# US 5,343,662 A · Auto glass moulding and dam

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- Number: US 5,343,662 A
- Document ID: US5343662A
- Status: Granted
- Kind: A
- Application number: 07/968,355
- Filed: 1992-10-29
- Granted: 1994-09-06
- Earliest claimed: 1992-10-29
- Inventors: Jack R. Nelson
- Web page: https://patentgrep.com/patent/US5343662A

## CPC

- B60J 10/70: specially adapted for windows or windscreens
- B60J: WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES (fastening, suspending, closing, or opening of such devices E05)

## Abstract

An extruded vinyl moulding strip for replacing the window in an automobile is provided. The strip has an "f" shaped cross section having an upper finger and a smaller finger located near the middle of the "f." The lower portion of the "F" has a foam strip adhesively adhered to the moulding strip. The foam strip allows air to contact the interior surface of a urethane bead placed on the lower portion of the "f" in order to allow the urethane to cure properly. The smaller finger operates as a guide to window replacement vis a vis the pinch weld of the window frame.

## Claims

### Claim 1

A method for securing automobile glass to a window frame of an automobile, the window frame having a pinch weld, including the steps of:
forming an elongated strip of moulding to have a cross-section with two fingers which are dimensioned to grasp the pinch weld therebetween and a lower portion extending from the fingers such that the cross-section of the moulding is F-shaped and has:
a lower portion of elongate form having a first end and a second end,
an upper finger extending substantially perpendicularly from the first end of the lower portion, and
a lower finger extending from the lower portion at a point on the lower portion between the first end and the second end of the lower portion;
locating the moulding adjacent the pinch weld with the fingers grasping the pinch weld therebetween and orienting the lower portion toward an exterior of the automobile;
positioning a porous dam adjacent the lower portion and one of the two fingers on an exterior of the pinch weld, the porous dam spaced a distance away from the pinch weld similar to a desired thickness of a urethane sealant;
placing an interior surface of the automobile glass adjacent a side of the porous dam distant from the pinch weld;
directing uncured urethane sealant between the glass and the pinch weld; and
curing the urethane sealant, including allowing air to pass through the porous dam and into contact with the urethane sealant.

### Claim 2 (depends on 1)

The method of claim 1 including the further step of connecting the glass to a surface of the porous dam opposite the pinch weld before said directing step, whereby said glass is held in place by said curing step.

### Claim 3 (depends on 2)

The method of claim 2 wherein said forming step includes forming a first of the two fingers on the exterior of the pinch weld shorter than a second of the two fingers oriented on an interior of the pinch weld, whereby contact area between the two fingers and the pinch weld is maximized while increasing a surface area of an exterior of the pinch weld which is exposed for deposition of the urethane sealant thereon.

### Claim 4

A method for securing automobile glass to a window frame of an automobile, the window frame having a pinch weld, including the steps of:
forming an elongated strip of moulding to have a cross-section with two fingers which are dimensioned to grasp the pinch weld therebetween and a lower portion extending from the fingers;
locating the moulding adjacent the pinch weld with the fingers grasping the pinch weld therebetween and orienting the lower portion toward an exterior of the automobile;
positioning a porous dam adjacent the lower portion and one of the two fingers on an exterior of the pinch weld, the porous dam spaced a distance away from the pinch weld similar to a desired thickness of a urethane sealant;
placing an interior surface of the automobile glass adjacent a side of the porous dam distant from the pinch weld;
directing uncured urethane sealant between the glass and the pinch weld;
curing the urethane sealant, including allowing air to pass through the porous dam and into contact with the urethane sealant;
connecting the glass to a surface of the porous dam opposite the pinch weld before said directing step, whereby said glass is held in place by said curing step;
wherein said forming step includes forming a first of the two fingers on the exterior of the pinch weld shorter than a second of the two fingers oriented on an interior of the pinch weld, whereby contact area between the two fingers and the pinch weld is maximized while increasing a surface area of an exterior of the pinch weld which is exposed for deposition of the urethane sealant thereon; and
forming holes in the lower portion of the moulding, whereby air can pass through the lower portion of the moulding and into contact with the porous dam, and hence into contact with the urethane sealant.

