pivot and into abutment with said other member and in so doing said gasket means is compressed in sealing engagement between said aligned holes and consequently said air bar is accurately and firmly held in air receiving communication with said duct means but can be removed endwise therefrom when said bolt means is removed.

Claim 13

Web handling apparatus comprising; a support frame having two transversely spaced apart longitudinally extending side members, an air supply duct rigidly mounted in said frame and having a transverse side between said members, said transverse side having an air hole therein for supplying air to an air bar, an elongated air bar detachably secured to said duct means and having an air hole which registers with said air hole in said transverse side, gasket means between said aligned air holes for establishing an air seal therebetween, said air bar having one bracket means extending from one end and for endwise insertion under one of said members for abutment thereagainst, said air bar also having a second bracket means extending from its other end for abutment on the other of said members, and removable bolt means extending through said second bracket means and said other member for releasably securing said other end of said air bar to said other member, whereby when said one bracket means is inserted endwise under said one member, the other end of said air bar can be swung about said one end as a pivot and into abutment with said other member and in so doing said gasket means is compressed in sealing engagement between said aligned holes and consequently said air bar is accurately and firmly held in air receiving communication with said duct means but can be removed endwise therefrom when said bolt means is removed.

Claim 14

The apparatus as defined in claim 10 further characterized in that said one bracket means at one end of said air bar is so constructed and arranged to be inserted under and abut against one side of said one member, and the second bracket means at the other end of said air bar is constructed and arranged to abut against a side of said other member which is opposite to said one side of said one member, whereby abutment of said second bracket means with said other member acts to force said air bar down firmly on said supply duct.

Claim 15

The apparatus as set forth in claim 10 further characterized in that said supply duct hole is defined by an upwardly turned flange, and said air bar hole is defined by a projecting annular flange which registers with said duct flange.

Claim 16

The apparatus as set forth in claim 10 including a guide means extending across said air bar hole whereby said air bar hole is guided into longitudinal alignment with said duct hole as said other end of said air bar is moved into abutment with said other member.

Claim 17

The apparatus as set forth in claim 13 further characterized in that said guide means has tapered sides for being guidingly inserted in said duct hole.

Claim 18

Apparatus as set forth in claim 10 further characterized in that said detachable means comprises alignable bolt holes in said second bracket means and said other member, and also including bolt means for engagement in said bolt holes, whereby said detachable means acts to align said air bar on said duct in a transverse direction for proper registry of the air holes therebetween.

Claim 19

Web handling apparatus comprising; air supply duct means having two transversely spaced apart members, an air supply duct having a transverse side located between said members, said transverse side having a hole therein for supplying air to an air bar attached thereto and in air receiving communication therewith, an elongated air bar having a hole which registers with said hole in said transverse side, gasket means between said aligned holes for establishing an air seal therebetween, said air bar having one bracket means at one end for engagement under one of said members by being slipped endwise thereunder, said air bar also having a second bracket means at its other end for engagement on the other of said members, and detachable means for engagement with and between said second bracket means and said other member for releasably securing said other end of said air bar to said other member, whereby when said one bracket means is slipped under said one member, the other end of said air bar can be swung about said one end as a pivot and into engagement with said other member and in so doing said gasket means is compressed in sealing engagement between said aligned holes and consequently said air bar is accurately and firmly held in air receiving communication with said duct means.

Claim 20

Web handling apparatus comprising; air supply duct means having two transversely spaced apart members, an air supply duct having a transverse side located between said members, said transverse side having a hole therein for supplying air to an air bar attached thereto and in air receiving communication therewith, an elongated air bar having a hole which registers with said hole in said transverse side, gasket means between said aligned holes for establishing an air seal therebetween, said air bar having one bracket means at one end for engagement under one of said members by being slipped endwise thereunder, said air bar also having a second bracket means at its other end for engagement on the other of said members, and detachable means for engagement with and between said second bracket means and said other member for releasably securing said other end of said air bar to said other member, whereby when said one bracket means is slipped under said one member, the other end of said air bar can be swung about said one end as a pivot and into engagement with said other member and in so doing said gasket means is compressed in sealing engagement between said aligned holes and consequently said air bar is accurately and firmly held in air receiving communication with said duct means.

