CA1271691A - Frame routing apparatus - Google Patents
Frame routing apparatusInfo
- Publication number
- CA1271691A CA1271691A CA000607408A CA607408A CA1271691A CA 1271691 A CA1271691 A CA 1271691A CA 000607408 A CA000607408 A CA 000607408A CA 607408 A CA607408 A CA 607408A CA 1271691 A CA1271691 A CA 1271691A
- Authority
- CA
- Canada
- Prior art keywords
- stem
- router
- cross sections
- head
- axis
- 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 - Fee Related
Links
Landscapes
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
FRAME ROUTING APPARATUS
ABSTRACT OF THE DISCLOSURE
A router for cutting an L-shaped groove in elongated frame members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, the router comprising:
a) an elongated cutter stem having an axis about which the stem is rotatable, the stem having substantially parallelogram cross sections in planes normal to that axis, and b) a cutter head at the end of the stem and integral therewith, the head also having substantially parallelogram cross sections in planes normal to that axis.
ABSTRACT OF THE DISCLOSURE
A router for cutting an L-shaped groove in elongated frame members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, the router comprising:
a) an elongated cutter stem having an axis about which the stem is rotatable, the stem having substantially parallelogram cross sections in planes normal to that axis, and b) a cutter head at the end of the stem and integral therewith, the head also having substantially parallelogram cross sections in planes normal to that axis.
Description
~L27~69~L
BACKGROUND OF THE INVENTI~
This invention relates generally to production of corner brackets for holding frame parts in assembled condition.
More particularly, itconcerns apparatus to produce recesses in frame parts, which will receive a bracket to lock to such parts.
There is a continuing need ~or simple, effective, low cost and easily inserted means to hold frame parts in corner assembled condition. The prior use of staples for this purpose is objec~ionable due to need for a staple gun and lack of staple strength su~ff cient to hold the frame parts together, against relative bending displacement.
Further, there is need for simple, rugged, and easily operated means to form the above described recesses in frame members, to receive L-shape brackets.
DETAILED DE5CRIPTIO~
It is a ma~or object of the inven.ion .o provide a router for cutting an L-shape groove in elongated frame members adapted t~ ha~e their ends joined in L-shaped assembly : by an L-shaped bracket of the particular shape referred to.
Basically, the router comprises:
a) an elongated cutter stem having an axis about which the stem is rotatable the stem having subs.antially parallelogram cross sections in planes normal ~o said axis, and --2--.
~5f.~
~f~'' - ` 1 -9~
b) a cutter head at the end of the stem and integral therewith, the head also having substantially parallelogram cross sectionsin planes normal to said axis.
As will appear, the head parallelogra~ cross sections are typically larger than the stem parallelogram cross sections;
the head and stem parallelogram cross sectionstypically have substantially parallel corresponding sides; and the two sides of the stem are closer to the axis of rotation than most of the corresponding sides of the head, so that space is provided to receive cuttings as the groove is formed in each ~rame : member. Also, two sides of the head are convexly curved, as will appear.
It is a further ob~ect of the invention to provide means to rotate the router about its axis, to hold the two frame m~mbers in parallel, longitudinally elongated, laterally spaced relation, to be cut by said router head and stem as the router is displaced laterally relative to said frame member : ends presented to said router.
~hese and other objects and advantages of the invention as well as the details of an illustrati~e embodiment, will be m~re fully understood from the following specification and drawings, in which:
~; , DRAWING DES CRIPTI ON
.
Fig. 1 is a si`de elevation showing a router incorporating ~he invention;
Fig. 2 is an end view on lines 2-2 of Fig. l;
Figs 3 and 4 are sections taken on lines 3-3- and 4-4 of Fig. 1.
~ 1 69~
Fig. 5 is a perspective view showing tooling to hold two frame members to be routed by the rotated router;
Fig. 6 is an enlarged plan view of the Fig. 5 tooling;
~ig. 7 is a section taken on lines 7-7 of Fig. 6;
Fig. 8 is a perspecti~e view of one side of a lock~up ~ corner bracket;
; Fig. 9 is a perspective view of the opposite side of the Fig. 8 bracket;
Fig. 10 is a plan view showing use of the Fig. 1 bracket in retaining frame parts in assembled conditions;
Fig. 11 is a section on lines 11-11 o~ Fi~. 10;
Fig. 12 is a perspective view showing partial asser~ly of frame parts and the bracket of Fig. 8;
~ ig. 13 is a top plan view of a frame part showing a recess cut thereby to receive one leg of the Fig. 8 bracket, and Fig. 14 is a side view of the frame part of Fig. 13.