### Claim 5 (depends on 4)

The method of claim 4 wherein said forming step includes forming the lower portion to extend substantially perpendicularly away from the two fingers.

### Claim 6 (depends on 5)

The method of claim 5 wherein said forming step includes forming the lower portion of the moulding to extend a distance away from the first finger a distance similar to a desired thickness of the urethane sealant.

### Claim 7

A kit for attaching automobile glass, such as a windshield, to a window frame of an automobile, the kit allowing urethane sealant to thoroughly cure, thereby bonding the glass to a pinch weld of the frame, while preventing urethane sealant from leaking into an interior of the automobile, the kit comprising, in combination:
an elongate strip of moulding having a F-shaped cross-section and having:
a lower leg of elongate form and having a first end and a second end,
a first finger extending from a point on said lower leg between said first end and said second opposite end, and
a second finger extending substantially perpendicularly from said first end of said lower leg,
said first finger spaced from said second finger by a distance similar to a thickness of the pinch weld, such that said fingers can grasp the pinch weld with said first finger on an exterior of the pinch weld;
an elongate porous dam having a thickness similar to a desired thickness of the urethane sealant between the glass and the pinch weld, said dam having a porous structure enabling gas to pass therethrough; and
a means for attachment of said dam to said first finger of said strip.

### Claim 8 (depends on 7)

The kit of claim 7 wherein said strip includes said lower leg extending away from said fingers and from an interior of the automobile.

### Claim 9 (depends on 8)

The kit of claim 8 wherein an attachment means is provided between said dam and said glass attaching said dam to said glass, whereby said glass is fixed with relationship to said dam during curing of the urethane sealant.

### Claim 10 (depends on 9)

The kit of claim 9 wherein said lower leg extends to a point substantially adjacent to an interior surface of the glass.

### Claim 11 (depends on 10)

The kit of claim 10 wherein said first finger is shorter than said second finger, allowing the urethane sealant to have a maximized surface contact with the pinch weld while still allowing the moulding to securely grasp the pinch weld.

### Claim 12 (depends on 11)

The kit of claim 11 wherein said lower leg of said moulding extends substantially perpendicularly away from said second finger and toward the glass.

### Claim 13 (depends on 12)

The kit of claim 12 wherein both said attachment means between the glass and said dam and said attachment means between said dam and said first finger include an adhesive.

### Claim 14

A kit for attaching automobile glass, such as a windshield, to a window frame of an automobile, the kit allowing urethane sealant to thoroughly cure, thereby bonding the glass to a pinch weld of the frame, while preventing urethane sealant from leaking into an interior of the automobile, the kit comprising, in combination:
an elongate strip of moulding having a cross-section including a first finger and a second finger, said first finger spaced from said second finger by a distance similar to a thickness of the pinch weld, such that the fingers can grasp the pinch weld with said first finger on an exterior of the pinch weld;
an elongate porous dam having a thickness similar to a desired thickness of the urethane sealant between the glass and the pinch weld, said dam having a porous structure enabling gas to pass therethrough;
a means for attachment of said dam to said first finger of said strip;
wherein said strip includes a lower portion extending away from said fingers and from an interior of the automobile;
wherein an attachment means is provided between said dam and said glass attaching said dam to said glass, whereby said glass is fixed with relationship to said dam during curing of the urethane sealant;
wherein said lower portion extends to a point substantially adjacent to an interior surface of the glass;
wherein said first finger is shorter than said second finger, allowing the urethane sealant to have a maximized surface contact with the pinch weld while still allowing the moulding to securely grasp the pinch weld;
wherein said lower portion of said moulding extends substantially perpendicularly away from said second finger and toward the glass;
wherein both said attachment means between the glass and said dam and said attachment means between said dam and said first finger include an adhesive; and
wherein said lower portion includes holes therein which pass entirely therethrough allowing gas to pass therethrough, whereby the urethane sealant is provided with air for effective curing through said holes of said lower portion and through said porous dam.