Claim 21

Web handling apparatus comprising; two transversely spaced apart members and an air supply duct having a transverse side located between said two members, said transverse side having a supply air hole therein for supplying air to an air bar attached thereto and in air receiving communication therewith, said supply air hole being defined by an outwardly turned flange therearound, an elongated air bar having a receiving air hole defined by a projecting annular flange which registers with said air hole in said transverse side, seal means between said flanges of said aligned holes for establishing an air seal therebetween, said air bar having one bracket means at one end and constructed and arranged to be slipped under and abut against one side of said one member, said air bar also having second bracket means at its other end and constructed and arranged to abut against a side of said other member which is opposite to said one side of said one member for engagement with and between said second bracket means and said other member for releasably securing said other end of said air bar to said other member, whereby abutment of said second bracket means with said other member acts to bring said air bar down firmly on said supply duct, and guide means extending across said air bar hole and which guide means is of such size and shape so as to be guidingly received in the air hole of said duct, whereby said air bar hole Is guided into longitudinal alignment with said duct hole as said second bracket means is moved into engagement with said other member, said seal means is brought into sealing engagement between said aligned holes and said air bar is accurately and firmly held in air receiving communication with said duct.

Claim 22

Web handling apparatus comprising; two transversely spaced apart members and an air supply duct having a transverse side located between said two members, said transverse side having a supply air hole therein for supplying air to an air bar attached thereto and in air receiving communication therewith, said supply air hole being defined by an outwardly turned flange therearound, an elongated air bar having a receiving air hole defined by a projecting annular flange which registers with said air hole in said transverse side, seal means between said flanges of said aligned holes for establishing an air seal therebetween, said air bar having one bracket means at one end and constructed and arranged to be slipped under and abut against one side of said one member, said air bar also having second bracket means at its other end and constructed and arranged to abut against a side of said other member which is opposite to said one side of said one member for engagement with and between said second bracket means and said other member for releasably securing said other end of said air bar to said other member, whereby abutment of said second bracket means with said other member acts to bring said air bar down firmly on said supply duct, and guide means extending across said air bar hole and which guide means is of such size and shape so as to be guidingly received in the air hole of said duct, whereby said air bar hole Is guided into longitudinal alignment with said duct hole as said second bracket means is moved into engagement with said other member, said seal means is brought into sealing engagement between said aligned holes and said air bar is accurately and firmly held in air receiving communication with said duct.

Claim 23

Apparatus as set forth in claim 17 further characterized in that said detachable means comprises alignable bolt holes in said second bracket means and said other member, and also including bolt means for engagement in said bolt holes, whereby said detachable means acts to align said air bar on said duct in a transverse direction for proper registry of the air holes therebetween.

Claim 24

An elongated air bar for web handling apparatus of the type having two transversely spaced apart members and an air supply duct having a transverse side including an air hole and located between said two members, said air bar having a receiving air hole intermediate its length, said air bar also having one bracket means at one end for engagement under one of said members, and said air bar also having second bracket means at its other end for engagement on the other of said members.

Claim 25

An elongated air bar for web handling apparatus of the type having two transversely spaced apart members and an air supply duct having a transverse side including an air hole and located between said two members, said air bar having a receiving air hole intermediate its length, said air bar also having one bracket means at one end for engagement under one of said members, and said air bar also having second bracket means at its other end for engagement on the other of said members.

Claim 26

The apparatus as set forth in claim 19 including a guide means extending across said air bar hole and which guide means is of such size and shape so as to be guidingly received in the air hole of said duct.

Claim 27

The apparatus as set forth in claim 20 further characterized in that said guide means has tapered sides for being guidingly inserted in said duct air hole.

Claim 28

The apparatus as set forth in claim 19 further characterized in that said hole in said air bar is defined by an outwardly turned flange therearound.