DETAI~ED DESCRIPTION
In Figs. 8 and 9 the illustrated lock-up corner bracket 10 is shown to include legs 11 and 12 that extend in planes 13 and 14 which define a corner angle ~ . The latter is typically about 90, but may vary somewhat from 90, as for example between 85 and 95~. The leg 11 has opposite sides lla and llb which are longitudinally elongated in the Z direction indicated by arrow Z, and leg 12 has opposite sides 12a and 12b ~5 which are also elong~ted in the Z direction. Plane 13 is an X-Z plan~, and plane 14 is an X-Y plane. Note inside and outside corners 15 and 16 of lég intersec~ions.
~he legs have terminal enlargements that are also
BACKGROUND OF THE INVENTI~
This invention relates generally to production of corner brackets for holding frame parts in assembled condition.
More particularly, itconcerns apparatus to produce recesses in frame parts, which will receive a bracket to lock to such parts.
There is a continuing need ~or simple, effective, low cost and easily inserted means to hold frame parts in corner assembled condition. The prior use of staples for this purpose is objec~ionable due to need for a staple gun and lack of staple strength su~ff cient to hold the frame parts together, against relative bending displacement.
Further, there is need for simple, rugged, and easily operated means to form the above described recesses in frame members, to receive L-shape brackets.
DETAILED DE5CRIPTIO~
It is a ma~or object of the inven.ion .o provide a router for cutting an L-shape groove in elongated frame members adapted t~ ha~e their ends joined in L-shaped assembly : by an L-shaped bracket of the particular shape referred to.
Basically, the router comprises:
a) an elongated cutter stem having an axis about which the stem is rotatable the stem having subs.antially parallelogram cross sections in planes normal ~o said axis, and --2--.
~5f.~
~f~'' - ` 1 -9~
b) a cutter head at the end of the stem and integral therewith, the head also having substantially parallelogram cross sectionsin planes normal to said axis.
As will appear, the head parallelogra~ cross sections are typically larger than the stem parallelogram cross sections;
the head and stem parallelogram cross sectionstypically have substantially parallel corresponding sides; and the two sides of the stem are closer to the axis of rotation than most of the corresponding sides of the head, so that space is provided to receive cuttings as the groove is formed in each ~rame : member. Also, two sides of the head are convexly curved, as will appear.
It is a further ob~ect of the invention to provide means to rotate the router about its axis, to hold the two frame m~mbers in parallel, longitudinally elongated, laterally spaced relation, to be cut by said router head and stem as the router is displaced laterally relative to said frame member : ends presented to said router.
~hese and other objects and advantages of the invention as well as the details of an illustrati~e embodiment, will be m~re fully understood from the following specification and drawings, in which:
~; , DRAWING DES CRIPTI ON
.
Fig. 1 is a si`de elevation showing a router incorporating ~he invention;
Fig. 2 is an end view on lines 2-2 of Fig. l;
Figs 3 and 4 are sections taken on lines 3-3- and 4-4 of Fig. 1.
~ 1 69~
Fig. 5 is a perspective view showing tooling to hold two frame members to be routed by the rotated router;
Fig. 6 is an enlarged plan view of the Fig. 5 tooling;
~ig. 7 is a section taken on lines 7-7 of Fig. 6;
Fig. 8 is a perspecti~e view of one side of a lock~up ~ corner bracket;
; Fig. 9 is a perspective view of the opposite side of the Fig. 8 bracket;
Fig. 10 is a plan view showing use of the Fig. 1 bracket in retaining frame parts in assembled conditions;
Fig. 11 is a section on lines 11-11 o~ Fi~. 10;
Fig. 12 is a perspective view showing partial asser~ly of frame parts and the bracket of Fig. 8;
~ ig. 13 is a top plan view of a frame part showing a recess cut thereby to receive one leg of the Fig. 8 bracket, and Fig. 14 is a side view of the frame part of Fig. 13.