### Claim 15 (depends on 14)

The kit of claim 14 wherein said first finger is oriented at an angle divergent from a line parallel to said second finger, said first finger diverging from said line to locate an end of said first finger distant from said lower portion to be closer to said second finger than an end of said first finger adjacent to said lower portion.

### Claim 16 (depends on 15)

The kit of claim 15 wherein said first finger diverges from said line parallel to said second finger at a constant angle of between five and fifteen degrees.

### Claim 17 (depends on 16)

The kit of claim 16 wherein said holes in said lower portion have a diameter not greater than one-sixteenth of one inch, whereby air is supplied to the urethane sealant for effective curing thereof while preserving a surface appearance of the lower portion as being substantially non-porous.

### Claim 18

An apparatus for fastening a glass panel to an opening defining a window frame in an automobile, the frame having a shape similar to the periphery of the glass, comprising, in combination:
a border of the frame including a pinch weld projecting inwardly toward a center of the frame,
an elongate flexible moulding having an F-shaped cross-section and having:
a lower leg of elongate form having a first end and a second opposite end,
a first finger extending from a point on said lower leg between said first end and said second opposite end, and
a second finger extending substantially perpendicularly from said first end of said lower leg,
said fingers spaced apart a distance similar to a thickness of said pinch weld and straddling said pinch weld with said first finger outside said frame and said second finger inside said frame,
a foam dam adjacent to a side of said first finger opposite said pinch weld, said foam dam having a porous structure allowing gas to pass therethrough,
said foam dam extending from said first finger to a location chosen for the glass panel, and
urethane sealant interposed between the glass panel and said pinch weld and adjacent to said foam dam;
whereby said urethane sealant receives additional air for curing through the porous structure of said foam dam, allowing more effective curing thereof.

### Claim 19 (depends on 18)

The apparatus of claim 18 wherein an attachment means is interposed between said foam dam and said first finger and between said foam dam and the glass, whereby said foam dam supports the glass without motion relative to said pinch weld during curing of said urethane sealant.

### Claim 20 (depends on 19)

The apparatus of claim 19 wherein said moulding includes said lower leg extending away from an interior of the automobile, said lower leg adjacent to a side of said dam opposite aside adjacent said urethane sealant.

### Claim 21 (depends on 20)

The apparatus of claim 20 wherein said dam is formed from polyurethane foam having a porous structure which allows gas to pass therethrough.

### Claim 22

An apparatus for fastening a glass panel to an opening defining a window frame in an automobile, the frame having a shape similar to the periphery of the glass, comprising, in combination:
a border of the frame including a pinch weld projecting inwardly toward a center of the frame,
an elongate flexible moulding having a cross-section including a first finger and a second finger spaced apart a distance similar to a thickness of said pinch weld and straddling said pinch weld with said first finger outside said frame and said second finger inside said frame,
a foam dam adjacent to a side of said first finger opposite said pinch weld, said foam dam having a porous structure allowing gas to pass therethrough, said foam dam extending from said first finger to a location chosen for the glass panel,
urethane sealant interposed between the glass panel and said pinch weld and adjacent to said foam dam;
whereby said urethane sealant receives additional air for curing through the porous structure of said foam dam, allowing more effective curing thereof;
wherein an attachment means is interposed between said foam dam and said first finger and between said foam dam and the glass, whereby said foam dam supports the glass without motion relative to said pinch weld during curing of said urethane sealant;
wherein said moulding includes a lower portion extending away from an interior of the automobile, said lower portion adjacent to a side of said dam opposite aside adjacent said urethane sealant;
wherein said dam is formed from polyurethane foam having a porous structure which allows gas to pass therethrough, and
wherein said lower portion has holes therein allowing gas to pass through said holes, through said dam, and into contact with said urethane sealant.

### Claim 23

A method for securing automobile glass to a window frame of an automobile, the window frame having a pinch weld, including the steps of:
forming an elongated strip of moulding to have a cross-section with two fingers which are dimensioned to grasp the pinch weld therebetween and an F-shaped lower portion extending from the fingers;
locating the moulding adjacent the pinch weld with the fingers grasping the pinch weld therebetween and orienting the lower portion toward an exterior of the automobile;
positioning a porous dam adjacent the lower portion and one of the two fingers on an exterior of the pinch weld, the porous dam spaced a distance away from the pinch weld similar to a desired thickness of a urethane sealant;
placing an interior surface of the automobile glass adjacent a side of the porous dam distant from the pinch weld;
directing uncured urethane sealant between the glass and the pinch weld;
curing the urethane sealant, including allowing air to pass through the porous dam and into contact with the urethane sealant; and
forming holes in the lower portion of the moulding, whereby air can pass through the lower portion of the moulding and into contact with the porous dam, and hence into contact with the urethane sealant.

### Claim 24

A kit for attaching automobile glass, such as a windshield, to a window frame of an automobile, the kit allowing urethane sealant to thoroughly cure, thereby bonding the glass to a pinch weld of the frame, while preventing urethane sealant from leaking into an interior of the automobile, the kit comprising, in combination:
an elongate strip of moulding having an F-shaped cross-section including a first finger and a second finger, said first finger spaced from said second finger by a distance similar to a thickness of the pinch weld, such that the fingers can grasp the pinch weld with said first finger on an exterior of the pinch weld in said F-shaped cross-section including a lower portion extending from said fingers;
an elongate porous dam having a thickness similar to a desired thickness of the urethane sealant between the glass and the pinch weld, said dam having a porous structure enabling gas to pass therethrough;
a means for attachment of said dam to said first finger of said strip; and
wherein said elongate strip of moulding includes holes therein which pass entirely therethrough allowing gas to pass therethrough, whereby the urethane sealant is provided with air for effective curing through said holes of said lower portion and through said porous dam.

### Claim 25

An apparatus for fastening a glass panel to an opening defining a window frame in an automobile, the frame having a shape similar to the periphery of the glass, comprising, in combination:
a border of the frame including a pinch weld projecting inwardly toward a center of the frame,
an elongate flexible moulding having an F-shaped cross-section including a first finger and a second finger spaced apart a distance similar to a thickness of said pinch weld and straddling said pinch weld with said first finger outside said frame and said second finger inside said frame, said F-shaped cross-section also including a lower portion extending from said fingers,
a foam dam adjacent to a side of said first finger opposite said pinch weld, said foam dam having a porous structure allowing gas to pass therethrough,
said foam dam extending from said first finger to a location chosen for the glass panel, and
urethane sealant interposed between the glass panel and said pinch weld and adjacent to said foam dam;
whereby said urethane sealant receives additional air for curing through the porous structure of said foam dam, allowing more effective curing thereof; and
wherein said lower portion of said F-shaped cross-section of said elongate flexible moulding has holes therein allowing gas to pass through said holes, through said dam, and into contact with said urethane sealant.

### Claim 26

A moulding for circumscribing a pinch weld which defines a border of an area that receives an automobile windshield thereon, said moulding consisting of:
an elongate strand of material having a substantially F-shaped cross-section defined by one lower leg of elongate form and having first and second opposite ends,
a pair of fingers projecting from said elongate form, one said finger located adjacent one said opposite end and another said finger located intermediate said opposite ends,
said fingers spaced to frictionally engage the pinch weld with a free end of said lower leg of elongate form cantilevered from the pinch weld.