DETAI~ED DESCRIPTION
In Figs. 8 and 9 the illustrated lock-up corner bracket 10 is shown to include legs 11 and 12 that extend in planes 13 and 14 which define a corner angle ~ . The latter is typically about 90, but may vary somewhat from 90, as for example between 85 and 95~. The leg 11 has opposite sides lla and llb which are longitudinally elongated in the Z direction indicated by arrow Z, and leg 12 has opposite sides 12a and 12b ~5 which are also elong~ted in the Z direction. Plane 13 is an X-Z plan~, and plane 14 is an X-Y plane. Note inside and outside corners 15 and 16 of lég intersec~ions.
~he legs have terminal enlargements that are also
2~ 9 elongated in parallel directions (parallel to the Z-direction) of forward insertion of the legs relatively into recesses formed in the frame parts, for retaining such parts in assembled relation or conditions. In the example, the enlargements 17 and 18 are integral with legs 11 and 12, respectively, and are columnar, the planes 13 and 14 bisecting the enlargements. Note that the columnar enlargements have lengths approximately equal to the Z-direction lengths of the legs, and they have generally cylindrical outer surfaces throughout such lengths. Note also that the forwardmost end portions of the legs and enlargements are forwardly tapered (see tapers llc and lld, 12c 17a and 18a) to assist in their initial slide receptions into the corresponding.
recesses (leg and column) indicated at 19-22 in frame parts 23 and 24. Such slide reception is close in all such recesses J
whereby the frame parts are rigidly positioned, as assembled, with 45~ angled surfaces 23a and 24a held in face-to-face, sturdy interengagement. This is enhanced due to the columnar enlargements ; having cross-sectional dimensions "t1" exceeding the thickness dimension "t2" of the legs, as indicated in Fig. ~
Fig 12 shows an easy assembly mode ~made possible by the invention) wherein the leg 12 and column 18 are first inserted into the recesses 2Q and 22 in part 24; and then he leg 11 and column 17 are relatively inserted into the recesses 19 and 21 in part ~3 causing faces 23_ and 24a to slide against one another until the assembly is completed with the tops of the legs and columns flush w~th the sùrfaces 23a and 24a of the frame parts 23 and 2g~ T~e ~.atter frame parts may be those of a picture frame, with a bracket 10 easily assembled to the frame parts at each of the four corners of.the picture frame. This enables the frame parts ot be incorporated in a small kit suitable . . .
~2~Ei9~L
for mailing, so that the ultimate user can quickly assemble ~he frame using the improved corner brackets.
An additional feature is the provision of a barb or barbs on one or both legs of the bracket. See for example barbs 30 and 31 on legs 11 and 12, in Fig. 8. Such barbs integral with the bracket project outwardly from iaces lla and 12a, with forward taper, to compress the recess walls (see for example recess wall 20a in Fig. I~ during bracket insertion, and grip such walls to resist bracket~removal from the recesses (i.e. to ensure that the parts 23 and 24 will remain assembled).
Figs. 13 and 14 show details of a recess 19 prior to bracket insertion therein. Note that the recess terminates at point l9e, at a considerable spacing "t3" from the boktom 23c of the frame part, so that the structural strength of the latter is not undesirably reduced (i.e. region 23d of the frame part remains unslotted so that sections 23e and 23f are not undesirably spread apart during bracket insertion). Sections 23e and 23f each have substantially constant width along their length, for maximum strength, as ena~led by the insertion.
The frame parts may consist of wood or plastic material, and the bracket may typically consist of plastic material, as for example molded polypropylene.
As is clear from Fig. 9, the forwardmos- ,apered portions of the legs 11 and 12 and of the enlargements 17 and 18 -terminate in a flat plane which is normal to the Z-direction of bracket insertion into the frame parts.
; Referring now to Figs. 1-4, the router 100 is constructed to cut an L shape ~r~o~e ~n elongated frame members (shown fox example at 101 in tooling mounted position in ~igs. 6-8j so that such members may have their ends joined in -G-~27~
L-shaped assembly by the L-shaped bracket 10 described above in Figs. 8 to 140 The metallic router 100 comprises an elongated cutter stem 102 having an axis 103 about which the stem is rotatable, as by driver 104 driven by motor 105. Driver 104 suitably mounts the router, as via an elongated and cylindrical stem extension 102a. The stem has substantially parallelogram cross sections .
in planes normal to the axis 103, and along the stem length The router also has a head 106 integral with and at the end of the stem, the head also having substantially paralielogram cross sections in planes normal to axis 103.
Typically, the head cross sections are larger than the stem cross sections.
More specifically, and as shown, the head and stem -parallelogram cross sections have parallel correspondîng sides.As shown, the stem cross section sides 106-109 correspond to head cross section sides 110-113, sides 106 and llO being parallel (~ut side 106 being closer to axis 103 than most of sides 110), sides 107 and 111 being parallel (but side 107 being closer to axis lQ3 than most of sides 111); sides 108 and 112 being parallel and in the same plane; and sides 109 and 113 being parallel and inthe same plane As a result, chips or cuttinss fill into the spaces ad~acent sides 106 and 107, and are pulled out when the cutter is sidewardly removed from the frame mem~er. Also, sharp acute angled cutting edges are ~ormed at 140,.141, 142 and 143.
Further, and as shown, the head typically forms two generally outwardly convex outer surfaces indicated at 114 and 115, and coinciden~ with cross section sides 110 and 111, 30 respectively. Surfaces 114 and 115 merge with stem surfaces ~27~S9~
106 and 107, as at locations 114a and llSa. The head also has a flat terminal 120 remote from the stem, and in a flat plane normal to axis 103.
Referring now to Figs. 6 and 7, means is provided to rotate the router about axis 103, and :includes the router driver 104 in which the router stem extension 102a is gripped or releasably clamped. A motor 105 rotates the driver. Means is also provided to hold the two elongated frame members 101 in parallel, longitudinally elongated, ~aterally spaced relation, to be cut by the router head and stem as the router is dispalced laterally (see arrows121) in opposite directions,and relative to the frame member ends lOla presented to the router.
More specifically, the frame member holder means may advantageously and typically include a base 122 having spaced shoulders to position the frame members, and moldings associated with the base. See for example, the two elongated grooves 127a each having opposite, laterally spaced shoulders 123 and 124, between ~hich frame members 101 are fitted. Stops 125 position the ends 126 o~ the frame members. Frame member moldings are associated with the base, to hold the members in position as shown, during the routing operation. See for example the thin metallic modlings having first portions 126a extending benea~h the frame members; second position wnich curve upwardly at 126b into contact with walls 124, and upper portions extending above the members and projecting back downwardly at 126c.
In operation, the base 122 may be displacea laterally (see arrows 1~1~ to cause the router to si~ewardly penetrate the ends of ~he frame members, ~orming grooves or recesses therein as shown and des~ribed in Figs. ~ to 14. The depth of the groove is indicated at 130 in Pig. 6, and is controlled by stops 7~691 associated with the base and router driver. Thus, as the base is moved to the left in Fig. 6, stop 131 on the base engages stop 132 integral with the holder for motor 105, indicated at 133, at which time the router has sidewarly penetrated the frame member to depth 130; and as the base is moved to the right, stop 131a on the base engages stop 134 integral with the motor holder. Suitable laterally elongated guide means for guiding }ateral movement of the base is indicated at 137, in Fig. 5.
recesses (leg and column) indicated at 19-22 in frame parts 23 and 24. Such slide reception is close in all such recesses J
whereby the frame parts are rigidly positioned, as assembled, with 45~ angled surfaces 23a and 24a held in face-to-face, sturdy interengagement. This is enhanced due to the columnar enlargements ; having cross-sectional dimensions "t1" exceeding the thickness dimension "t2" of the legs, as indicated in Fig. ~
Fig 12 shows an easy assembly mode ~made possible by the invention) wherein the leg 12 and column 18 are first inserted into the recesses 2Q and 22 in part 24; and then he leg 11 and column 17 are relatively inserted into the recesses 19 and 21 in part ~3 causing faces 23_ and 24a to slide against one another until the assembly is completed with the tops of the legs and columns flush w~th the sùrfaces 23a and 24a of the frame parts 23 and 2g~ T~e ~.atter frame parts may be those of a picture frame, with a bracket 10 easily assembled to the frame parts at each of the four corners of.the picture frame. This enables the frame parts ot be incorporated in a small kit suitable . . .
~2~Ei9~L
for mailing, so that the ultimate user can quickly assemble ~he frame using the improved corner brackets.
An additional feature is the provision of a barb or barbs on one or both legs of the bracket. See for example barbs 30 and 31 on legs 11 and 12, in Fig. 8. Such barbs integral with the bracket project outwardly from iaces lla and 12a, with forward taper, to compress the recess walls (see for example recess wall 20a in Fig. I~ during bracket insertion, and grip such walls to resist bracket~removal from the recesses (i.e. to ensure that the parts 23 and 24 will remain assembled).
Figs. 13 and 14 show details of a recess 19 prior to bracket insertion therein. Note that the recess terminates at point l9e, at a considerable spacing "t3" from the boktom 23c of the frame part, so that the structural strength of the latter is not undesirably reduced (i.e. region 23d of the frame part remains unslotted so that sections 23e and 23f are not undesirably spread apart during bracket insertion). Sections 23e and 23f each have substantially constant width along their length, for maximum strength, as ena~led by the insertion.
The frame parts may consist of wood or plastic material, and the bracket may typically consist of plastic material, as for example molded polypropylene.
As is clear from Fig. 9, the forwardmos- ,apered portions of the legs 11 and 12 and of the enlargements 17 and 18 -terminate in a flat plane which is normal to the Z-direction of bracket insertion into the frame parts.
; Referring now to Figs. 1-4, the router 100 is constructed to cut an L shape ~r~o~e ~n elongated frame members (shown fox example at 101 in tooling mounted position in ~igs. 6-8j so that such members may have their ends joined in -G-~27~
L-shaped assembly by the L-shaped bracket 10 described above in Figs. 8 to 140 The metallic router 100 comprises an elongated cutter stem 102 having an axis 103 about which the stem is rotatable, as by driver 104 driven by motor 105. Driver 104 suitably mounts the router, as via an elongated and cylindrical stem extension 102a. The stem has substantially parallelogram cross sections .
in planes normal to the axis 103, and along the stem length The router also has a head 106 integral with and at the end of the stem, the head also having substantially paralielogram cross sections in planes normal to axis 103.
Typically, the head cross sections are larger than the stem cross sections.
More specifically, and as shown, the head and stem -parallelogram cross sections have parallel correspondîng sides.As shown, the stem cross section sides 106-109 correspond to head cross section sides 110-113, sides 106 and llO being parallel (~ut side 106 being closer to axis 103 than most of sides 110), sides 107 and 111 being parallel (but side 107 being closer to axis lQ3 than most of sides 111); sides 108 and 112 being parallel and in the same plane; and sides 109 and 113 being parallel and inthe same plane As a result, chips or cuttinss fill into the spaces ad~acent sides 106 and 107, and are pulled out when the cutter is sidewardly removed from the frame mem~er. Also, sharp acute angled cutting edges are ~ormed at 140,.141, 142 and 143.
Further, and as shown, the head typically forms two generally outwardly convex outer surfaces indicated at 114 and 115, and coinciden~ with cross section sides 110 and 111, 30 respectively. Surfaces 114 and 115 merge with stem surfaces ~27~S9~
106 and 107, as at locations 114a and llSa. The head also has a flat terminal 120 remote from the stem, and in a flat plane normal to axis 103.
Referring now to Figs. 6 and 7, means is provided to rotate the router about axis 103, and :includes the router driver 104 in which the router stem extension 102a is gripped or releasably clamped. A motor 105 rotates the driver. Means is also provided to hold the two elongated frame members 101 in parallel, longitudinally elongated, ~aterally spaced relation, to be cut by the router head and stem as the router is dispalced laterally (see arrows121) in opposite directions,and relative to the frame member ends lOla presented to the router.
More specifically, the frame member holder means may advantageously and typically include a base 122 having spaced shoulders to position the frame members, and moldings associated with the base. See for example, the two elongated grooves 127a each having opposite, laterally spaced shoulders 123 and 124, between ~hich frame members 101 are fitted. Stops 125 position the ends 126 o~ the frame members. Frame member moldings are associated with the base, to hold the members in position as shown, during the routing operation. See for example the thin metallic modlings having first portions 126a extending benea~h the frame members; second position wnich curve upwardly at 126b into contact with walls 124, and upper portions extending above the members and projecting back downwardly at 126c.
In operation, the base 122 may be displacea laterally (see arrows 1~1~ to cause the router to si~ewardly penetrate the ends of ~he frame members, ~orming grooves or recesses therein as shown and des~ribed in Figs. ~ to 14. The depth of the groove is indicated at 130 in Pig. 6, and is controlled by stops 7~691 associated with the base and router driver. Thus, as the base is moved to the left in Fig. 6, stop 131 on the base engages stop 132 integral with the holder for motor 105, indicated at 133, at which time the router has sidewarly penetrated the frame member to depth 130; and as the base is moved to the right, stop 131a on the base engages stop 134 integral with the motor holder. Suitable laterally elongated guide means for guiding }ateral movement of the base is indicated at 137, in Fig. 5.
Claims (9)
1. In a router for cutting an L-shaped groove in elongated frame members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, (a) an elongated cutter stem having an axis about which the stem is rotatable, the stem having polygonal cross sections in planes normal to said axis 7 and (b) a cutter head at the end of the stem and integral therewith, the head also having poly-gonal cross sections in planes normal to said axis, (c) said head forming generally outwardly convex outer surfaces and opposite generally flat sides intersecting said curved outer surfaces.
2. The router of claim 1 wherein said head cross sections define parallelogram cross sections which are larger than said stem cross sections that define parallelogram cross sections.
3. The router of claim 2 wherein said stem parallelogram cross sections and said head parallelogram cross sections have substantially parallel corresponding sides.
4. The router of claim 2 wherein said stem parallelogram cross sections have two parallel opposite sides which are coincident with two parallel opposite sides of said head cross sections.
5. The router of claim 1 wherein the stem forms opposite flat outer sides which merge with said head opposite flate outer sides.
6. The router of claim 5 wherein the head has a flat terminal remote from the stem.
7. The combination that includes:
(a) a router for cutting an L-shaped groove in two elongated frame members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, and including (i) an elongated cutter stem having an axis about which the stem is rotatable, the stem having polygonal cross sections in planes normal to said axis, and (ii) a cutter head at the end of the stem and integral therewith, the head also having polygonal cross sections in planes normal to said axis, (b) means to rotate the router about said axis extending longitudinally, (c) means to hold said two frame members in parallel, longitudinally elongated, laterally spaced relation, to be cut by said router head and stem as the router is displaced laterally relative to said frame member ends presented to said router.
(a) a router for cutting an L-shaped groove in two elongated frame members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, and including (i) an elongated cutter stem having an axis about which the stem is rotatable, the stem having polygonal cross sections in planes normal to said axis, and (ii) a cutter head at the end of the stem and integral therewith, the head also having polygonal cross sections in planes normal to said axis, (b) means to rotate the router about said axis extending longitudinally, (c) means to hold said two frame members in parallel, longitudinally elongated, laterally spaced relation, to be cut by said router head and stem as the router is displaced laterally relative to said frame member ends presented to said router.
8. The combination of claim 7 wherein said (c) means includes a base having spaced shoulders to position said frame members, and member moldings associated with said base.
9. The combination of claim 7 including stops to limit said lateral displacement of the router relative to the frame member ends, the router stem axis extending parallel to length dimensions of the two frame members at all times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000607408A CA1271691A (en) | 1984-09-04 | 1989-08-02 | Frame routing apparatus |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/646,440 US4593734A (en) | 1983-09-26 | 1984-09-04 | Frame routing apparatus |
| US646,440 | 1984-09-04 | ||
| CA000489932A CA1259890A (en) | 1984-09-04 | 1985-09-03 | Frame routing apparatus |
| CA000607408A CA1271691A (en) | 1984-09-04 | 1989-08-02 | Frame routing apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000489932A Division CA1259890A (en) | 1984-09-04 | 1985-09-03 | Frame routing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1271691A true CA1271691A (en) | 1990-07-17 |
Family
ID=25670777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000607408A Expired - Fee Related CA1271691A (en) | 1984-09-04 | 1989-08-02 | Frame routing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1271691A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630455A (en) * | 1994-05-31 | 1997-05-20 | Julien; Rejean | Groove forming apparatus and method |
-
1989
- 1989-08-02 CA CA000607408A patent/CA1271691A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630455A (en) * | 1994-05-31 | 1997-05-20 | Julien; Rejean | Groove forming apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |